./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 65cc93bea37c503291576929a444106bffa9d5b7b84b8d294ee7e7120b60ffa5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:45:55,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:45:55,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:45:55,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:45:55,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:45:56,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:45:56,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:45:56,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:45:56,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:45:56,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:45:56,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:45:56,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:45:56,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:45:56,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:45:56,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:45:56,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:45:56,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:45:56,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:45:56,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:45:56,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:45:56,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:45:56,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:45:56,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:45:56,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:45:56,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:45:56,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:45:56,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:45:56,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:45:56,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:45:56,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:45:56,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:45:56,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:45:56,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:45:56,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:45:56,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:45:56,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:45:56,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:45:56,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:45:56,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:45:56,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:45:56,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:45:56,058 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 12:45:56,112 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:45:56,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:45:56,113 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:45:56,113 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:45:56,114 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:45:56,115 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:45:56,115 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:45:56,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:45:56,116 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:45:56,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:45:56,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:45:56,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:45:56,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:45:56,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:45:56,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:45:56,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:45:56,119 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:45:56,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:45:56,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:45:56,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:45:56,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:45:56,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:45:56,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:45:56,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:45:56,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:45:56,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:45:56,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:45:56,124 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:45:56,124 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:45:56,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:45:56,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65cc93bea37c503291576929a444106bffa9d5b7b84b8d294ee7e7120b60ffa5 [2022-11-16 12:45:56,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:45:56,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:45:56,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:45:56,542 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:45:56,543 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:45:56,545 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2022-11-16 12:45:56,651 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/data/3d0566185/9d3d9c4d8b63412a99c509bfe366eb21/FLAG421cf3e9b [2022-11-16 12:45:57,717 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:45:57,719 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2022-11-16 12:45:57,776 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/data/3d0566185/9d3d9c4d8b63412a99c509bfe366eb21/FLAG421cf3e9b [2022-11-16 12:45:57,799 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/data/3d0566185/9d3d9c4d8b63412a99c509bfe366eb21 [2022-11-16 12:45:57,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:45:57,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:45:57,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:45:57,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:45:57,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:45:57,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:45:57" (1/1) ... [2022-11-16 12:45:57,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ead1a11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:45:57, skipping insertion in model container [2022-11-16 12:45:57,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:45:57" (1/1) ... [2022-11-16 12:45:57,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:45:57,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:45:59,097 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i[138616,138629] [2022-11-16 12:45:59,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:45:59,210 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:45:59,573 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i[138616,138629] [2022-11-16 12:45:59,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:45:59,664 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:45:59,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:45:59 WrapperNode [2022-11-16 12:45:59,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:45:59,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:45:59,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:45:59,668 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:45:59,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:45:59" (1/1) ... [2022-11-16 12:45:59,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:45:59" (1/1) ... [2022-11-16 12:45:59,827 INFO L138 Inliner]: procedures = 161, calls = 836, calls flagged for inlining = 53, calls inlined = 28, statements flattened = 1119 [2022-11-16 12:45:59,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:45:59,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:45:59,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:45:59,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:45:59,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:45:59" (1/1) ... [2022-11-16 12:45:59,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:45:59" (1/1) ... [2022-11-16 12:45:59,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:45:59" (1/1) ... [2022-11-16 12:45:59,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:45:59" (1/1) ... [2022-11-16 12:45:59,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:45:59" (1/1) ... [2022-11-16 12:45:59,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:45:59" (1/1) ... [2022-11-16 12:45:59,960 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:45:59" (1/1) ... [2022-11-16 12:45:59,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:45:59" (1/1) ... [2022-11-16 12:45:59,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:45:59,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:45:59,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:45:59,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:45:59,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:45:59" (1/1) ... [2022-11-16 12:45:59,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:45:59,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:00,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:00,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:46:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2022-11-16 12:46:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2022-11-16 12:46:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure pf_getgeo [2022-11-16 12:46:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_getgeo [2022-11-16 12:46:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2022-11-16 12:46:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2022-11-16 12:46:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2022-11-16 12:46:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2022-11-16 12:46:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2022-11-16 12:46:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2022-11-16 12:46:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 12:46:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pf_mutex [2022-11-16 12:46:00,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pf_mutex [2022-11-16 12:46:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure pf_reset [2022-11-16 12:46:00,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_reset [2022-11-16 12:46:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:46:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2022-11-16 12:46:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2022-11-16 12:46:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure pf_wait [2022-11-16 12:46:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_wait [2022-11-16 12:46:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2022-11-16 12:46:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2022-11-16 12:46:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 12:46:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 12:46:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pf_mutex [2022-11-16 12:46:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pf_mutex [2022-11-16 12:46:00,079 INFO L130 BoogieDeclarations]: Found specification of procedure pf_check_events [2022-11-16 12:46:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_check_events [2022-11-16 12:46:00,079 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-11-16 12:46:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-11-16 12:46:00,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:46:00,080 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 12:46:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 12:46:00,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 12:46:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 12:46:00,080 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-11-16 12:46:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-11-16 12:46:00,081 INFO L130 BoogieDeclarations]: Found specification of procedure pf_req_sense [2022-11-16 12:46:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_req_sense [2022-11-16 12:46:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure pf_completion [2022-11-16 12:46:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_completion [2022-11-16 12:46:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 12:46:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-16 12:46:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-16 12:46:00,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:46:00,083 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-16 12:46:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-16 12:46:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:46:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 12:46:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure pf_atapi [2022-11-16 12:46:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_atapi [2022-11-16 12:46:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure pf_command [2022-11-16 12:46:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_command [2022-11-16 12:46:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure pf_probe [2022-11-16 12:46:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_probe [2022-11-16 12:46:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 12:46:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure pf_identify [2022-11-16 12:46:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_identify [2022-11-16 12:46:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure pf_sleep [2022-11-16 12:46:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_sleep [2022-11-16 12:46:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure pf_mode_sense [2022-11-16 12:46:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_mode_sense [2022-11-16 12:46:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2022-11-16 12:46:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2022-11-16 12:46:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:46:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 12:46:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2022-11-16 12:46:00,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2022-11-16 12:46:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2022-11-16 12:46:00,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2022-11-16 12:46:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2022-11-16 12:46:00,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2022-11-16 12:46:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-11-16 12:46:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-11-16 12:46:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2022-11-16 12:46:00,163 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2022-11-16 12:46:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure pf_lock [2022-11-16 12:46:00,163 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_lock [2022-11-16 12:46:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:46:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure xl [2022-11-16 12:46:00,164 INFO L138 BoogieDeclarations]: Found implementation of procedure xl [2022-11-16 12:46:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:46:00,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:46:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2022-11-16 12:46:00,164 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2022-11-16 12:46:00,165 INFO L130 BoogieDeclarations]: Found specification of procedure pf_ioctl [2022-11-16 12:46:00,165 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_ioctl [2022-11-16 12:46:00,720 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:46:00,724 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:46:05,182 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:46:05,230 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:46:05,230 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 12:46:05,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:46:05 BoogieIcfgContainer [2022-11-16 12:46:05,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:46:05,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:46:05,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:46:05,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:46:05,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:45:57" (1/3) ... [2022-11-16 12:46:05,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e913a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:46:05, skipping insertion in model container [2022-11-16 12:46:05,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:45:59" (2/3) ... [2022-11-16 12:46:05,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e913a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:46:05, skipping insertion in model container [2022-11-16 12:46:05,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:46:05" (3/3) ... [2022-11-16 12:46:05,246 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2022-11-16 12:46:05,265 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:46:05,265 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:46:05,375 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:46:05,381 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5ba8e437, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:46:05,381 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:46:05,390 INFO L276 IsEmpty]: Start isEmpty. Operand has 514 states, 365 states have (on average 1.3534246575342466) internal successors, (494), 379 states have internal predecessors, (494), 112 states have call successors, (112), 37 states have call predecessors, (112), 37 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2022-11-16 12:46:05,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 12:46:05,400 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:05,400 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:05,401 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:05,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:05,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1031492398, now seen corresponding path program 1 times [2022-11-16 12:46:05,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:05,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915925358] [2022-11-16 12:46:05,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:05,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:06,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:46:06,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:06,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915925358] [2022-11-16 12:46:06,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915925358] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:06,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:06,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:46:06,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794692508] [2022-11-16 12:46:06,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:06,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:46:06,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:06,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:46:06,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:46:06,123 INFO L87 Difference]: Start difference. First operand has 514 states, 365 states have (on average 1.3534246575342466) internal successors, (494), 379 states have internal predecessors, (494), 112 states have call successors, (112), 37 states have call predecessors, (112), 37 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:06,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:06,536 INFO L93 Difference]: Finished difference Result 1411 states and 2024 transitions. [2022-11-16 12:46:06,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:46:06,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-16 12:46:06,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:06,575 INFO L225 Difference]: With dead ends: 1411 [2022-11-16 12:46:06,575 INFO L226 Difference]: Without dead ends: 892 [2022-11-16 12:46:06,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:46:06,595 INFO L413 NwaCegarLoop]: 992 mSDtfsCounter, 533 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 1658 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:06,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [533 Valid, 1658 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:46:06,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2022-11-16 12:46:06,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 878. [2022-11-16 12:46:06,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 626 states have (on average 1.340255591054313) internal successors, (839), 639 states have internal predecessors, (839), 187 states have call successors, (187), 65 states have call predecessors, (187), 64 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2022-11-16 12:46:06,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1207 transitions. [2022-11-16 12:46:06,836 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1207 transitions. Word has length 16 [2022-11-16 12:46:06,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:06,837 INFO L495 AbstractCegarLoop]: Abstraction has 878 states and 1207 transitions. [2022-11-16 12:46:06,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:06,838 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1207 transitions. [2022-11-16 12:46:06,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 12:46:06,841 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:06,841 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:06,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:46:06,842 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:06,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:06,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1011464947, now seen corresponding path program 1 times [2022-11-16 12:46:06,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:06,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716567147] [2022-11-16 12:46:06,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:06,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:07,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:46:07,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:07,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716567147] [2022-11-16 12:46:07,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716567147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:07,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:07,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:46:07,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777397639] [2022-11-16 12:46:07,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:07,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:46:07,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:07,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:46:07,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:46:07,112 INFO L87 Difference]: Start difference. First operand 878 states and 1207 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:07,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:07,231 INFO L93 Difference]: Finished difference Result 1753 states and 2411 transitions. [2022-11-16 12:46:07,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:46:07,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-16 12:46:07,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:07,244 INFO L225 Difference]: With dead ends: 1753 [2022-11-16 12:46:07,244 INFO L226 Difference]: Without dead ends: 878 [2022-11-16 12:46:07,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:46:07,251 INFO L413 NwaCegarLoop]: 690 mSDtfsCounter, 681 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 681 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:07,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [681 Valid, 690 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:46:07,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2022-11-16 12:46:07,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 878. [2022-11-16 12:46:07,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 626 states have (on average 1.3370607028753994) internal successors, (837), 639 states have internal predecessors, (837), 187 states have call successors, (187), 65 states have call predecessors, (187), 64 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2022-11-16 12:46:07,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1205 transitions. [2022-11-16 12:46:07,355 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1205 transitions. Word has length 18 [2022-11-16 12:46:07,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:07,356 INFO L495 AbstractCegarLoop]: Abstraction has 878 states and 1205 transitions. [2022-11-16 12:46:07,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:07,357 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1205 transitions. [2022-11-16 12:46:07,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 12:46:07,358 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:07,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:07,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:46:07,359 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:07,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:07,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1032101177, now seen corresponding path program 1 times [2022-11-16 12:46:07,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:07,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715428045] [2022-11-16 12:46:07,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:07,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:07,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-16 12:46:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:07,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:46:07,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:07,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715428045] [2022-11-16 12:46:07,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715428045] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:07,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:07,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:46:07,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887461749] [2022-11-16 12:46:07,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:07,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:46:07,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:07,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:46:07,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:46:07,616 INFO L87 Difference]: Start difference. First operand 878 states and 1205 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:46:07,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:07,786 INFO L93 Difference]: Finished difference Result 2108 states and 2885 transitions. [2022-11-16 12:46:07,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:46:07,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-11-16 12:46:07,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:07,796 INFO L225 Difference]: With dead ends: 2108 [2022-11-16 12:46:07,797 INFO L226 Difference]: Without dead ends: 1233 [2022-11-16 12:46:07,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:46:07,807 INFO L413 NwaCegarLoop]: 1107 mSDtfsCounter, 647 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 1581 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:07,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 1581 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:46:07,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2022-11-16 12:46:07,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 1209. [2022-11-16 12:46:07,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 855 states have (on average 1.3356725146198831) internal successors, (1142), 872 states have internal predecessors, (1142), 258 states have call successors, (258), 96 states have call predecessors, (258), 95 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2022-11-16 12:46:07,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1652 transitions. [2022-11-16 12:46:07,926 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1652 transitions. Word has length 22 [2022-11-16 12:46:07,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:07,927 INFO L495 AbstractCegarLoop]: Abstraction has 1209 states and 1652 transitions. [2022-11-16 12:46:07,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:46:07,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1652 transitions. [2022-11-16 12:46:07,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 12:46:07,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:07,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:07,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:46:07,929 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:07,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:07,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1667775885, now seen corresponding path program 1 times [2022-11-16 12:46:07,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:07,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848481746] [2022-11-16 12:46:07,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:07,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:08,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:46:08,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:08,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848481746] [2022-11-16 12:46:08,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848481746] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:08,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:08,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:46:08,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991796442] [2022-11-16 12:46:08,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:08,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:46:08,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:08,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:46:08,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:46:08,100 INFO L87 Difference]: Start difference. First operand 1209 states and 1652 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:08,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:08,649 INFO L93 Difference]: Finished difference Result 2431 states and 3325 transitions. [2022-11-16 12:46:08,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:46:08,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-11-16 12:46:08,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:08,657 INFO L225 Difference]: With dead ends: 2431 [2022-11-16 12:46:08,657 INFO L226 Difference]: Without dead ends: 1225 [2022-11-16 12:46:08,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:46:08,665 INFO L413 NwaCegarLoop]: 687 mSDtfsCounter, 10 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1372 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:08,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1372 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 12:46:08,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2022-11-16 12:46:08,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1211. [2022-11-16 12:46:08,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 857 states have (on average 1.3348891481913652) internal successors, (1144), 874 states have internal predecessors, (1144), 258 states have call successors, (258), 96 states have call predecessors, (258), 95 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2022-11-16 12:46:08,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1654 transitions. [2022-11-16 12:46:08,773 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1654 transitions. Word has length 25 [2022-11-16 12:46:08,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:08,774 INFO L495 AbstractCegarLoop]: Abstraction has 1211 states and 1654 transitions. [2022-11-16 12:46:08,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:08,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1654 transitions. [2022-11-16 12:46:08,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-16 12:46:08,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:08,780 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:08,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:46:08,780 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:08,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:08,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1620879188, now seen corresponding path program 1 times [2022-11-16 12:46:08,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:08,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585458356] [2022-11-16 12:46:08,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:08,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:09,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:46:09,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:09,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585458356] [2022-11-16 12:46:09,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585458356] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:46:09,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842881704] [2022-11-16 12:46:09,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:09,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:46:09,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:09,016 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:46:09,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 12:46:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:09,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:46:09,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:46:09,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:46:09,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:46:09,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842881704] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:09,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:46:09,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-16 12:46:09,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630606373] [2022-11-16 12:46:09,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:09,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:46:09,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:09,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:46:09,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:46:09,423 INFO L87 Difference]: Start difference. First operand 1211 states and 1654 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:09,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:09,517 INFO L93 Difference]: Finished difference Result 2457 states and 3365 transitions. [2022-11-16 12:46:09,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:46:09,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-11-16 12:46:09,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:09,525 INFO L225 Difference]: With dead ends: 2457 [2022-11-16 12:46:09,525 INFO L226 Difference]: Without dead ends: 1249 [2022-11-16 12:46:09,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:46:09,530 INFO L413 NwaCegarLoop]: 703 mSDtfsCounter, 16 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1387 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:09,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1387 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:46:09,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2022-11-16 12:46:09,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1215. [2022-11-16 12:46:09,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 861 states have (on average 1.3333333333333333) internal successors, (1148), 878 states have internal predecessors, (1148), 258 states have call successors, (258), 96 states have call predecessors, (258), 95 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2022-11-16 12:46:09,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1658 transitions. [2022-11-16 12:46:09,602 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1658 transitions. Word has length 29 [2022-11-16 12:46:09,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:09,603 INFO L495 AbstractCegarLoop]: Abstraction has 1215 states and 1658 transitions. [2022-11-16 12:46:09,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:46:09,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1658 transitions. [2022-11-16 12:46:09,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-16 12:46:09,605 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:09,605 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:09,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-16 12:46:09,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:46:09,813 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:09,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:09,813 INFO L85 PathProgramCache]: Analyzing trace with hash -414518943, now seen corresponding path program 1 times [2022-11-16 12:46:09,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:09,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531936356] [2022-11-16 12:46:09,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:09,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:10,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:46:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:10,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:46:10,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:10,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531936356] [2022-11-16 12:46:10,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531936356] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:46:10,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980381267] [2022-11-16 12:46:10,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:10,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:46:10,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:10,145 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:46:10,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 12:46:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:10,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 1088 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:46:10,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:46:10,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:46:10,641 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:46:10,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980381267] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:10,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:46:10,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-16 12:46:10,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525792391] [2022-11-16 12:46:10,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:10,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:46:10,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:10,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:46:10,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:46:10,646 INFO L87 Difference]: Start difference. First operand 1215 states and 1658 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:46:10,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:10,787 INFO L93 Difference]: Finished difference Result 2731 states and 3792 transitions. [2022-11-16 12:46:10,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:46:10,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-11-16 12:46:10,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:10,798 INFO L225 Difference]: With dead ends: 2731 [2022-11-16 12:46:10,799 INFO L226 Difference]: Without dead ends: 1519 [2022-11-16 12:46:10,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:46:10,806 INFO L413 NwaCegarLoop]: 752 mSDtfsCounter, 179 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 1419 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:10,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 1419 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:46:10,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2022-11-16 12:46:10,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1247. [2022-11-16 12:46:10,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 885 states have (on average 1.335593220338983) internal successors, (1182), 902 states have internal predecessors, (1182), 266 states have call successors, (266), 96 states have call predecessors, (266), 95 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2022-11-16 12:46:10,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1708 transitions. [2022-11-16 12:46:10,919 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1708 transitions. Word has length 34 [2022-11-16 12:46:10,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:10,919 INFO L495 AbstractCegarLoop]: Abstraction has 1247 states and 1708 transitions. [2022-11-16 12:46:10,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:46:10,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1708 transitions. [2022-11-16 12:46:10,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-16 12:46:10,925 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:10,926 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:10,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:11,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:46:11,134 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:11,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:11,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1137777001, now seen corresponding path program 1 times [2022-11-16 12:46:11,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:11,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212458727] [2022-11-16 12:46:11,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:11,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:11,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:46:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:11,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:46:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:11,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:46:11,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:11,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212458727] [2022-11-16 12:46:11,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212458727] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:46:11,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862206865] [2022-11-16 12:46:11,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:11,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:46:11,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:11,427 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:46:11,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 12:46:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:11,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 1119 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:46:11,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:46:11,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 12:46:11,947 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:46:11,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862206865] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:11,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:46:11,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-16 12:46:11,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55153024] [2022-11-16 12:46:11,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:11,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:46:11,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:11,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:46:11,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:46:11,950 INFO L87 Difference]: Start difference. First operand 1247 states and 1708 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:46:12,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:12,112 INFO L93 Difference]: Finished difference Result 1269 states and 1734 transitions. [2022-11-16 12:46:12,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:46:12,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2022-11-16 12:46:12,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:12,121 INFO L225 Difference]: With dead ends: 1269 [2022-11-16 12:46:12,122 INFO L226 Difference]: Without dead ends: 1258 [2022-11-16 12:46:12,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:46:12,124 INFO L413 NwaCegarLoop]: 703 mSDtfsCounter, 686 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:12,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 716 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:46:12,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1258 states. [2022-11-16 12:46:12,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1258 to 1247. [2022-11-16 12:46:12,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 885 states have (on average 1.3344632768361582) internal successors, (1181), 902 states have internal predecessors, (1181), 266 states have call successors, (266), 96 states have call predecessors, (266), 95 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2022-11-16 12:46:12,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1707 transitions. [2022-11-16 12:46:12,225 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1707 transitions. Word has length 43 [2022-11-16 12:46:12,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:12,226 INFO L495 AbstractCegarLoop]: Abstraction has 1247 states and 1707 transitions. [2022-11-16 12:46:12,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:46:12,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1707 transitions. [2022-11-16 12:46:12,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-16 12:46:12,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:12,228 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:12,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:12,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:46:12,436 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:12,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:12,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1195035303, now seen corresponding path program 1 times [2022-11-16 12:46:12,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:12,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784166910] [2022-11-16 12:46:12,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:12,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:12,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:46:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:12,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:46:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:12,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:46:12,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:12,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784166910] [2022-11-16 12:46:12,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784166910] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:46:12,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249420480] [2022-11-16 12:46:12,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:12,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:46:12,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:12,657 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:46:12,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 12:46:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:13,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:46:13,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:46:13,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 12:46:13,242 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:46:13,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249420480] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:13,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:46:13,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-16 12:46:13,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985398156] [2022-11-16 12:46:13,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:13,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:46:13,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:13,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:46:13,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:46:13,245 INFO L87 Difference]: Start difference. First operand 1247 states and 1707 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:46:13,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:13,352 INFO L93 Difference]: Finished difference Result 1249 states and 1708 transitions. [2022-11-16 12:46:13,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:46:13,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2022-11-16 12:46:13,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:13,361 INFO L225 Difference]: With dead ends: 1249 [2022-11-16 12:46:13,362 INFO L226 Difference]: Without dead ends: 1246 [2022-11-16 12:46:13,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:46:13,364 INFO L413 NwaCegarLoop]: 688 mSDtfsCounter, 649 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:13,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 688 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:46:13,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1246 states. [2022-11-16 12:46:13,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1246 to 1246. [2022-11-16 12:46:13,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1246 states, 885 states have (on average 1.3333333333333333) internal successors, (1180), 901 states have internal predecessors, (1180), 265 states have call successors, (265), 96 states have call predecessors, (265), 95 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2022-11-16 12:46:13,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1246 states and 1705 transitions. [2022-11-16 12:46:13,463 INFO L78 Accepts]: Start accepts. Automaton has 1246 states and 1705 transitions. Word has length 43 [2022-11-16 12:46:13,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:13,464 INFO L495 AbstractCegarLoop]: Abstraction has 1246 states and 1705 transitions. [2022-11-16 12:46:13,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:46:13,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1705 transitions. [2022-11-16 12:46:13,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-16 12:46:13,465 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:13,465 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:13,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:13,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-16 12:46:13,674 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:13,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:13,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1608912164, now seen corresponding path program 1 times [2022-11-16 12:46:13,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:13,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823834854] [2022-11-16 12:46:13,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:13,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:13,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:46:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:13,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:46:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:13,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:46:13,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:13,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823834854] [2022-11-16 12:46:13,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823834854] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:46:13,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651113828] [2022-11-16 12:46:13,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:13,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:46:13,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:13,863 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:46:13,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 12:46:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:46:14,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:46:14,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 12:46:14,319 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:46:14,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651113828] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:14,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:46:14,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-16 12:46:14,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49562383] [2022-11-16 12:46:14,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:14,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:46:14,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:14,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:46:14,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:46:14,322 INFO L87 Difference]: Start difference. First operand 1246 states and 1705 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:46:14,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:14,450 INFO L93 Difference]: Finished difference Result 1248 states and 1706 transitions. [2022-11-16 12:46:14,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:46:14,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 44 [2022-11-16 12:46:14,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:14,463 INFO L225 Difference]: With dead ends: 1248 [2022-11-16 12:46:14,463 INFO L226 Difference]: Without dead ends: 1245 [2022-11-16 12:46:14,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:46:14,467 INFO L413 NwaCegarLoop]: 686 mSDtfsCounter, 646 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:14,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [646 Valid, 686 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:46:14,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2022-11-16 12:46:14,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1245. [2022-11-16 12:46:14,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1245 states, 885 states have (on average 1.3322033898305086) internal successors, (1179), 900 states have internal predecessors, (1179), 264 states have call successors, (264), 96 states have call predecessors, (264), 95 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2022-11-16 12:46:14,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 1703 transitions. [2022-11-16 12:46:14,590 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 1703 transitions. Word has length 44 [2022-11-16 12:46:14,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:14,591 INFO L495 AbstractCegarLoop]: Abstraction has 1245 states and 1703 transitions. [2022-11-16 12:46:14,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:46:14,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1703 transitions. [2022-11-16 12:46:14,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-16 12:46:14,593 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:14,593 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:14,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:14,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:46:14,802 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:14,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:14,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1663034442, now seen corresponding path program 1 times [2022-11-16 12:46:14,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:14,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776476720] [2022-11-16 12:46:14,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:14,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:15,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:46:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:15,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:46:15,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:15,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:46:15,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:15,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776476720] [2022-11-16 12:46:15,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776476720] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:46:15,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849227965] [2022-11-16 12:46:15,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:15,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:46:15,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:15,032 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:46:15,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-16 12:46:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:15,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 1118 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:46:15,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:46:15,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 12:46:15,579 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:46:15,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849227965] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:15,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:46:15,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-16 12:46:15,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220818365] [2022-11-16 12:46:15,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:15,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:46:15,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:15,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:46:15,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:46:15,582 INFO L87 Difference]: Start difference. First operand 1245 states and 1703 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:46:15,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:15,704 INFO L93 Difference]: Finished difference Result 1247 states and 1704 transitions. [2022-11-16 12:46:15,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:46:15,705 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 45 [2022-11-16 12:46:15,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:15,713 INFO L225 Difference]: With dead ends: 1247 [2022-11-16 12:46:15,713 INFO L226 Difference]: Without dead ends: 1244 [2022-11-16 12:46:15,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:46:15,716 INFO L413 NwaCegarLoop]: 684 mSDtfsCounter, 643 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:15,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 684 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:46:15,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2022-11-16 12:46:15,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1244. [2022-11-16 12:46:15,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1244 states, 885 states have (on average 1.3310734463276837) internal successors, (1178), 899 states have internal predecessors, (1178), 263 states have call successors, (263), 96 states have call predecessors, (263), 95 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2022-11-16 12:46:15,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 1701 transitions. [2022-11-16 12:46:15,852 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 1701 transitions. Word has length 45 [2022-11-16 12:46:15,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:15,852 INFO L495 AbstractCegarLoop]: Abstraction has 1244 states and 1701 transitions. [2022-11-16 12:46:15,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:46:15,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1701 transitions. [2022-11-16 12:46:15,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-16 12:46:15,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:15,854 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:15,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:16,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-16 12:46:16,063 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:16,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:16,065 INFO L85 PathProgramCache]: Analyzing trace with hash 14168991, now seen corresponding path program 1 times [2022-11-16 12:46:16,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:16,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003773356] [2022-11-16 12:46:16,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:16,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:16,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:46:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:16,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:46:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:16,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:46:16,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:16,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003773356] [2022-11-16 12:46:16,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003773356] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:46:16,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850718645] [2022-11-16 12:46:16,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:16,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:46:16,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:16,235 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:46:16,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-16 12:46:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:16,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 1120 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:46:16,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:46:16,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 12:46:16,684 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:46:16,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850718645] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:16,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:46:16,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-16 12:46:16,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633977607] [2022-11-16 12:46:16,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:16,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:46:16,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:16,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:46:16,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:46:16,686 INFO L87 Difference]: Start difference. First operand 1244 states and 1701 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:46:16,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:16,802 INFO L93 Difference]: Finished difference Result 1448 states and 1965 transitions. [2022-11-16 12:46:16,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:46:16,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2022-11-16 12:46:16,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:16,811 INFO L225 Difference]: With dead ends: 1448 [2022-11-16 12:46:16,811 INFO L226 Difference]: Without dead ends: 1416 [2022-11-16 12:46:16,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:46:16,813 INFO L413 NwaCegarLoop]: 934 mSDtfsCounter, 578 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 1251 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:16,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 1251 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:46:16,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2022-11-16 12:46:16,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1416. [2022-11-16 12:46:16,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1416 states, 997 states have (on average 1.320962888665998) internal successors, (1317), 1011 states have internal predecessors, (1317), 305 states have call successors, (305), 114 states have call predecessors, (305), 113 states have return successors, (304), 304 states have call predecessors, (304), 304 states have call successors, (304) [2022-11-16 12:46:16,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 1926 transitions. [2022-11-16 12:46:16,986 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 1926 transitions. Word has length 46 [2022-11-16 12:46:16,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:16,986 INFO L495 AbstractCegarLoop]: Abstraction has 1416 states and 1926 transitions. [2022-11-16 12:46:16,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:46:16,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1926 transitions. [2022-11-16 12:46:16,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-16 12:46:16,989 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:16,989 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:17,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:17,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-16 12:46:17,197 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:17,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:17,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1062483702, now seen corresponding path program 1 times [2022-11-16 12:46:17,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:17,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881403199] [2022-11-16 12:46:17,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:17,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:17,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:46:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:17,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:46:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:17,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 12:46:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:17,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-16 12:46:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:17,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:46:17,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:17,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881403199] [2022-11-16 12:46:17,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881403199] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:46:17,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956481233] [2022-11-16 12:46:17,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:17,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:46:17,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:17,431 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:46:17,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-16 12:46:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:17,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 1215 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:46:17,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:46:17,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 12:46:17,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:46:17,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956481233] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:17,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:46:17,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-16 12:46:17,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717562745] [2022-11-16 12:46:17,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:17,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:46:17,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:17,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:46:17,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:46:17,965 INFO L87 Difference]: Start difference. First operand 1416 states and 1926 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 12:46:18,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:18,239 INFO L93 Difference]: Finished difference Result 3618 states and 4902 transitions. [2022-11-16 12:46:18,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:46:18,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 64 [2022-11-16 12:46:18,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:18,258 INFO L225 Difference]: With dead ends: 3618 [2022-11-16 12:46:18,259 INFO L226 Difference]: Without dead ends: 2205 [2022-11-16 12:46:18,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:46:18,267 INFO L413 NwaCegarLoop]: 726 mSDtfsCounter, 603 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 1322 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:18,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 1322 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:46:18,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2205 states. [2022-11-16 12:46:18,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2205 to 2202. [2022-11-16 12:46:18,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2202 states, 1548 states have (on average 1.3152454780361758) internal successors, (2036), 1569 states have internal predecessors, (2036), 467 states have call successors, (467), 187 states have call predecessors, (467), 186 states have return successors, (466), 466 states have call predecessors, (466), 466 states have call successors, (466) [2022-11-16 12:46:18,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 2202 states and 2969 transitions. [2022-11-16 12:46:18,514 INFO L78 Accepts]: Start accepts. Automaton has 2202 states and 2969 transitions. Word has length 64 [2022-11-16 12:46:18,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:18,514 INFO L495 AbstractCegarLoop]: Abstraction has 2202 states and 2969 transitions. [2022-11-16 12:46:18,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 12:46:18,515 INFO L276 IsEmpty]: Start isEmpty. Operand 2202 states and 2969 transitions. [2022-11-16 12:46:18,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-16 12:46:18,522 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:18,523 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:18,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-11-16 12:46:18,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-16 12:46:18,731 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:18,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:18,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1929684962, now seen corresponding path program 1 times [2022-11-16 12:46:18,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:18,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793695748] [2022-11-16 12:46:18,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:18,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:19,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:46:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:19,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:46:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:19,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-16 12:46:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:19,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 12:46:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:19,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 12:46:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:19,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:19,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:19,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:19,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:19,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:46:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:19,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:19,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:19,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:46:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:19,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:46:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:19,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:46:19,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:19,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793695748] [2022-11-16 12:46:19,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793695748] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:46:19,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801820036] [2022-11-16 12:46:19,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:19,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:46:19,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:19,422 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:46:19,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-16 12:46:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:20,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 1772 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:46:20,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:46:20,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 12:46:20,152 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:46:20,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801820036] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:20,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:46:20,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-11-16 12:46:20,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210090254] [2022-11-16 12:46:20,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:20,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:46:20,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:20,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:46:20,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:46:20,159 INFO L87 Difference]: Start difference. First operand 2202 states and 2969 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-16 12:46:20,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:20,366 INFO L93 Difference]: Finished difference Result 4429 states and 6059 transitions. [2022-11-16 12:46:20,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:46:20,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2022-11-16 12:46:20,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:20,386 INFO L225 Difference]: With dead ends: 4429 [2022-11-16 12:46:20,386 INFO L226 Difference]: Without dead ends: 2230 [2022-11-16 12:46:20,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:46:20,401 INFO L413 NwaCegarLoop]: 655 mSDtfsCounter, 3 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1303 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:20,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1303 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:46:20,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2022-11-16 12:46:20,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 2209. [2022-11-16 12:46:20,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2209 states, 1555 states have (on average 1.3138263665594856) internal successors, (2043), 1576 states have internal predecessors, (2043), 467 states have call successors, (467), 187 states have call predecessors, (467), 186 states have return successors, (466), 466 states have call predecessors, (466), 466 states have call successors, (466) [2022-11-16 12:46:20,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2209 states to 2209 states and 2976 transitions. [2022-11-16 12:46:20,628 INFO L78 Accepts]: Start accepts. Automaton has 2209 states and 2976 transitions. Word has length 123 [2022-11-16 12:46:20,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:20,628 INFO L495 AbstractCegarLoop]: Abstraction has 2209 states and 2976 transitions. [2022-11-16 12:46:20,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-16 12:46:20,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2209 states and 2976 transitions. [2022-11-16 12:46:20,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-16 12:46:20,641 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:20,642 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:20,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:20,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-16 12:46:20,851 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:20,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:20,851 INFO L85 PathProgramCache]: Analyzing trace with hash 628138321, now seen corresponding path program 1 times [2022-11-16 12:46:20,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:20,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099584696] [2022-11-16 12:46:20,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:20,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:21,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:46:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:21,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:46:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:21,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-16 12:46:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:21,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 12:46:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:21,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 12:46:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:21,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:21,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:21,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:21,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:21,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:46:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:21,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:21,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:21,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:46:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:21,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:46:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:21,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 12:46:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:21,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:21,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:21,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:21,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:46:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:21,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:21,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:21,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:46:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:21,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:46:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:21,731 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-16 12:46:21,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:21,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099584696] [2022-11-16 12:46:21,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099584696] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:46:21,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794298972] [2022-11-16 12:46:21,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:21,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:46:21,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:21,735 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:46:21,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-16 12:46:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:22,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 2185 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:46:22,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:46:22,594 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-16 12:46:22,594 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:46:22,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1794298972] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:22,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:46:22,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-11-16 12:46:22,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405334356] [2022-11-16 12:46:22,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:22,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:46:22,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:22,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:46:22,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:46:22,598 INFO L87 Difference]: Start difference. First operand 2209 states and 2976 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-16 12:46:23,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:23,155 INFO L93 Difference]: Finished difference Result 4443 states and 6064 transitions. [2022-11-16 12:46:23,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:46:23,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 173 [2022-11-16 12:46:23,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:23,170 INFO L225 Difference]: With dead ends: 4443 [2022-11-16 12:46:23,170 INFO L226 Difference]: Without dead ends: 2237 [2022-11-16 12:46:23,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:46:23,181 INFO L413 NwaCegarLoop]: 655 mSDtfsCounter, 3 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:23,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1305 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 12:46:23,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2237 states. [2022-11-16 12:46:23,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2237 to 2216. [2022-11-16 12:46:23,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2216 states, 1562 states have (on average 1.3124199743918055) internal successors, (2050), 1583 states have internal predecessors, (2050), 467 states have call successors, (467), 187 states have call predecessors, (467), 186 states have return successors, (466), 466 states have call predecessors, (466), 466 states have call successors, (466) [2022-11-16 12:46:23,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 2983 transitions. [2022-11-16 12:46:23,372 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 2983 transitions. Word has length 173 [2022-11-16 12:46:23,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:23,373 INFO L495 AbstractCegarLoop]: Abstraction has 2216 states and 2983 transitions. [2022-11-16 12:46:23,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-16 12:46:23,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2983 transitions. [2022-11-16 12:46:23,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-16 12:46:23,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:23,385 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:23,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:23,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-16 12:46:23,596 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:23,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:23,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1060805421, now seen corresponding path program 1 times [2022-11-16 12:46:23,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:23,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934264608] [2022-11-16 12:46:23,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:23,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:23,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:46:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:23,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:46:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:23,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-16 12:46:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:23,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 12:46:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:24,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 12:46:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:24,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:24,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:24,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:24,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:24,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:46:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:24,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:24,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:24,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:46:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:24,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:46:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:24,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 12:46:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:24,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:24,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:24,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:24,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:46:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:24,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:24,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:24,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:46:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:24,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:46:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:24,541 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-16 12:46:24,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:24,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934264608] [2022-11-16 12:46:24,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934264608] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:46:24,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222742888] [2022-11-16 12:46:24,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:24,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:46:24,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:24,545 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:46:24,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-16 12:46:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:25,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 2182 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:46:25,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:46:25,437 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-16 12:46:25,441 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:46:25,705 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-16 12:46:25,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222742888] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:46:25,705 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:46:25,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2022-11-16 12:46:25,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672279193] [2022-11-16 12:46:25,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:46:25,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 12:46:25,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:25,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 12:46:25,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:46:25,708 INFO L87 Difference]: Start difference. First operand 2216 states and 2983 transitions. Second operand has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 9 states have internal predecessors, (170), 2 states have call successors, (42), 4 states have call predecessors, (42), 3 states have return successors, (40), 3 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-16 12:46:49,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:49,792 INFO L93 Difference]: Finished difference Result 4613 states and 6348 transitions. [2022-11-16 12:46:49,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 12:46:49,793 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 9 states have internal predecessors, (170), 2 states have call successors, (42), 4 states have call predecessors, (42), 3 states have return successors, (40), 3 states have call predecessors, (40), 2 states have call successors, (40) Word has length 173 [2022-11-16 12:46:49,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:49,810 INFO L225 Difference]: With dead ends: 4613 [2022-11-16 12:46:49,811 INFO L226 Difference]: Without dead ends: 2400 [2022-11-16 12:46:49,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2022-11-16 12:46:49,822 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 530 mSDsluCounter, 1950 mSDsCounter, 0 mSdLazyCounter, 4367 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 2191 SdHoareTripleChecker+Invalid, 4626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 4367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.6s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:49,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 2191 Invalid, 4626 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [259 Valid, 4367 Invalid, 0 Unknown, 0 Unchecked, 23.6s Time] [2022-11-16 12:46:49,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2400 states. [2022-11-16 12:46:50,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2400 to 2316. [2022-11-16 12:46:50,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2316 states, 1655 states have (on average 1.311178247734139) internal successors, (2170), 1676 states have internal predecessors, (2170), 467 states have call successors, (467), 187 states have call predecessors, (467), 193 states have return successors, (494), 473 states have call predecessors, (494), 466 states have call successors, (494) [2022-11-16 12:46:50,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2316 states to 2316 states and 3131 transitions. [2022-11-16 12:46:50,160 INFO L78 Accepts]: Start accepts. Automaton has 2316 states and 3131 transitions. Word has length 173 [2022-11-16 12:46:50,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:50,160 INFO L495 AbstractCegarLoop]: Abstraction has 2316 states and 3131 transitions. [2022-11-16 12:46:50,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 9 states have internal predecessors, (170), 2 states have call successors, (42), 4 states have call predecessors, (42), 3 states have return successors, (40), 3 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-16 12:46:50,161 INFO L276 IsEmpty]: Start isEmpty. Operand 2316 states and 3131 transitions. [2022-11-16 12:46:50,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-11-16 12:46:50,168 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:50,168 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:50,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:50,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:46:50,379 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:50,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:50,380 INFO L85 PathProgramCache]: Analyzing trace with hash -210538738, now seen corresponding path program 1 times [2022-11-16 12:46:50,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:50,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853594542] [2022-11-16 12:46:50,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:50,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:50,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:46:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:50,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 12:46:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:50,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 12:46:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:50,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:46:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:50,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 12:46:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:46:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:46:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:46:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:46:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 12:46:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 12:46:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-16 12:46:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-16 12:46:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:46:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:46:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:46:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 12:46:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-16 12:46:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 12:46:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-16 12:46:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:51,805 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-11-16 12:46:51,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:51,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853594542] [2022-11-16 12:46:51,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853594542] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:46:51,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82848581] [2022-11-16 12:46:51,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:51,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:46:51,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:51,808 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:46:51,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-16 12:46:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:52,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 2665 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:46:52,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:46:52,912 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2022-11-16 12:46:52,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:46:53,458 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2022-11-16 12:46:53,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82848581] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:46:53,459 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:46:53,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2022-11-16 12:46:53,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459950994] [2022-11-16 12:46:53,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:46:53,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 12:46:53,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:53,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 12:46:53,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:46:53,467 INFO L87 Difference]: Start difference. First operand 2316 states and 3131 transitions. Second operand has 12 states, 12 states have (on average 16.0) internal successors, (192), 9 states have internal predecessors, (192), 5 states have call successors, (60), 4 states have call predecessors, (60), 3 states have return successors, (58), 6 states have call predecessors, (58), 5 states have call successors, (58) [2022-11-16 12:47:12,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:47:12,529 INFO L93 Difference]: Finished difference Result 4994 states and 6939 transitions. [2022-11-16 12:47:12,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 12:47:12,530 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 16.0) internal successors, (192), 9 states have internal predecessors, (192), 5 states have call successors, (60), 4 states have call predecessors, (60), 3 states have return successors, (58), 6 states have call predecessors, (58), 5 states have call successors, (58) Word has length 251 [2022-11-16 12:47:12,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:47:12,544 INFO L225 Difference]: With dead ends: 4994 [2022-11-16 12:47:12,545 INFO L226 Difference]: Without dead ends: 2681 [2022-11-16 12:47:12,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 572 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2022-11-16 12:47:12,554 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 558 mSDsluCounter, 1885 mSDsCounter, 0 mSdLazyCounter, 4042 mSolverCounterSat, 285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 2162 SdHoareTripleChecker+Invalid, 4327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 4042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:47:12,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 2162 Invalid, 4327 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [285 Valid, 4042 Invalid, 0 Unknown, 0 Unchecked, 18.5s Time] [2022-11-16 12:47:12,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2681 states. [2022-11-16 12:47:12,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2681 to 2597. [2022-11-16 12:47:12,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2597 states, 1867 states have (on average 1.307980717728977) internal successors, (2442), 1881 states have internal predecessors, (2442), 536 states have call successors, (536), 187 states have call predecessors, (536), 193 states have return successors, (563), 549 states have call predecessors, (563), 535 states have call successors, (563) [2022-11-16 12:47:12,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2597 states to 2597 states and 3541 transitions. [2022-11-16 12:47:12,783 INFO L78 Accepts]: Start accepts. Automaton has 2597 states and 3541 transitions. Word has length 251 [2022-11-16 12:47:12,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:47:12,783 INFO L495 AbstractCegarLoop]: Abstraction has 2597 states and 3541 transitions. [2022-11-16 12:47:12,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 16.0) internal successors, (192), 9 states have internal predecessors, (192), 5 states have call successors, (60), 4 states have call predecessors, (60), 3 states have return successors, (58), 6 states have call predecessors, (58), 5 states have call successors, (58) [2022-11-16 12:47:12,784 INFO L276 IsEmpty]: Start isEmpty. Operand 2597 states and 3541 transitions. [2022-11-16 12:47:12,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-16 12:47:12,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:47:12,792 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:47:12,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-16 12:47:13,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-16 12:47:13,004 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:47:13,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:47:13,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1588250283, now seen corresponding path program 1 times [2022-11-16 12:47:13,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:47:13,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122136283] [2022-11-16 12:47:13,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:13,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:47:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:13,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:47:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:13,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 12:47:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:13,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 12:47:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:13,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 12:47:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:13,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-16 12:47:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:13,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:47:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:47:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 12:47:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-16 12:47:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 12:47:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-16 12:47:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-16 12:47:14,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:47:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:47:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 12:47:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-16 12:47:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 12:47:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-16 12:47:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:14,610 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-11-16 12:47:14,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:47:14,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122136283] [2022-11-16 12:47:14,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122136283] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:47:14,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196926188] [2022-11-16 12:47:14,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:14,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:47:14,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:47:14,613 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:47:14,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-16 12:47:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:15,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 2629 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:47:15,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:47:15,663 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-11-16 12:47:15,664 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:47:15,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196926188] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:47:15,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:47:15,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2022-11-16 12:47:15,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397605745] [2022-11-16 12:47:15,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:47:15,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:47:15,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:47:15,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:47:15,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:47:15,668 INFO L87 Difference]: Start difference. First operand 2597 states and 3541 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 12:47:15,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:47:15,957 INFO L93 Difference]: Finished difference Result 5200 states and 7091 transitions. [2022-11-16 12:47:15,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:47:15,957 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 253 [2022-11-16 12:47:15,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:47:15,989 INFO L225 Difference]: With dead ends: 5200 [2022-11-16 12:47:15,989 INFO L226 Difference]: Without dead ends: 2597 [2022-11-16 12:47:16,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-16 12:47:16,001 INFO L413 NwaCegarLoop]: 654 mSDtfsCounter, 3 mSDsluCounter, 1301 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1955 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:47:16,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1955 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:47:16,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2597 states. [2022-11-16 12:47:16,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2597 to 2597. [2022-11-16 12:47:16,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2597 states, 1867 states have (on average 1.306373861810391) internal successors, (2439), 1881 states have internal predecessors, (2439), 536 states have call successors, (536), 187 states have call predecessors, (536), 193 states have return successors, (563), 549 states have call predecessors, (563), 535 states have call successors, (563) [2022-11-16 12:47:16,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2597 states to 2597 states and 3538 transitions. [2022-11-16 12:47:16,340 INFO L78 Accepts]: Start accepts. Automaton has 2597 states and 3538 transitions. Word has length 253 [2022-11-16 12:47:16,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:47:16,341 INFO L495 AbstractCegarLoop]: Abstraction has 2597 states and 3538 transitions. [2022-11-16 12:47:16,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 12:47:16,341 INFO L276 IsEmpty]: Start isEmpty. Operand 2597 states and 3538 transitions. [2022-11-16 12:47:16,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-11-16 12:47:16,350 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:47:16,350 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:47:16,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-16 12:47:16,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-16 12:47:16,562 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:47:16,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:47:16,562 INFO L85 PathProgramCache]: Analyzing trace with hash 853437732, now seen corresponding path program 1 times [2022-11-16 12:47:16,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:47:16,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892677433] [2022-11-16 12:47:16,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:16,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:47:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:16,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:47:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:16,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 12:47:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:16,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:47:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:16,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 12:47:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:16,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 12:47:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:17,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:17,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:17,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:17,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:17,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:47:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:17,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:17,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:17,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:47:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:17,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:17,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 12:47:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:17,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:17,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-16 12:47:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:17,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:17,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 12:47:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:17,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-16 12:47:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:17,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-16 12:47:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:18,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:18,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:18,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:18,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:47:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:18,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:18,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:18,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:47:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:18,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:18,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 12:47:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:18,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:18,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-16 12:47:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:18,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:18,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 12:47:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:18,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-16 12:47:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:18,126 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-11-16 12:47:18,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:47:18,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892677433] [2022-11-16 12:47:18,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892677433] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:47:18,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049292250] [2022-11-16 12:47:18,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:18,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:47:18,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:47:18,129 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:47:18,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-16 12:47:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:19,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 2658 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:47:19,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:47:19,162 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-11-16 12:47:19,162 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:47:19,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049292250] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:47:19,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:47:19,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-11-16 12:47:19,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986611604] [2022-11-16 12:47:19,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:47:19,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:47:19,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:47:19,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:47:19,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:47:19,165 INFO L87 Difference]: Start difference. First operand 2597 states and 3538 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 12:47:19,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:47:19,426 INFO L93 Difference]: Finished difference Result 5230 states and 7130 transitions. [2022-11-16 12:47:19,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:47:19,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 257 [2022-11-16 12:47:19,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:47:19,460 INFO L225 Difference]: With dead ends: 5230 [2022-11-16 12:47:19,460 INFO L226 Difference]: Without dead ends: 2636 [2022-11-16 12:47:19,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:47:19,472 INFO L413 NwaCegarLoop]: 651 mSDtfsCounter, 9 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1293 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:47:19,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1293 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:47:19,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2636 states. [2022-11-16 12:47:19,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2636 to 2606. [2022-11-16 12:47:19,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2606 states, 1876 states have (on average 1.304904051172708) internal successors, (2448), 1890 states have internal predecessors, (2448), 536 states have call successors, (536), 187 states have call predecessors, (536), 193 states have return successors, (563), 549 states have call predecessors, (563), 535 states have call successors, (563) [2022-11-16 12:47:19,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2606 states to 2606 states and 3547 transitions. [2022-11-16 12:47:19,864 INFO L78 Accepts]: Start accepts. Automaton has 2606 states and 3547 transitions. Word has length 257 [2022-11-16 12:47:19,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:47:19,864 INFO L495 AbstractCegarLoop]: Abstraction has 2606 states and 3547 transitions. [2022-11-16 12:47:19,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 12:47:19,865 INFO L276 IsEmpty]: Start isEmpty. Operand 2606 states and 3547 transitions. [2022-11-16 12:47:19,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-11-16 12:47:19,875 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:47:19,875 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:47:19,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-16 12:47:20,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-16 12:47:20,088 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:47:20,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:47:20,089 INFO L85 PathProgramCache]: Analyzing trace with hash -734091292, now seen corresponding path program 1 times [2022-11-16 12:47:20,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:47:20,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652652626] [2022-11-16 12:47:20,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:20,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:47:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:20,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:47:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:20,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 12:47:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:20,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 12:47:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:20,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-16 12:47:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:20,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-16 12:47:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:20,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 12:47:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:47:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:47:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 12:47:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-16 12:47:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 12:47:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-16 12:47:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-16 12:47:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:47:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:47:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 12:47:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-16 12:47:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 12:47:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-16 12:47:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:21,998 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-11-16 12:47:21,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:47:21,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652652626] [2022-11-16 12:47:21,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652652626] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:47:21,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297403178] [2022-11-16 12:47:22,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:22,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:47:22,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:47:22,002 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:47:22,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-16 12:47:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:23,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 2681 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:47:23,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:47:23,262 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-11-16 12:47:23,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:47:23,825 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-11-16 12:47:23,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297403178] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:47:23,826 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:47:23,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 13 [2022-11-16 12:47:23,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054828966] [2022-11-16 12:47:23,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:47:23,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 12:47:23,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:47:23,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 12:47:23,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-16 12:47:23,829 INFO L87 Difference]: Start difference. First operand 2606 states and 3547 transitions. Second operand has 13 states, 13 states have (on average 16.23076923076923) internal successors, (211), 10 states have internal predecessors, (211), 6 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (54), 7 states have call predecessors, (54), 6 states have call successors, (54) [2022-11-16 12:47:43,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:47:43,204 INFO L93 Difference]: Finished difference Result 5726 states and 8051 transitions. [2022-11-16 12:47:43,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:47:43,205 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 16.23076923076923) internal successors, (211), 10 states have internal predecessors, (211), 6 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (54), 7 states have call predecessors, (54), 6 states have call successors, (54) Word has length 264 [2022-11-16 12:47:43,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:47:43,224 INFO L225 Difference]: With dead ends: 5726 [2022-11-16 12:47:43,225 INFO L226 Difference]: Without dead ends: 3123 [2022-11-16 12:47:43,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 617 GetRequests, 601 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2022-11-16 12:47:43,240 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 588 mSDsluCounter, 1692 mSDsCounter, 0 mSdLazyCounter, 4213 mSolverCounterSat, 329 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 1934 SdHoareTripleChecker+Invalid, 4542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 329 IncrementalHoareTripleChecker+Valid, 4213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2022-11-16 12:47:43,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [626 Valid, 1934 Invalid, 4542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [329 Valid, 4213 Invalid, 0 Unknown, 0 Unchecked, 18.9s Time] [2022-11-16 12:47:43,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3123 states. [2022-11-16 12:47:43,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3123 to 2997. [2022-11-16 12:47:43,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2997 states, 2162 states have (on average 1.301110083256244) internal successors, (2813), 2176 states have internal predecessors, (2813), 624 states have call successors, (624), 194 states have call predecessors, (624), 210 states have return successors, (675), 640 states have call predecessors, (675), 623 states have call successors, (675) [2022-11-16 12:47:43,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 2997 states and 4112 transitions. [2022-11-16 12:47:43,632 INFO L78 Accepts]: Start accepts. Automaton has 2997 states and 4112 transitions. Word has length 264 [2022-11-16 12:47:43,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:47:43,633 INFO L495 AbstractCegarLoop]: Abstraction has 2997 states and 4112 transitions. [2022-11-16 12:47:43,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 16.23076923076923) internal successors, (211), 10 states have internal predecessors, (211), 6 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (54), 7 states have call predecessors, (54), 6 states have call successors, (54) [2022-11-16 12:47:43,633 INFO L276 IsEmpty]: Start isEmpty. Operand 2997 states and 4112 transitions. [2022-11-16 12:47:43,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-11-16 12:47:43,648 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:47:43,648 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:47:43,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-16 12:47:43,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:47:43,861 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:47:43,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:47:43,862 INFO L85 PathProgramCache]: Analyzing trace with hash -2001360642, now seen corresponding path program 1 times [2022-11-16 12:47:43,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:47:43,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053536706] [2022-11-16 12:47:43,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:43,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:47:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:47:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 12:47:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 12:47:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-16 12:47:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 12:47:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 12:47:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-16 12:47:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 12:47:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-16 12:47:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:47:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:47:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:47:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:47:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:47:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:47:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:47:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:44,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:47:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:45,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:45,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:45,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:47:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:45,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:45,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:47:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:45,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:45,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:47:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:45,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:45,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:47:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:45,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:47:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:45,073 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2022-11-16 12:47:45,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:47:45,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053536706] [2022-11-16 12:47:45,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053536706] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:47:45,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006059449] [2022-11-16 12:47:45,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:45,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:47:45,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:47:45,076 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:47:45,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-16 12:47:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:46,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 2813 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:47:46,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:47:46,309 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2022-11-16 12:47:46,309 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:47:46,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006059449] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:47:46,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:47:46,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 9 [2022-11-16 12:47:46,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854494303] [2022-11-16 12:47:46,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:47:46,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:47:46,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:47:46,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:47:46,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:47:46,312 INFO L87 Difference]: Start difference. First operand 2997 states and 4112 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-16 12:47:46,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:47:46,610 INFO L93 Difference]: Finished difference Result 5997 states and 8227 transitions. [2022-11-16 12:47:46,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:47:46,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 303 [2022-11-16 12:47:46,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:47:46,627 INFO L225 Difference]: With dead ends: 5997 [2022-11-16 12:47:46,627 INFO L226 Difference]: Without dead ends: 2925 [2022-11-16 12:47:46,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:47:46,640 INFO L413 NwaCegarLoop]: 654 mSDtfsCounter, 1 mSDsluCounter, 1303 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1957 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:47:46,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1957 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:47:46,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2925 states. [2022-11-16 12:47:46,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2925 to 2907. [2022-11-16 12:47:46,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 2093 states have (on average 1.3024366937410417) internal successors, (2726), 2110 states have internal predecessors, (2726), 603 states have call successors, (603), 194 states have call predecessors, (603), 210 states have return successors, (651), 616 states have call predecessors, (651), 602 states have call successors, (651) [2022-11-16 12:47:46,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 3980 transitions. [2022-11-16 12:47:46,955 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 3980 transitions. Word has length 303 [2022-11-16 12:47:46,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:47:46,955 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 3980 transitions. [2022-11-16 12:47:46,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-16 12:47:46,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 3980 transitions. [2022-11-16 12:47:46,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-11-16 12:47:46,966 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:47:46,967 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:47:46,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-16 12:47:47,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:47:47,181 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:47:47,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:47:47,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1900421256, now seen corresponding path program 1 times [2022-11-16 12:47:47,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:47:47,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463842691] [2022-11-16 12:47:47,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:47,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:47:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:47,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 12:47:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:47,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-16 12:47:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:47,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 12:47:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:47,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 12:47:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:47,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 12:47:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:47,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-16 12:47:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:47,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:47,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:47,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:47,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:47,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:47:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:47:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:47:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:47:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:47:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:47:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:47:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:47:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:47:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:47:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:47:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:47:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:47:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:48,278 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-16 12:47:48,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:47:48,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463842691] [2022-11-16 12:47:48,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463842691] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:47:48,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221843362] [2022-11-16 12:47:48,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:48,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:47:48,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:47:48,280 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:47:48,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-16 12:47:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:49,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 2850 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:47:49,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:47:49,434 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-16 12:47:49,435 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:47:49,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221843362] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:47:49,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:47:49,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2022-11-16 12:47:49,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585014205] [2022-11-16 12:47:49,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:47:49,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:47:49,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:47:49,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:47:49,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:47:49,438 INFO L87 Difference]: Start difference. First operand 2907 states and 3980 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-16 12:47:49,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:47:49,881 INFO L93 Difference]: Finished difference Result 8358 states and 11379 transitions. [2022-11-16 12:47:49,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:47:49,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 301 [2022-11-16 12:47:49,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:47:49,908 INFO L225 Difference]: With dead ends: 8358 [2022-11-16 12:47:49,908 INFO L226 Difference]: Without dead ends: 5445 [2022-11-16 12:47:49,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:47:49,919 INFO L413 NwaCegarLoop]: 1117 mSDtfsCounter, 605 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 1742 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:47:49,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [605 Valid, 1742 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:47:49,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5445 states. [2022-11-16 12:47:50,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5445 to 4700. [2022-11-16 12:47:50,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4700 states, 3374 states have (on average 1.2954949614700653) internal successors, (4371), 3398 states have internal predecessors, (4371), 975 states have call successors, (975), 327 states have call predecessors, (975), 350 states have return successors, (1022), 998 states have call predecessors, (1022), 974 states have call successors, (1022) [2022-11-16 12:47:50,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4700 states to 4700 states and 6368 transitions. [2022-11-16 12:47:50,374 INFO L78 Accepts]: Start accepts. Automaton has 4700 states and 6368 transitions. Word has length 301 [2022-11-16 12:47:50,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:47:50,375 INFO L495 AbstractCegarLoop]: Abstraction has 4700 states and 6368 transitions. [2022-11-16 12:47:50,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-16 12:47:50,376 INFO L276 IsEmpty]: Start isEmpty. Operand 4700 states and 6368 transitions. [2022-11-16 12:47:50,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-11-16 12:47:50,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:47:50,389 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:47:50,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-16 12:47:50,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:47:50,603 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:47:50,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:47:50,603 INFO L85 PathProgramCache]: Analyzing trace with hash 2153248, now seen corresponding path program 1 times [2022-11-16 12:47:50,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:47:50,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133604285] [2022-11-16 12:47:50,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:50,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:47:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:51,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:47:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:51,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 12:47:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:51,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-16 12:47:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:51,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-16 12:47:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:51,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-16 12:47:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:51,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-16 12:47:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:51,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:47:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:47:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:47:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:47:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:47:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:47:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:47:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:47:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:47:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:47:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:47:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:47:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:47:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:52,507 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 9 proven. 22 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-11-16 12:47:52,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:47:52,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133604285] [2022-11-16 12:47:52,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133604285] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:47:52,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230369700] [2022-11-16 12:47:52,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:52,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:47:52,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:47:52,510 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:47:52,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-16 12:47:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:53,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 2999 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:47:53,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:47:53,827 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2022-11-16 12:47:53,828 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:47:53,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230369700] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:47:53,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:47:53,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-11-16 12:47:53,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959798643] [2022-11-16 12:47:53,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:47:53,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:47:53,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:47:53,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:47:53,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:47:53,831 INFO L87 Difference]: Start difference. First operand 4700 states and 6368 transitions. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-16 12:47:54,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:47:54,325 INFO L93 Difference]: Finished difference Result 10304 states and 14077 transitions. [2022-11-16 12:47:54,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:47:54,326 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 305 [2022-11-16 12:47:54,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:47:54,353 INFO L225 Difference]: With dead ends: 10304 [2022-11-16 12:47:54,354 INFO L226 Difference]: Without dead ends: 5607 [2022-11-16 12:47:54,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-11-16 12:47:54,370 INFO L413 NwaCegarLoop]: 829 mSDtfsCounter, 142 mSDsluCounter, 2311 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 3140 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:47:54,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 3140 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:47:54,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5607 states. [2022-11-16 12:47:54,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5607 to 4742. [2022-11-16 12:47:54,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4742 states, 3413 states have (on average 1.2921183709346615) internal successors, (4410), 3422 states have internal predecessors, (4410), 975 states have call successors, (975), 327 states have call predecessors, (975), 353 states have return successors, (1043), 1016 states have call predecessors, (1043), 974 states have call successors, (1043) [2022-11-16 12:47:54,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4742 states to 4742 states and 6428 transitions. [2022-11-16 12:47:54,887 INFO L78 Accepts]: Start accepts. Automaton has 4742 states and 6428 transitions. Word has length 305 [2022-11-16 12:47:54,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:47:54,888 INFO L495 AbstractCegarLoop]: Abstraction has 4742 states and 6428 transitions. [2022-11-16 12:47:54,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-16 12:47:54,888 INFO L276 IsEmpty]: Start isEmpty. Operand 4742 states and 6428 transitions. [2022-11-16 12:47:54,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2022-11-16 12:47:54,906 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:47:54,907 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:47:54,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-11-16 12:47:55,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:47:55,121 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:47:55,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:47:55,121 INFO L85 PathProgramCache]: Analyzing trace with hash 146599493, now seen corresponding path program 1 times [2022-11-16 12:47:55,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:47:55,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448710014] [2022-11-16 12:47:55,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:55,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:47:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:55,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:47:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:55,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 12:47:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:47:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:47:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:47:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 12:47:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 12:47:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:47:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:47:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:47:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:47:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:47:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:47:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:47:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:47:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:47:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:47:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:47:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:47:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:47:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-11-16 12:47:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-16 12:47:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-16 12:47:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:56,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-11-16 12:47:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:47:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:47:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:47:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:47:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:47:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:47:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:47:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:47:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:47:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:47:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:47:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:47:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:47:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:47:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:47:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:57,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1115 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2022-11-16 12:47:57,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:47:57,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448710014] [2022-11-16 12:47:57,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448710014] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:47:57,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965776411] [2022-11-16 12:47:57,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:47:57,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:47:57,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:47:57,349 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:47:57,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-16 12:47:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:47:59,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 4339 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:47:59,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:47:59,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1115 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1069 trivial. 0 not checked. [2022-11-16 12:47:59,245 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:47:59,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965776411] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:47:59,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:47:59,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-11-16 12:47:59,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121292427] [2022-11-16 12:47:59,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:47:59,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:47:59,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:47:59,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:47:59,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:47:59,249 INFO L87 Difference]: Start difference. First operand 4742 states and 6428 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-16 12:47:59,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:47:59,597 INFO L93 Difference]: Finished difference Result 9535 states and 13000 transitions. [2022-11-16 12:47:59,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:47:59,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 498 [2022-11-16 12:47:59,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:47:59,621 INFO L225 Difference]: With dead ends: 9535 [2022-11-16 12:47:59,622 INFO L226 Difference]: Without dead ends: 4796 [2022-11-16 12:47:59,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 654 GetRequests, 646 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:47:59,639 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 7 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1267 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:47:59,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1267 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:47:59,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4796 states. [2022-11-16 12:48:00,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4796 to 4754. [2022-11-16 12:48:00,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4754 states, 3425 states have (on average 1.291094890510949) internal successors, (4422), 3434 states have internal predecessors, (4422), 975 states have call successors, (975), 327 states have call predecessors, (975), 353 states have return successors, (1043), 1016 states have call predecessors, (1043), 974 states have call successors, (1043) [2022-11-16 12:48:00,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4754 states to 4754 states and 6440 transitions. [2022-11-16 12:48:00,356 INFO L78 Accepts]: Start accepts. Automaton has 4754 states and 6440 transitions. Word has length 498 [2022-11-16 12:48:00,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:48:00,357 INFO L495 AbstractCegarLoop]: Abstraction has 4754 states and 6440 transitions. [2022-11-16 12:48:00,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-16 12:48:00,358 INFO L276 IsEmpty]: Start isEmpty. Operand 4754 states and 6440 transitions. [2022-11-16 12:48:00,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2022-11-16 12:48:00,372 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:48:00,372 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:48:00,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-11-16 12:48:00,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:48:00,588 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:48:00,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:48:00,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1702644571, now seen corresponding path program 1 times [2022-11-16 12:48:00,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:48:00,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539773175] [2022-11-16 12:48:00,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:48:00,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:48:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:01,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:48:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:01,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 12:48:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:01,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:48:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:01,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:01,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:48:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:01,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:48:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:01,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:48:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:01,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:48:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:01,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:01,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-16 12:48:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:01,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-16 12:48:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:01,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:48:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:48:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:48:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:48:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:48:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:48:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:48:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:48:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:48:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:48:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:48:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:48:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:48:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:48:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:48:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-16 12:48:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-11-16 12:48:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-16 12:48:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-16 12:48:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:48:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:48:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:48:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:48:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:48:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:48:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:48:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:48:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:48:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:48:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:48:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:48:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:48:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:48:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:48:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:02,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 1144 trivial. 0 not checked. [2022-11-16 12:48:02,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:48:02,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539773175] [2022-11-16 12:48:02,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539773175] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:48:02,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049145301] [2022-11-16 12:48:02,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:48:02,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:48:02,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:48:02,950 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:48:02,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-16 12:48:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:05,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 4387 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:48:05,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:48:05,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1178 trivial. 0 not checked. [2022-11-16 12:48:05,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:48:05,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049145301] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:48:05,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:48:05,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2022-11-16 12:48:05,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895404227] [2022-11-16 12:48:05,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:48:05,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:48:05,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:48:05,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:48:05,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-16 12:48:05,090 INFO L87 Difference]: Start difference. First operand 4754 states and 6440 transitions. Second operand has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-16 12:48:05,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:48:05,448 INFO L93 Difference]: Finished difference Result 9667 states and 13180 transitions. [2022-11-16 12:48:05,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:48:05,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 509 [2022-11-16 12:48:05,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:48:05,472 INFO L225 Difference]: With dead ends: 9667 [2022-11-16 12:48:05,472 INFO L226 Difference]: Without dead ends: 4916 [2022-11-16 12:48:05,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 669 GetRequests, 660 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-16 12:48:05,489 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 24 mSDsluCounter, 1279 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 1924 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:48:05,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 1924 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:48:05,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4916 states. [2022-11-16 12:48:06,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4916 to 4766. [2022-11-16 12:48:06,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4766 states, 3437 states have (on average 1.290078556881001) internal successors, (4434), 3440 states have internal predecessors, (4434), 975 states have call successors, (975), 327 states have call predecessors, (975), 353 states have return successors, (1043), 1016 states have call predecessors, (1043), 974 states have call successors, (1043) [2022-11-16 12:48:06,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4766 states to 4766 states and 6452 transitions. [2022-11-16 12:48:06,112 INFO L78 Accepts]: Start accepts. Automaton has 4766 states and 6452 transitions. Word has length 509 [2022-11-16 12:48:06,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:48:06,112 INFO L495 AbstractCegarLoop]: Abstraction has 4766 states and 6452 transitions. [2022-11-16 12:48:06,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-16 12:48:06,113 INFO L276 IsEmpty]: Start isEmpty. Operand 4766 states and 6452 transitions. [2022-11-16 12:48:06,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2022-11-16 12:48:06,124 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:48:06,125 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 13, 13, 13, 13, 13, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:48:06,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-11-16 12:48:06,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:48:06,343 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:48:06,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:48:06,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1437597942, now seen corresponding path program 1 times [2022-11-16 12:48:06,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:48:06,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451504477] [2022-11-16 12:48:06,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:48:06,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:48:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:48:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 12:48:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:48:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:48:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:48:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:48:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 12:48:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 12:48:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-16 12:48:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:48:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:48:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:48:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:48:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:48:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:48:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:48:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:48:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:48:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:07,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:48:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:48:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:48:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:48:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:48:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:48:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:48:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-16 12:48:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-16 12:48:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-16 12:48:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-16 12:48:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:48:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:48:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:48:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:48:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:48:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:48:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:48:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:48:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:48:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:48:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:48:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:48:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:48:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:48:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:48:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:08,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1295 backedges. 2 proven. 79 refuted. 0 times theorem prover too weak. 1214 trivial. 0 not checked. [2022-11-16 12:48:08,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:48:08,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451504477] [2022-11-16 12:48:08,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451504477] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:48:08,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974441034] [2022-11-16 12:48:08,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:48:08,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:48:08,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:48:08,542 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:48:08,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-11-16 12:48:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:10,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 4441 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:48:10,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:48:10,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1295 backedges. 222 proven. 1 refuted. 0 times theorem prover too weak. 1072 trivial. 0 not checked. [2022-11-16 12:48:10,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:48:11,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1295 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1292 trivial. 0 not checked. [2022-11-16 12:48:11,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974441034] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:48:11,862 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:48:11,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2022-11-16 12:48:11,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876744095] [2022-11-16 12:48:11,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:48:11,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 12:48:11,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:48:11,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 12:48:11,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:48:11,866 INFO L87 Difference]: Start difference. First operand 4766 states and 6452 transitions. Second operand has 12 states, 12 states have (on average 19.25) internal successors, (231), 9 states have internal predecessors, (231), 6 states have call successors, (72), 5 states have call predecessors, (72), 2 states have return successors, (65), 6 states have call predecessors, (65), 6 states have call successors, (65) [2022-11-16 12:48:27,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:48:27,687 INFO L93 Difference]: Finished difference Result 10439 states and 14711 transitions. [2022-11-16 12:48:27,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 12:48:27,688 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 19.25) internal successors, (231), 9 states have internal predecessors, (231), 6 states have call successors, (72), 5 states have call predecessors, (72), 2 states have return successors, (65), 6 states have call predecessors, (65), 6 states have call successors, (65) Word has length 520 [2022-11-16 12:48:27,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:48:27,812 INFO L225 Difference]: With dead ends: 10439 [2022-11-16 12:48:27,813 INFO L226 Difference]: Without dead ends: 5676 [2022-11-16 12:48:27,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1214 GetRequests, 1196 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2022-11-16 12:48:27,834 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 805 mSDsluCounter, 1308 mSDsCounter, 0 mSdLazyCounter, 3138 mSolverCounterSat, 500 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 835 SdHoareTripleChecker+Valid, 1538 SdHoareTripleChecker+Invalid, 3638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 500 IncrementalHoareTripleChecker+Valid, 3138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:48:27,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [835 Valid, 1538 Invalid, 3638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [500 Valid, 3138 Invalid, 0 Unknown, 0 Unchecked, 15.2s Time] [2022-11-16 12:48:27,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5676 states. [2022-11-16 12:48:28,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5676 to 4952. [2022-11-16 12:48:28,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4952 states, 3587 states have (on average 1.2879843880680235) internal successors, (4620), 3590 states have internal predecessors, (4620), 1011 states have call successors, (1011), 327 states have call predecessors, (1011), 353 states have return successors, (1079), 1052 states have call predecessors, (1079), 1010 states have call successors, (1079) [2022-11-16 12:48:28,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4952 states to 4952 states and 6710 transitions. [2022-11-16 12:48:28,535 INFO L78 Accepts]: Start accepts. Automaton has 4952 states and 6710 transitions. Word has length 520 [2022-11-16 12:48:28,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:48:28,536 INFO L495 AbstractCegarLoop]: Abstraction has 4952 states and 6710 transitions. [2022-11-16 12:48:28,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 19.25) internal successors, (231), 9 states have internal predecessors, (231), 6 states have call successors, (72), 5 states have call predecessors, (72), 2 states have return successors, (65), 6 states have call predecessors, (65), 6 states have call successors, (65) [2022-11-16 12:48:28,537 INFO L276 IsEmpty]: Start isEmpty. Operand 4952 states and 6710 transitions. [2022-11-16 12:48:28,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2022-11-16 12:48:28,561 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:48:28,561 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:48:28,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-11-16 12:48:28,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-11-16 12:48:28,788 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:48:28,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:48:28,788 INFO L85 PathProgramCache]: Analyzing trace with hash 2070559626, now seen corresponding path program 1 times [2022-11-16 12:48:28,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:48:28,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425273946] [2022-11-16 12:48:28,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:48:28,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:48:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:30,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:48:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:30,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 12:48:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:30,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:48:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:30,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:30,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:48:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:30,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:48:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:30,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:48:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:30,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 12:48:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:30,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:30,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 12:48:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:30,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:30,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 12:48:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:30,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:30,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:48:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:30,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:30,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 12:48:30,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:30,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:30,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-16 12:48:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:30,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-16 12:48:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:48:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:48:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:48:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:48:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 12:48:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 12:48:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:48:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-16 12:48:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-16 12:48:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-16 12:48:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:48:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:48:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:48:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:48:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 12:48:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 12:48:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:48:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-16 12:48:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-16 12:48:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-16 12:48:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-11-16 12:48:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-11-16 12:48:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:31,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-11-16 12:48:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:48:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:48:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:48:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:48:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 12:48:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 12:48:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:48:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-16 12:48:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-16 12:48:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-16 12:48:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:48:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:48:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:48:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:48:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 12:48:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 12:48:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:48:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-16 12:48:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-16 12:48:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:32,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2247 backedges. 2 proven. 108 refuted. 0 times theorem prover too weak. 2137 trivial. 0 not checked. [2022-11-16 12:48:32,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:48:32,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425273946] [2022-11-16 12:48:32,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425273946] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:48:32,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886326470] [2022-11-16 12:48:32,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:48:32,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:48:32,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:48:32,426 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:48:32,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-11-16 12:48:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:34,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 4901 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 12:48:34,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:48:34,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2247 backedges. 626 proven. 34 refuted. 0 times theorem prover too weak. 1587 trivial. 0 not checked. [2022-11-16 12:48:34,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:48:36,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2247 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 2211 trivial. 0 not checked. [2022-11-16 12:48:36,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886326470] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:48:36,287 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:48:36,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 13 [2022-11-16 12:48:36,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33981973] [2022-11-16 12:48:36,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:48:36,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 12:48:36,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:48:36,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 12:48:36,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-16 12:48:36,292 INFO L87 Difference]: Start difference. First operand 4952 states and 6710 transitions. Second operand has 13 states, 13 states have (on average 19.846153846153847) internal successors, (258), 10 states have internal predecessors, (258), 8 states have call successors, (78), 5 states have call predecessors, (78), 3 states have return successors, (73), 8 states have call predecessors, (73), 8 states have call successors, (73) [2022-11-16 12:48:55,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:48:55,792 INFO L93 Difference]: Finished difference Result 10235 states and 14135 transitions. [2022-11-16 12:48:55,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:48:55,793 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 19.846153846153847) internal successors, (258), 10 states have internal predecessors, (258), 8 states have call successors, (78), 5 states have call predecessors, (78), 3 states have return successors, (73), 8 states have call predecessors, (73), 8 states have call successors, (73) Word has length 621 [2022-11-16 12:48:55,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:48:55,821 INFO L225 Difference]: With dead ends: 10235 [2022-11-16 12:48:55,821 INFO L226 Difference]: Without dead ends: 5154 [2022-11-16 12:48:55,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1459 GetRequests, 1433 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2022-11-16 12:48:55,842 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 643 mSDsluCounter, 1440 mSDsCounter, 0 mSdLazyCounter, 3286 mSolverCounterSat, 317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 1670 SdHoareTripleChecker+Invalid, 3603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 3286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2022-11-16 12:48:55,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [673 Valid, 1670 Invalid, 3603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 3286 Invalid, 0 Unknown, 0 Unchecked, 18.7s Time] [2022-11-16 12:48:55,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5154 states. [2022-11-16 12:48:56,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5154 to 5006. [2022-11-16 12:48:56,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5006 states, 3629 states have (on average 1.281344723064205) internal successors, (4650), 3632 states have internal predecessors, (4650), 1023 states have call successors, (1023), 327 states have call predecessors, (1023), 353 states have return successors, (1091), 1064 states have call predecessors, (1091), 1022 states have call successors, (1091) [2022-11-16 12:48:56,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5006 states to 5006 states and 6764 transitions. [2022-11-16 12:48:56,428 INFO L78 Accepts]: Start accepts. Automaton has 5006 states and 6764 transitions. Word has length 621 [2022-11-16 12:48:56,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:48:56,429 INFO L495 AbstractCegarLoop]: Abstraction has 5006 states and 6764 transitions. [2022-11-16 12:48:56,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 19.846153846153847) internal successors, (258), 10 states have internal predecessors, (258), 8 states have call successors, (78), 5 states have call predecessors, (78), 3 states have return successors, (73), 8 states have call predecessors, (73), 8 states have call successors, (73) [2022-11-16 12:48:56,430 INFO L276 IsEmpty]: Start isEmpty. Operand 5006 states and 6764 transitions. [2022-11-16 12:48:56,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2022-11-16 12:48:56,443 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:48:56,444 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 13, 13, 13, 13, 13, 12, 12, 12, 9, 9, 9, 9, 9, 8, 8, 8, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:48:56,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-11-16 12:48:56,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-11-16 12:48:56,659 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:48:56,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:48:56,659 INFO L85 PathProgramCache]: Analyzing trace with hash 868147862, now seen corresponding path program 1 times [2022-11-16 12:48:56,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:48:56,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510260551] [2022-11-16 12:48:56,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:48:56,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:48:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:57,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:48:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:57,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 12:48:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:58,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:48:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:58,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:58,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:48:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:58,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:48:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:58,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:48:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:58,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 12:48:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:58,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:58,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 12:48:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:58,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:58,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 12:48:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:58,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:58,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:48:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:58,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:58,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 12:48:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:58,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:58,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 12:48:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:58,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:58,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 12:48:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:58,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-16 12:48:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:58,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:48:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:48:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:48:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:48:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:48:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 12:48:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 12:48:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:48:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 12:48:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 12:48:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:48:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:48:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:48:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:48:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 12:48:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 12:48:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:48:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:48:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 12:48:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-16 12:48:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-11-16 12:48:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-11-16 12:48:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-11-16 12:48:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:48:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:48:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:48:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:48:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:48:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 12:48:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 12:48:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:48:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 12:48:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 12:48:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:48:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:48:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:48:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:48:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:48:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:48:59,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 12:48:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:00,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:00,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 12:49:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:00,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:00,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:49:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:00,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:00,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:49:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:00,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 12:49:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:00,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1999 backedges. 24 proven. 72 refuted. 0 times theorem prover too weak. 1903 trivial. 0 not checked. [2022-11-16 12:49:00,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:49:00,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510260551] [2022-11-16 12:49:00,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510260551] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:49:00,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908297876] [2022-11-16 12:49:00,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:49:00,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:49:00,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:49:00,027 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:49:00,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-11-16 12:49:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:02,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 5083 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 12:49:02,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:49:02,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1999 backedges. 643 proven. 0 refuted. 0 times theorem prover too weak. 1356 trivial. 0 not checked. [2022-11-16 12:49:02,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:49:02,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908297876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:49:02,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:49:02,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2022-11-16 12:49:02,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32731416] [2022-11-16 12:49:02,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:49:02,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:49:02,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:49:02,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:49:02,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-16 12:49:02,481 INFO L87 Difference]: Start difference. First operand 5006 states and 6764 transitions. Second operand has 6 states, 6 states have (on average 29.0) internal successors, (174), 5 states have internal predecessors, (174), 3 states have call successors, (42), 2 states have call predecessors, (42), 3 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2022-11-16 12:49:03,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:49:03,112 INFO L93 Difference]: Finished difference Result 10327 states and 14047 transitions. [2022-11-16 12:49:03,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:49:03,113 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.0) internal successors, (174), 5 states have internal predecessors, (174), 3 states have call successors, (42), 2 states have call predecessors, (42), 3 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) Word has length 624 [2022-11-16 12:49:03,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:49:03,132 INFO L225 Difference]: With dead ends: 10327 [2022-11-16 12:49:03,132 INFO L226 Difference]: Without dead ends: 5318 [2022-11-16 12:49:03,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 823 GetRequests, 813 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:49:03,147 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 14 mSDsluCounter, 2563 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 3208 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:49:03,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 3208 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:49:03,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5318 states. [2022-11-16 12:49:03,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5318 to 5312. [2022-11-16 12:49:03,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5312 states, 3869 states have (on average 1.2825019384853968) internal successors, (4962), 3875 states have internal predecessors, (4962), 1083 states have call successors, (1083), 327 states have call predecessors, (1083), 359 states have return successors, (1160), 1127 states have call predecessors, (1160), 1082 states have call successors, (1160) [2022-11-16 12:49:03,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5312 states to 5312 states and 7205 transitions. [2022-11-16 12:49:03,762 INFO L78 Accepts]: Start accepts. Automaton has 5312 states and 7205 transitions. Word has length 624 [2022-11-16 12:49:03,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:49:03,763 INFO L495 AbstractCegarLoop]: Abstraction has 5312 states and 7205 transitions. [2022-11-16 12:49:03,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.0) internal successors, (174), 5 states have internal predecessors, (174), 3 states have call successors, (42), 2 states have call predecessors, (42), 3 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2022-11-16 12:49:03,764 INFO L276 IsEmpty]: Start isEmpty. Operand 5312 states and 7205 transitions. [2022-11-16 12:49:03,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2022-11-16 12:49:03,777 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:49:03,778 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 13, 13, 13, 13, 13, 12, 12, 12, 9, 9, 9, 9, 9, 8, 8, 8, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:49:03,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-11-16 12:49:03,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-11-16 12:49:03,995 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:49:03,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:49:03,996 INFO L85 PathProgramCache]: Analyzing trace with hash 525139087, now seen corresponding path program 1 times [2022-11-16 12:49:03,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:49:03,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060452887] [2022-11-16 12:49:03,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:49:03,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:49:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:04,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:49:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:04,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 12:49:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:05,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:49:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:05,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:05,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:49:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:05,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:49:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:05,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:49:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:05,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 12:49:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:05,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:05,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 12:49:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:05,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:05,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 12:49:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:05,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:05,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:49:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:05,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:05,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 12:49:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:05,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:05,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 12:49:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:05,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:05,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-16 12:49:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:05,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-16 12:49:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:05,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:49:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:49:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:49:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:49:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:49:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 12:49:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 12:49:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:49:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 12:49:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 12:49:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:49:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:49:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:49:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:49:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 12:49:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 12:49:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:49:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:49:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 12:49:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-11-16 12:49:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-11-16 12:49:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-11-16 12:49:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-11-16 12:49:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:49:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:49:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:49:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:49:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:49:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 12:49:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 12:49:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:49:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 12:49:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 12:49:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:06,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:07,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:07,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:49:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:07,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:49:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:07,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:07,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:07,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:49:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:07,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:49:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:07,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:07,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 12:49:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:07,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:07,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 12:49:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:07,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:07,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:49:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:07,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:07,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:49:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:07,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 12:49:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:07,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1999 backedges. 24 proven. 72 refuted. 0 times theorem prover too weak. 1903 trivial. 0 not checked. [2022-11-16 12:49:07,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:49:07,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060452887] [2022-11-16 12:49:07,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060452887] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:49:07,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954721243] [2022-11-16 12:49:07,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:49:07,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:49:07,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:49:07,083 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:49:07,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-11-16 12:49:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:09,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 5099 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 12:49:09,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:49:09,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1999 backedges. 643 proven. 0 refuted. 0 times theorem prover too weak. 1356 trivial. 0 not checked. [2022-11-16 12:49:09,584 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:49:09,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954721243] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:49:09,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:49:09,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2022-11-16 12:49:09,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559870659] [2022-11-16 12:49:09,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:49:09,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:49:09,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:49:09,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:49:09,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-16 12:49:09,588 INFO L87 Difference]: Start difference. First operand 5312 states and 7205 transitions. Second operand has 6 states, 6 states have (on average 29.333333333333332) internal successors, (176), 5 states have internal predecessors, (176), 3 states have call successors, (42), 2 states have call predecessors, (42), 3 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2022-11-16 12:49:10,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:49:10,198 INFO L93 Difference]: Finished difference Result 10678 states and 14548 transitions. [2022-11-16 12:49:10,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:49:10,199 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.333333333333332) internal successors, (176), 5 states have internal predecessors, (176), 3 states have call successors, (42), 2 states have call predecessors, (42), 3 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) Word has length 626 [2022-11-16 12:49:10,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:49:10,225 INFO L225 Difference]: With dead ends: 10678 [2022-11-16 12:49:10,226 INFO L226 Difference]: Without dead ends: 5369 [2022-11-16 12:49:10,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 826 GetRequests, 815 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-16 12:49:10,244 INFO L413 NwaCegarLoop]: 650 mSDtfsCounter, 19 mSDsluCounter, 2578 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 3228 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:49:10,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 3228 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:49:10,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5369 states. [2022-11-16 12:49:10,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5369 to 5324. [2022-11-16 12:49:10,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5324 states, 3881 states have (on average 1.281628446276733) internal successors, (4974), 3881 states have internal predecessors, (4974), 1083 states have call successors, (1083), 327 states have call predecessors, (1083), 359 states have return successors, (1160), 1133 states have call predecessors, (1160), 1082 states have call successors, (1160) [2022-11-16 12:49:10,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5324 states to 5324 states and 7217 transitions. [2022-11-16 12:49:10,843 INFO L78 Accepts]: Start accepts. Automaton has 5324 states and 7217 transitions. Word has length 626 [2022-11-16 12:49:10,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:49:10,846 INFO L495 AbstractCegarLoop]: Abstraction has 5324 states and 7217 transitions. [2022-11-16 12:49:10,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.333333333333332) internal successors, (176), 5 states have internal predecessors, (176), 3 states have call successors, (42), 2 states have call predecessors, (42), 3 states have return successors, (40), 4 states have call predecessors, (40), 3 states have call successors, (40) [2022-11-16 12:49:10,847 INFO L276 IsEmpty]: Start isEmpty. Operand 5324 states and 7217 transitions. [2022-11-16 12:49:10,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2022-11-16 12:49:10,859 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:49:10,859 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 13, 13, 13, 13, 13, 12, 12, 12, 9, 9, 9, 9, 9, 8, 8, 8, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:49:10,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-11-16 12:49:11,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-11-16 12:49:11,079 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:49:11,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:49:11,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1187763419, now seen corresponding path program 1 times [2022-11-16 12:49:11,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:49:11,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498588911] [2022-11-16 12:49:11,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:49:11,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:49:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:49:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 12:49:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:49:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:49:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:49:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:49:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 12:49:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 12:49:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 12:49:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 12:49:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 12:49:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 12:49:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-16 12:49:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-16 12:49:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:49:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:49:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:49:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:11,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:49:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:49:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 12:49:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 12:49:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:49:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 12:49:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 12:49:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:49:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:49:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:49:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:49:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 12:49:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 12:49:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:49:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:49:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 12:49:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-16 12:49:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-11-16 12:49:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-11-16 12:49:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-11-16 12:49:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:49:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:49:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:49:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:49:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:49:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 12:49:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 12:49:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:49:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 12:49:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 12:49:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:49:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:49:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:49:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:49:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 12:49:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 12:49:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:49:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:49:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 12:49:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:12,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1999 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1969 trivial. 0 not checked. [2022-11-16 12:49:12,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:49:12,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498588911] [2022-11-16 12:49:12,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498588911] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:49:12,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:49:12,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:49:12,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72436768] [2022-11-16 12:49:12,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:49:12,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:49:12,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:49:12,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:49:12,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:49:12,689 INFO L87 Difference]: Start difference. First operand 5324 states and 7217 transitions. Second operand has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 3 states have internal predecessors, (166), 3 states have call successors, (41), 5 states have call predecessors, (41), 2 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-16 12:49:19,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:49:19,958 INFO L93 Difference]: Finished difference Result 10769 states and 14705 transitions. [2022-11-16 12:49:19,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:49:19,959 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 3 states have internal predecessors, (166), 3 states have call successors, (41), 5 states have call predecessors, (41), 2 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 627 [2022-11-16 12:49:19,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:49:19,980 INFO L225 Difference]: With dead ends: 10769 [2022-11-16 12:49:19,981 INFO L226 Difference]: Without dead ends: 5448 [2022-11-16 12:49:20,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:49:20,000 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 674 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 1152 mSolverCounterSat, 381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 707 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 1533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 381 IncrementalHoareTripleChecker+Valid, 1152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-11-16 12:49:20,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [707 Valid, 742 Invalid, 1533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [381 Valid, 1152 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-11-16 12:49:20,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5448 states. [2022-11-16 12:49:20,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5448 to 5300. [2022-11-16 12:49:20,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5300 states, 3857 states have (on average 1.2693803474202747) internal successors, (4896), 3857 states have internal predecessors, (4896), 1083 states have call successors, (1083), 327 states have call predecessors, (1083), 359 states have return successors, (1160), 1133 states have call predecessors, (1160), 1082 states have call successors, (1160) [2022-11-16 12:49:20,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5300 states to 5300 states and 7139 transitions. [2022-11-16 12:49:20,471 INFO L78 Accepts]: Start accepts. Automaton has 5300 states and 7139 transitions. Word has length 627 [2022-11-16 12:49:20,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:49:20,472 INFO L495 AbstractCegarLoop]: Abstraction has 5300 states and 7139 transitions. [2022-11-16 12:49:20,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 3 states have internal predecessors, (166), 3 states have call successors, (41), 5 states have call predecessors, (41), 2 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-16 12:49:20,472 INFO L276 IsEmpty]: Start isEmpty. Operand 5300 states and 7139 transitions. [2022-11-16 12:49:20,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 632 [2022-11-16 12:49:20,484 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:49:20,485 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 13, 13, 13, 13, 13, 12, 12, 12, 9, 9, 9, 9, 9, 8, 8, 8, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:49:20,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-16 12:49:20,485 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:49:20,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:49:20,486 INFO L85 PathProgramCache]: Analyzing trace with hash -335606629, now seen corresponding path program 1 times [2022-11-16 12:49:20,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:49:20,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079953048] [2022-11-16 12:49:20,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:49:20,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:49:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:21,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:49:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:21,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 12:49:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:21,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:49:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:21,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:21,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:49:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:21,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:49:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:21,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:49:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:21,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 12:49:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:21,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:21,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 12:49:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:21,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:21,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-16 12:49:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:21,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:21,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:49:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:21,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:21,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:49:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:21,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:21,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 12:49:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:21,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:21,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-16 12:49:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:21,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-16 12:49:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:49:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:49:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:49:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:49:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:49:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 12:49:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 12:49:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:49:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 12:49:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 12:49:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:49:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:49:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:49:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:49:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 12:49:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 12:49:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:49:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:49:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 12:49:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-11-16 12:49:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-11-16 12:49:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-11-16 12:49:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-11-16 12:49:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:49:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:49:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:49:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:49:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:49:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 12:49:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 12:49:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:49:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 12:49:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 12:49:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:22,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:23,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:23,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:49:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:23,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:49:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:23,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:23,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:23,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:49:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:23,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:49:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:23,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:23,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 12:49:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:23,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:23,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 12:49:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:23,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:23,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:49:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:23,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:23,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:49:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:23,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 12:49:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:23,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2009 backedges. 24 proven. 72 refuted. 0 times theorem prover too weak. 1913 trivial. 0 not checked. [2022-11-16 12:49:23,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:49:23,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079953048] [2022-11-16 12:49:23,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079953048] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:49:23,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262557202] [2022-11-16 12:49:23,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:49:23,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:49:23,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:49:23,077 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:49:23,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-11-16 12:49:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:25,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 5114 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:49:25,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:49:25,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2009 backedges. 981 proven. 3 refuted. 0 times theorem prover too weak. 1025 trivial. 0 not checked. [2022-11-16 12:49:25,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:49:26,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2009 backedges. 24 proven. 72 refuted. 0 times theorem prover too weak. 1913 trivial. 0 not checked. [2022-11-16 12:49:26,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262557202] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:49:26,902 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:49:26,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 9 [2022-11-16 12:49:26,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958198259] [2022-11-16 12:49:26,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:49:26,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:49:26,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:49:26,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:49:26,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:49:26,905 INFO L87 Difference]: Start difference. First operand 5300 states and 7139 transitions. Second operand has 9 states, 9 states have (on average 28.77777777777778) internal successors, (259), 6 states have internal predecessors, (259), 6 states have call successors, (89), 5 states have call predecessors, (89), 2 states have return successors, (83), 6 states have call predecessors, (83), 6 states have call successors, (83) [2022-11-16 12:49:38,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:49:38,266 INFO L93 Difference]: Finished difference Result 11993 states and 16835 transitions. [2022-11-16 12:49:38,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:49:38,271 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 28.77777777777778) internal successors, (259), 6 states have internal predecessors, (259), 6 states have call successors, (89), 5 states have call predecessors, (89), 2 states have return successors, (83), 6 states have call predecessors, (83), 6 states have call successors, (83) Word has length 631 [2022-11-16 12:49:38,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:49:38,295 INFO L225 Difference]: With dead ends: 11993 [2022-11-16 12:49:38,295 INFO L226 Difference]: Without dead ends: 6444 [2022-11-16 12:49:38,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1471 GetRequests, 1458 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=134, Unknown=0, NotChecked=0, Total=210 [2022-11-16 12:49:38,310 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 833 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 2122 mSolverCounterSat, 534 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 865 SdHoareTripleChecker+Valid, 1141 SdHoareTripleChecker+Invalid, 2656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 534 IncrementalHoareTripleChecker+Valid, 2122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-11-16 12:49:38,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [865 Valid, 1141 Invalid, 2656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [534 Valid, 2122 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2022-11-16 12:49:38,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6444 states. [2022-11-16 12:49:38,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6444 to 5636. [2022-11-16 12:49:38,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5636 states, 4049 states have (on average 1.2862435169177575) internal successors, (5208), 4049 states have internal predecessors, (5208), 1227 states have call successors, (1227), 327 states have call predecessors, (1227), 359 states have return successors, (1304), 1277 states have call predecessors, (1304), 1226 states have call successors, (1304) [2022-11-16 12:49:38,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5636 states to 5636 states and 7739 transitions. [2022-11-16 12:49:38,745 INFO L78 Accepts]: Start accepts. Automaton has 5636 states and 7739 transitions. Word has length 631 [2022-11-16 12:49:38,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:49:38,746 INFO L495 AbstractCegarLoop]: Abstraction has 5636 states and 7739 transitions. [2022-11-16 12:49:38,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 28.77777777777778) internal successors, (259), 6 states have internal predecessors, (259), 6 states have call successors, (89), 5 states have call predecessors, (89), 2 states have return successors, (83), 6 states have call predecessors, (83), 6 states have call successors, (83) [2022-11-16 12:49:38,747 INFO L276 IsEmpty]: Start isEmpty. Operand 5636 states and 7739 transitions. [2022-11-16 12:49:38,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698 [2022-11-16 12:49:38,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:49:38,759 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 10, 10, 8, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:49:38,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-11-16 12:49:38,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:49:38,983 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:49:38,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:49:38,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1296239151, now seen corresponding path program 1 times [2022-11-16 12:49:38,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:49:38,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487976178] [2022-11-16 12:49:38,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:49:38,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:49:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:49:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 12:49:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:49:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:49:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:49:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:49:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 12:49:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 12:49:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-16 12:49:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:39,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 12:49:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:49:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 12:49:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-16 12:49:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-16 12:49:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:49:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:49:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:49:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:49:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:49:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:39,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 12:49:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 12:49:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:49:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 12:49:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 12:49:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:49:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:49:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:49:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:49:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 12:49:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-16 12:49:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 12:49:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:49:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 12:49:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 12:49:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 12:49:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 12:49:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-16 12:49:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-11-16 12:49:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-11-16 12:49:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-11-16 12:49:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-11-16 12:49:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:49:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:49:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:49:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:49:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:49:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 12:49:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 12:49:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:49:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 12:49:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 12:49:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:49:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:49:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:49:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:49:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 12:49:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-16 12:49:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 12:49:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 12:49:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 12:49:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 12:49:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 12:49:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 12:49:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-16 12:49:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:40,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2746 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2746 trivial. 0 not checked. [2022-11-16 12:49:40,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:49:40,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487976178] [2022-11-16 12:49:40,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487976178] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:49:40,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:49:40,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:49:40,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587949943] [2022-11-16 12:49:40,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:49:40,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:49:40,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:49:40,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:49:40,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:49:40,702 INFO L87 Difference]: Start difference. First operand 5636 states and 7739 transitions. Second operand has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 3 states have internal predecessors, (160), 3 states have call successors, (40), 6 states have call predecessors, (40), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-16 12:49:53,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:49:53,451 INFO L93 Difference]: Finished difference Result 5784 states and 7983 transitions. [2022-11-16 12:49:53,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 12:49:53,452 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 3 states have internal predecessors, (160), 3 states have call successors, (40), 6 states have call predecessors, (40), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 697 [2022-11-16 12:49:53,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:49:53,453 INFO L225 Difference]: With dead ends: 5784 [2022-11-16 12:49:53,453 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 12:49:53,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:49:53,464 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 710 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 1771 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 831 SdHoareTripleChecker+Invalid, 2185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 1771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:49:53,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 831 Invalid, 2185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 1771 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2022-11-16 12:49:53,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 12:49:53,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 12:49:53,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:49:53,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 12:49:53,467 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 697 [2022-11-16 12:49:53,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:49:53,467 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:49:53,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 3 states have internal predecessors, (160), 3 states have call successors, (40), 6 states have call predecessors, (40), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-16 12:49:53,468 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:49:53,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 12:49:53,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:49:53,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-16 12:49:53,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 12:50:46,816 INFO L902 garLoopResultBuilder]: At program point pi_releaseENTRY(lines 5692 5694) the Hoare annotation is: true [2022-11-16 12:50:46,816 INFO L899 garLoopResultBuilder]: For program point pi_releaseFINAL(lines 5692 5694) no Hoare annotation was computed. [2022-11-16 12:50:46,816 INFO L899 garLoopResultBuilder]: For program point pi_releaseEXIT(lines 5692 5694) no Hoare annotation was computed. [2022-11-16 12:50:46,817 INFO L899 garLoopResultBuilder]: For program point L3741(line 3741) no Hoare annotation was computed. [2022-11-16 12:50:46,817 INFO L899 garLoopResultBuilder]: For program point L3741-2(line 3741) no Hoare annotation was computed. [2022-11-16 12:50:46,817 INFO L899 garLoopResultBuilder]: For program point L3741-4(line 3741) no Hoare annotation was computed. [2022-11-16 12:50:46,817 INFO L899 garLoopResultBuilder]: For program point L3734(lines 3734 3746) no Hoare annotation was computed. [2022-11-16 12:50:46,817 INFO L895 garLoopResultBuilder]: At program point L3732(line 3732) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-16 12:50:46,818 INFO L899 garLoopResultBuilder]: For program point L3734-2(lines 3734 3746) no Hoare annotation was computed. [2022-11-16 12:50:46,818 INFO L899 garLoopResultBuilder]: For program point L3732-1(line 3732) no Hoare annotation was computed. [2022-11-16 12:50:46,818 INFO L899 garLoopResultBuilder]: For program point pf_getgeoFINAL(lines 3724 3749) no Hoare annotation was computed. [2022-11-16 12:50:46,818 INFO L895 garLoopResultBuilder]: At program point pf_getgeoENTRY(lines 3724 3749) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-16 12:50:46,818 INFO L899 garLoopResultBuilder]: For program point pf_getgeoEXIT(lines 3724 3749) no Hoare annotation was computed. [2022-11-16 12:50:46,818 INFO L899 garLoopResultBuilder]: For program point write_regFINAL(lines 3808 3814) no Hoare annotation was computed. [2022-11-16 12:50:46,818 INFO L902 garLoopResultBuilder]: At program point write_regENTRY(lines 3808 3814) the Hoare annotation is: true [2022-11-16 12:50:46,819 INFO L902 garLoopResultBuilder]: At program point L5699(lines 5698 5700) the Hoare annotation is: true [2022-11-16 12:50:46,819 INFO L899 garLoopResultBuilder]: For program point write_regEXIT(lines 3808 3814) no Hoare annotation was computed. [2022-11-16 12:50:46,819 INFO L902 garLoopResultBuilder]: At program point pi_disconnectENTRY(lines 5675 5677) the Hoare annotation is: true [2022-11-16 12:50:46,819 INFO L899 garLoopResultBuilder]: For program point pi_disconnectFINAL(lines 5675 5677) no Hoare annotation was computed. [2022-11-16 12:50:46,819 INFO L899 garLoopResultBuilder]: For program point pi_disconnectEXIT(lines 5675 5677) no Hoare annotation was computed. [2022-11-16 12:50:46,819 INFO L899 garLoopResultBuilder]: For program point status_regEXIT(lines 3794 3800) no Hoare annotation was computed. [2022-11-16 12:50:46,819 INFO L899 garLoopResultBuilder]: For program point L3797-1(line 3797) no Hoare annotation was computed. [2022-11-16 12:50:46,820 INFO L902 garLoopResultBuilder]: At program point status_regENTRY(lines 3794 3800) the Hoare annotation is: true [2022-11-16 12:50:46,820 INFO L902 garLoopResultBuilder]: At program point L3797(line 3797) the Hoare annotation is: true [2022-11-16 12:50:46,820 INFO L899 garLoopResultBuilder]: For program point status_regFINAL(lines 3794 3800) no Hoare annotation was computed. [2022-11-16 12:50:46,820 INFO L899 garLoopResultBuilder]: For program point __const_udelayFINAL(lines 5627 5629) no Hoare annotation was computed. [2022-11-16 12:50:46,820 INFO L899 garLoopResultBuilder]: For program point __const_udelayEXIT(lines 5627 5629) no Hoare annotation was computed. [2022-11-16 12:50:46,820 INFO L902 garLoopResultBuilder]: At program point __const_udelayENTRY(lines 5627 5629) the Hoare annotation is: true [2022-11-16 12:50:46,820 INFO L895 garLoopResultBuilder]: At program point ldv_mutex_lock_pf_mutexENTRY(lines 5522 5532) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0)) (= |old(~ldv_mutex_pf_mutex~0)| ~ldv_mutex_pf_mutex~0)) [2022-11-16 12:50:46,821 INFO L899 garLoopResultBuilder]: For program point ldv_mutex_lock_pf_mutexFINAL(lines 5522 5532) no Hoare annotation was computed. [2022-11-16 12:50:46,821 INFO L895 garLoopResultBuilder]: At program point L5527(line 5527) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-16 12:50:46,821 INFO L899 garLoopResultBuilder]: For program point L5527-1(lines 5525 5528) no Hoare annotation was computed. [2022-11-16 12:50:46,821 INFO L899 garLoopResultBuilder]: For program point ldv_mutex_lock_pf_mutexEXIT(lines 5522 5532) no Hoare annotation was computed. [2022-11-16 12:50:46,821 INFO L899 garLoopResultBuilder]: For program point L5525(lines 5525 5528) no Hoare annotation was computed. [2022-11-16 12:50:46,821 INFO L899 garLoopResultBuilder]: For program point L3999-1(line 3999) no Hoare annotation was computed. [2022-11-16 12:50:46,822 INFO L895 garLoopResultBuilder]: At program point L3999(line 3999) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0))) (.cse5 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5))) [2022-11-16 12:50:46,822 INFO L899 garLoopResultBuilder]: For program point L3991(lines 3991 3995) no Hoare annotation was computed. [2022-11-16 12:50:46,822 INFO L895 garLoopResultBuilder]: At program point L3987(lines 3983 3997) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4))) [2022-11-16 12:50:46,822 INFO L895 garLoopResultBuilder]: At program point L3981(lines 3981 3997) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0))) (.cse5 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5))) [2022-11-16 12:50:46,823 INFO L899 garLoopResultBuilder]: For program point L4002(lines 4002 4005) no Hoare annotation was computed. [2022-11-16 12:50:46,823 INFO L899 garLoopResultBuilder]: For program point L3998-1(lines 3979 4007) no Hoare annotation was computed. [2022-11-16 12:50:46,823 INFO L895 garLoopResultBuilder]: At program point L3994(lines 3979 4007) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0))) (.cse5 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5))) [2022-11-16 12:50:46,823 INFO L895 garLoopResultBuilder]: At program point L3992(lines 3983 3997) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4))) [2022-11-16 12:50:46,823 INFO L899 garLoopResultBuilder]: For program point pf_atapiEXIT(lines 3975 4008) no Hoare annotation was computed. [2022-11-16 12:50:46,824 INFO L899 garLoopResultBuilder]: For program point pf_atapiFINAL(lines 3975 4008) no Hoare annotation was computed. [2022-11-16 12:50:46,824 INFO L895 garLoopResultBuilder]: At program point L3980(line 3980) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0))) (.cse5 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5))) [2022-11-16 12:50:46,824 INFO L895 garLoopResultBuilder]: At program point pf_atapiENTRY(lines 3975 4008) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0))) (.cse5 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5))) [2022-11-16 12:50:46,824 INFO L899 garLoopResultBuilder]: For program point L3980-1(line 3980) no Hoare annotation was computed. [2022-11-16 12:50:46,825 INFO L895 garLoopResultBuilder]: At program point L4003(line 4003) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= pf_atapi_~r~3 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))) (.cse2 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse4 (not (= ~disable~0 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5))) [2022-11-16 12:50:46,825 INFO L899 garLoopResultBuilder]: For program point L4127-1(lines 4127 4130) no Hoare annotation was computed. [2022-11-16 12:50:46,825 INFO L902 garLoopResultBuilder]: At program point L4090(lines 4070 4136) the Hoare annotation is: true [2022-11-16 12:50:46,825 INFO L902 garLoopResultBuilder]: At program point L4078(line 4078) the Hoare annotation is: true [2022-11-16 12:50:46,825 INFO L902 garLoopResultBuilder]: At program point L4078-1(line 4078) the Hoare annotation is: true [2022-11-16 12:50:46,825 INFO L895 garLoopResultBuilder]: At program point L4107(lines 4070 4136) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0)) (<= pf_reset_~i~0 4)) [2022-11-16 12:50:46,825 INFO L899 garLoopResultBuilder]: For program point L4103(line 4103) no Hoare annotation was computed. [2022-11-16 12:50:46,826 INFO L899 garLoopResultBuilder]: For program point L4103-2(line 4103) no Hoare annotation was computed. [2022-11-16 12:50:46,826 INFO L899 garLoopResultBuilder]: For program point L4103-4(line 4103) no Hoare annotation was computed. [2022-11-16 12:50:46,826 INFO L902 garLoopResultBuilder]: At program point L4095(lines 4070 4136) the Hoare annotation is: true [2022-11-16 12:50:46,826 INFO L902 garLoopResultBuilder]: At program point L4124(lines 4112 4132) the Hoare annotation is: true [2022-11-16 12:50:46,826 INFO L902 garLoopResultBuilder]: At program point L4120(lines 4112 4132) the Hoare annotation is: true [2022-11-16 12:50:46,826 INFO L899 garLoopResultBuilder]: For program point L4087(lines 4087 4096) no Hoare annotation was computed. [2022-11-16 12:50:46,826 INFO L902 garLoopResultBuilder]: At program point L4083(lines 4070 4136) the Hoare annotation is: true [2022-11-16 12:50:46,827 INFO L899 garLoopResultBuilder]: For program point L4079(line 4079) no Hoare annotation was computed. [2022-11-16 12:50:46,827 INFO L899 garLoopResultBuilder]: For program point L4112-1(lines 4112 4133) no Hoare annotation was computed. [2022-11-16 12:50:46,827 INFO L902 garLoopResultBuilder]: At program point L4088(line 4088) the Hoare annotation is: true [2022-11-16 12:50:46,827 INFO L899 garLoopResultBuilder]: For program point L4088-1(line 4088) no Hoare annotation was computed. [2022-11-16 12:50:46,827 INFO L899 garLoopResultBuilder]: For program point L4117(line 4117) no Hoare annotation was computed. [2022-11-16 12:50:46,827 INFO L902 garLoopResultBuilder]: At program point L4076(line 4076) the Hoare annotation is: true [2022-11-16 12:50:46,827 INFO L902 garLoopResultBuilder]: At program point L4109(lines 4070 4136) the Hoare annotation is: true [2022-11-16 12:50:46,828 INFO L899 garLoopResultBuilder]: For program point L4076-1(line 4076) no Hoare annotation was computed. [2022-11-16 12:50:46,828 INFO L902 garLoopResultBuilder]: At program point L4105(lines 4070 4136) the Hoare annotation is: true [2022-11-16 12:50:46,828 INFO L895 garLoopResultBuilder]: At program point pf_resetENTRY(lines 4061 4137) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0)) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))) [2022-11-16 12:50:46,828 INFO L902 garLoopResultBuilder]: At program point L4134(line 4134) the Hoare annotation is: true [2022-11-16 12:50:46,828 INFO L899 garLoopResultBuilder]: For program point L4134-1(line 4134) no Hoare annotation was computed. [2022-11-16 12:50:46,828 INFO L899 garLoopResultBuilder]: For program point pf_resetEXIT(lines 4061 4137) no Hoare annotation was computed. [2022-11-16 12:50:46,829 INFO L895 garLoopResultBuilder]: At program point L4122(lines 4112 4132) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0)) (<= pf_reset_~i~0 4)) [2022-11-16 12:50:46,829 INFO L899 garLoopResultBuilder]: For program point L4089(lines 4089 4093) no Hoare annotation was computed. [2022-11-16 12:50:46,829 INFO L899 garLoopResultBuilder]: For program point pf_resetFINAL(lines 4061 4137) no Hoare annotation was computed. [2022-11-16 12:50:46,829 INFO L899 garLoopResultBuilder]: For program point L4077-1(line 4077) no Hoare annotation was computed. [2022-11-16 12:50:46,829 INFO L902 garLoopResultBuilder]: At program point L4077(line 4077) the Hoare annotation is: true [2022-11-16 12:50:46,829 INFO L899 garLoopResultBuilder]: For program point L4102(line 4102) no Hoare annotation was computed. [2022-11-16 12:50:46,830 INFO L895 garLoopResultBuilder]: At program point L3873-1(line 3873) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_command_~tmp~10 0)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2022-11-16 12:50:46,830 INFO L895 garLoopResultBuilder]: At program point L3873(line 3873) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_command_~tmp~10 0)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2022-11-16 12:50:46,830 INFO L899 garLoopResultBuilder]: For program point L3869-1(line 3869) no Hoare annotation was computed. [2022-11-16 12:50:46,830 INFO L902 garLoopResultBuilder]: At program point L3869(line 3869) the Hoare annotation is: true [2022-11-16 12:50:46,830 INFO L899 garLoopResultBuilder]: For program point L3867-1(line 3867) no Hoare annotation was computed. [2022-11-16 12:50:46,831 INFO L902 garLoopResultBuilder]: At program point L3867(line 3867) the Hoare annotation is: true [2022-11-16 12:50:46,831 INFO L899 garLoopResultBuilder]: For program point L3865-1(line 3865) no Hoare annotation was computed. [2022-11-16 12:50:46,831 INFO L902 garLoopResultBuilder]: At program point L3865(line 3865) the Hoare annotation is: true [2022-11-16 12:50:46,831 INFO L895 garLoopResultBuilder]: At program point L3882(line 3882) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (and (= pf_command_~tmp___0~2 0) (= pf_command_~tmp~10 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) .cse4 (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5))) [2022-11-16 12:50:46,831 INFO L899 garLoopResultBuilder]: For program point L3882-1(line 3882) no Hoare annotation was computed. [2022-11-16 12:50:46,831 INFO L895 garLoopResultBuilder]: At program point L3878(line 3878) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_command_~tmp~10 0)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2022-11-16 12:50:46,832 INFO L899 garLoopResultBuilder]: For program point L3876(line 3876) no Hoare annotation was computed. [2022-11-16 12:50:46,832 INFO L899 garLoopResultBuilder]: For program point pf_commandFINAL(lines 3860 3892) no Hoare annotation was computed. [2022-11-16 12:50:46,832 INFO L899 garLoopResultBuilder]: For program point L3878-1(line 3878) no Hoare annotation was computed. [2022-11-16 12:50:46,832 INFO L895 garLoopResultBuilder]: At program point L3874(line 3874) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_command_~tmp~10 0)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2022-11-16 12:50:46,832 INFO L899 garLoopResultBuilder]: For program point L3868(lines 3868 3872) no Hoare annotation was computed. [2022-11-16 12:50:46,832 INFO L902 garLoopResultBuilder]: At program point L3866(line 3866) the Hoare annotation is: true [2022-11-16 12:50:46,833 INFO L899 garLoopResultBuilder]: For program point L3866-1(line 3866) no Hoare annotation was computed. [2022-11-16 12:50:46,833 INFO L902 garLoopResultBuilder]: At program point pf_commandENTRY(lines 3860 3892) the Hoare annotation is: true [2022-11-16 12:50:46,833 INFO L899 garLoopResultBuilder]: For program point L3889-1(line 3889) no Hoare annotation was computed. [2022-11-16 12:50:46,833 INFO L899 garLoopResultBuilder]: For program point pf_commandEXIT(lines 3860 3892) no Hoare annotation was computed. [2022-11-16 12:50:46,833 INFO L895 garLoopResultBuilder]: At program point L3889(line 3889) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (and (= pf_command_~tmp___0~2 0) (= pf_command_~tmp~10 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) .cse4 (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5))) [2022-11-16 12:50:46,833 INFO L899 garLoopResultBuilder]: For program point L3885-1(line 3885) no Hoare annotation was computed. [2022-11-16 12:50:46,834 INFO L895 garLoopResultBuilder]: At program point L3885(line 3885) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (and (= pf_command_~tmp___0~2 0) (= pf_command_~tmp~10 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) .cse4 (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5))) [2022-11-16 12:50:46,834 INFO L899 garLoopResultBuilder]: For program point L3883(lines 3883 3888) no Hoare annotation was computed. [2022-11-16 12:50:46,834 INFO L899 garLoopResultBuilder]: For program point L3877(lines 3877 3881) no Hoare annotation was computed. [2022-11-16 12:50:46,834 INFO L895 garLoopResultBuilder]: At program point L3875(line 3875) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (= pf_command_~tmp~10 0)) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5))) [2022-11-16 12:50:46,834 INFO L899 garLoopResultBuilder]: For program point L4383(line 4383) no Hoare annotation was computed. [2022-11-16 12:50:46,834 INFO L899 garLoopResultBuilder]: For program point L4346(lines 4346 4349) no Hoare annotation was computed. [2022-11-16 12:50:46,835 INFO L899 garLoopResultBuilder]: For program point L4375(lines 4375 4379) no Hoare annotation was computed. [2022-11-16 12:50:46,835 INFO L899 garLoopResultBuilder]: For program point L4371(lines 4371 4374) no Hoare annotation was computed. [2022-11-16 12:50:46,835 INFO L899 garLoopResultBuilder]: For program point L4338(lines 4338 4358) no Hoare annotation was computed. [2022-11-16 12:50:46,835 INFO L899 garLoopResultBuilder]: For program point L4363(lines 4363 4367) no Hoare annotation was computed. [2022-11-16 12:50:46,835 INFO L902 garLoopResultBuilder]: At program point L4351(lines 4341 4358) the Hoare annotation is: true [2022-11-16 12:50:46,835 INFO L899 garLoopResultBuilder]: For program point L4384(lines 4384 4387) no Hoare annotation was computed. [2022-11-16 12:50:46,835 INFO L899 garLoopResultBuilder]: For program point L4376-1(line 4376) no Hoare annotation was computed. [2022-11-16 12:50:46,836 INFO L902 garLoopResultBuilder]: At program point L4376(line 4376) the Hoare annotation is: true [2022-11-16 12:50:46,836 INFO L902 garLoopResultBuilder]: At program point L4339(line 4339) the Hoare annotation is: true [2022-11-16 12:50:46,836 INFO L899 garLoopResultBuilder]: For program point L4339-1(line 4339) no Hoare annotation was computed. [2022-11-16 12:50:46,836 INFO L902 garLoopResultBuilder]: At program point L4364(lines 4332 4369) the Hoare annotation is: true [2022-11-16 12:50:46,836 INFO L902 garLoopResultBuilder]: At program point L4393(lines 4332 4396) the Hoare annotation is: true [2022-11-16 12:50:46,836 INFO L902 garLoopResultBuilder]: At program point L4389(lines 4369 4396) the Hoare annotation is: true [2022-11-16 12:50:46,837 INFO L899 garLoopResultBuilder]: For program point L4352(lines 4352 4356) no Hoare annotation was computed. [2022-11-16 12:50:46,837 INFO L899 garLoopResultBuilder]: For program point pf_probeEXIT(lines 4324 4399) no Hoare annotation was computed. [2022-11-16 12:50:46,837 INFO L899 garLoopResultBuilder]: For program point L4336(line 4336) no Hoare annotation was computed. [2022-11-16 12:50:46,837 INFO L899 garLoopResultBuilder]: For program point L4332(lines 4332 4396) no Hoare annotation was computed. [2022-11-16 12:50:46,837 INFO L899 garLoopResultBuilder]: For program point L4390(lines 4390 4394) no Hoare annotation was computed. [2022-11-16 12:50:46,837 INFO L902 garLoopResultBuilder]: At program point L4353(lines 4341 4358) the Hoare annotation is: true [2022-11-16 12:50:46,837 INFO L899 garLoopResultBuilder]: For program point L4345(line 4345) no Hoare annotation was computed. [2022-11-16 12:50:46,838 INFO L895 garLoopResultBuilder]: At program point L4370(line 4370) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0)) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))) [2022-11-16 12:50:46,838 INFO L895 garLoopResultBuilder]: At program point pf_probeENTRY(lines 4324 4399) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0)) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))) [2022-11-16 12:50:46,838 INFO L899 garLoopResultBuilder]: For program point L4337(lines 4337 4360) no Hoare annotation was computed. [2022-11-16 12:50:46,838 INFO L899 garLoopResultBuilder]: For program point L4370-1(line 4370) no Hoare annotation was computed. [2022-11-16 12:50:46,838 INFO L902 garLoopResultBuilder]: At program point L4337-1(lines 4337 4360) the Hoare annotation is: true [2022-11-16 12:50:46,838 INFO L902 garLoopResultBuilder]: At program point L4362(lines 4332 4369) the Hoare annotation is: true [2022-11-16 12:50:46,839 INFO L902 garLoopResultBuilder]: At program point L4391(lines 4369 4396) the Hoare annotation is: true [2022-11-16 12:50:46,839 INFO L899 garLoopResultBuilder]: For program point pf_probeFINAL(lines 4324 4399) no Hoare annotation was computed. [2022-11-16 12:50:46,839 INFO L902 garLoopResultBuilder]: At program point pi_read_blockENTRY(lines 5685 5687) the Hoare annotation is: true [2022-11-16 12:50:46,839 INFO L899 garLoopResultBuilder]: For program point pi_read_blockFINAL(lines 5685 5687) no Hoare annotation was computed. [2022-11-16 12:50:46,839 INFO L899 garLoopResultBuilder]: For program point pi_read_blockEXIT(lines 5685 5687) no Hoare annotation was computed. [2022-11-16 12:50:46,839 INFO L899 garLoopResultBuilder]: For program point L3842-1(line 3842) no Hoare annotation was computed. [2022-11-16 12:50:46,839 INFO L895 garLoopResultBuilder]: At program point L3838(lines 3822 3858) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (= |pf_wait_#in~stop| pf_wait_~stop)) (.cse2 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse4 (not (= ~disable~0 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5))) [2022-11-16 12:50:46,840 INFO L899 garLoopResultBuilder]: For program point L3832(lines 3832 3836) no Hoare annotation was computed. [2022-11-16 12:50:46,840 INFO L899 garLoopResultBuilder]: For program point L3828(line 3828) no Hoare annotation was computed. [2022-11-16 12:50:46,840 INFO L895 garLoopResultBuilder]: At program point L3826(lines 3822 3858) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (= |pf_wait_#in~stop| pf_wait_~stop)) (.cse2 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse4 (not (= ~disable~0 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5))) [2022-11-16 12:50:46,840 INFO L899 garLoopResultBuilder]: For program point L3849-1(lines 3849 3853) no Hoare annotation was computed. [2022-11-16 12:50:46,840 INFO L899 garLoopResultBuilder]: For program point L3845-1(lines 3841 3855) no Hoare annotation was computed. [2022-11-16 12:50:46,840 INFO L899 garLoopResultBuilder]: For program point L3845(lines 3845 3848) no Hoare annotation was computed. [2022-11-16 12:50:46,841 INFO L899 garLoopResultBuilder]: For program point L3843-1(line 3843) no Hoare annotation was computed. [2022-11-16 12:50:46,841 INFO L895 garLoopResultBuilder]: At program point L3843(line 3843) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (and (= |pf_wait_#in~stop| pf_wait_~stop) (or (not (<= pf_wait_~j~0 64000)) (not (= |pf_wait_#in~stop| 0))))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5))) [2022-11-16 12:50:46,841 INFO L895 garLoopResultBuilder]: At program point L3833(lines 3822 3858) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (= |pf_wait_#in~stop| pf_wait_~stop)) (.cse2 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse4 (not (= ~disable~0 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5))) [2022-11-16 12:50:46,841 INFO L899 garLoopResultBuilder]: For program point pf_waitFINAL(lines 3815 3859) no Hoare annotation was computed. [2022-11-16 12:50:46,841 INFO L899 garLoopResultBuilder]: For program point L3829(lines 3829 3839) no Hoare annotation was computed. [2022-11-16 12:50:46,841 INFO L902 garLoopResultBuilder]: At program point pf_waitENTRY(lines 3815 3859) the Hoare annotation is: true [2022-11-16 12:50:46,842 INFO L899 garLoopResultBuilder]: For program point pf_waitEXIT(lines 3815 3859) no Hoare annotation was computed. [2022-11-16 12:50:46,842 INFO L899 garLoopResultBuilder]: For program point L3846(line 3846) no Hoare annotation was computed. [2022-11-16 12:50:46,842 INFO L895 garLoopResultBuilder]: At program point L3844(line 3844) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (and (= |pf_wait_#in~stop| pf_wait_~stop) (or (not (<= pf_wait_~j~0 64000)) (not (= |pf_wait_#in~stop| 0))))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5))) [2022-11-16 12:50:46,842 INFO L899 garLoopResultBuilder]: For program point L3846-2(line 3846) no Hoare annotation was computed. [2022-11-16 12:50:46,842 INFO L895 garLoopResultBuilder]: At program point L3842(line 3842) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (and (= |pf_wait_#in~stop| pf_wait_~stop) (or (not (<= pf_wait_~j~0 64000)) (not (= |pf_wait_#in~stop| 0))))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse5))) [2022-11-16 12:50:46,843 INFO L899 garLoopResultBuilder]: For program point L3844-1(line 3844) no Hoare annotation was computed. [2022-11-16 12:50:46,843 INFO L899 garLoopResultBuilder]: For program point read_regFINAL(lines 3801 3807) no Hoare annotation was computed. [2022-11-16 12:50:46,843 INFO L902 garLoopResultBuilder]: At program point L3804(line 3804) the Hoare annotation is: true [2022-11-16 12:50:46,843 INFO L899 garLoopResultBuilder]: For program point read_regEXIT(lines 3801 3807) no Hoare annotation was computed. [2022-11-16 12:50:46,843 INFO L899 garLoopResultBuilder]: For program point L3804-1(line 3804) no Hoare annotation was computed. [2022-11-16 12:50:46,843 INFO L902 garLoopResultBuilder]: At program point read_regENTRY(lines 3801 3807) the Hoare annotation is: true [2022-11-16 12:50:46,843 INFO L899 garLoopResultBuilder]: For program point L4288-2(line 4288) no Hoare annotation was computed. [2022-11-16 12:50:46,844 INFO L899 garLoopResultBuilder]: For program point L4288(line 4288) no Hoare annotation was computed. [2022-11-16 12:50:46,844 INFO L899 garLoopResultBuilder]: For program point L4284(lines 4284 4287) no Hoare annotation was computed. [2022-11-16 12:50:46,844 INFO L899 garLoopResultBuilder]: For program point L4288-4(line 4288) no Hoare annotation was computed. [2022-11-16 12:50:46,844 INFO L899 garLoopResultBuilder]: For program point L4247(lines 4247 4255) no Hoare annotation was computed. [2022-11-16 12:50:46,844 INFO L899 garLoopResultBuilder]: For program point L4247-1(lines 4247 4255) no Hoare annotation was computed. [2022-11-16 12:50:46,844 INFO L899 garLoopResultBuilder]: For program point L4239(lines 4239 4243) no Hoare annotation was computed. [2022-11-16 12:50:46,844 INFO L899 garLoopResultBuilder]: For program point pf_identifyEXIT(lines 4259 4323) no Hoare annotation was computed. [2022-11-16 12:50:46,844 INFO L902 garLoopResultBuilder]: At program point L4301(line 4301) the Hoare annotation is: true [2022-11-16 12:50:46,845 INFO L902 garLoopResultBuilder]: At program point L4301-1(line 4301) the Hoare annotation is: true [2022-11-16 12:50:46,845 INFO L902 garLoopResultBuilder]: At program point L4318(line 4318) the Hoare annotation is: true [2022-11-16 12:50:46,845 INFO L899 garLoopResultBuilder]: For program point L4289(lines 4289 4297) no Hoare annotation was computed. [2022-11-16 12:50:46,845 INFO L902 garLoopResultBuilder]: At program point L4256(lines 4219 4258) the Hoare annotation is: true [2022-11-16 12:50:46,845 INFO L899 garLoopResultBuilder]: For program point L4314(lines 4314 4317) no Hoare annotation was computed. [2022-11-16 12:50:46,845 INFO L899 garLoopResultBuilder]: For program point L4318-1(line 4318) no Hoare annotation was computed. [2022-11-16 12:50:46,845 INFO L899 garLoopResultBuilder]: For program point L4248-1(line 4248) no Hoare annotation was computed. [2022-11-16 12:50:46,846 INFO L902 garLoopResultBuilder]: At program point L4248(line 4248) the Hoare annotation is: true [2022-11-16 12:50:46,846 INFO L899 garLoopResultBuilder]: For program point L4314-2(lines 4314 4317) no Hoare annotation was computed. [2022-11-16 12:50:46,846 INFO L899 garLoopResultBuilder]: For program point L4244-1(line 4244) no Hoare annotation was computed. [2022-11-16 12:50:46,846 INFO L902 garLoopResultBuilder]: At program point L4244(line 4244) the Hoare annotation is: true [2022-11-16 12:50:46,846 INFO L902 garLoopResultBuilder]: At program point L4302(line 4302) the Hoare annotation is: true [2022-11-16 12:50:46,846 INFO L902 garLoopResultBuilder]: At program point L4298(line 4298) the Hoare annotation is: true [2022-11-16 12:50:46,846 INFO L899 garLoopResultBuilder]: For program point pf_identifyFINAL(lines 4259 4323) no Hoare annotation was computed. [2022-11-16 12:50:46,847 INFO L902 garLoopResultBuilder]: At program point L4298-1(line 4298) the Hoare annotation is: true [2022-11-16 12:50:46,847 INFO L899 garLoopResultBuilder]: For program point L4290(lines 4290 4294) no Hoare annotation was computed. [2022-11-16 12:50:46,847 INFO L899 garLoopResultBuilder]: For program point L4290-2(lines 4290 4294) no Hoare annotation was computed. [2022-11-16 12:50:46,847 INFO L899 garLoopResultBuilder]: For program point L4311(lines 4311 4320) no Hoare annotation was computed. [2022-11-16 12:50:46,847 INFO L899 garLoopResultBuilder]: For program point L4249(lines 4249 4253) no Hoare annotation was computed. [2022-11-16 12:50:46,847 INFO L899 garLoopResultBuilder]: For program point L4307(lines 4307 4310) no Hoare annotation was computed. [2022-11-16 12:50:46,847 INFO L902 garLoopResultBuilder]: At program point L4245(line 4245) the Hoare annotation is: true [2022-11-16 12:50:46,848 INFO L899 garLoopResultBuilder]: For program point L4311-2(lines 4311 4320) no Hoare annotation was computed. [2022-11-16 12:50:46,848 INFO L899 garLoopResultBuilder]: For program point L4245-1(line 4245) no Hoare annotation was computed. [2022-11-16 12:50:46,848 INFO L899 garLoopResultBuilder]: For program point L4303(line 4303) no Hoare annotation was computed. [2022-11-16 12:50:46,848 INFO L895 garLoopResultBuilder]: At program point pf_identifyENTRY(lines 4259 4323) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0))) (.cse5 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) (not (<= ~ldv_state_variable_1~0 1)) .cse4 .cse5))) [2022-11-16 12:50:46,848 INFO L899 garLoopResultBuilder]: For program point L4307-2(lines 4307 4310) no Hoare annotation was computed. [2022-11-16 12:50:46,849 INFO L899 garLoopResultBuilder]: For program point L4299(line 4299) no Hoare annotation was computed. [2022-11-16 12:50:46,849 INFO L902 garLoopResultBuilder]: At program point L4283(line 4283) the Hoare annotation is: true [2022-11-16 12:50:46,849 INFO L899 garLoopResultBuilder]: For program point L4283-1(line 4283) no Hoare annotation was computed. [2022-11-16 12:50:46,849 INFO L902 garLoopResultBuilder]: At program point L4246(line 4246) the Hoare annotation is: true [2022-11-16 12:50:46,849 INFO L899 garLoopResultBuilder]: For program point L4246-1(line 4246) no Hoare annotation was computed. [2022-11-16 12:50:46,849 INFO L902 garLoopResultBuilder]: At program point L4238(line 4238) the Hoare annotation is: true [2022-11-16 12:50:46,849 INFO L899 garLoopResultBuilder]: For program point L4238-1(line 4238) no Hoare annotation was computed. [2022-11-16 12:50:46,849 INFO L899 garLoopResultBuilder]: For program point pf_sleepEXIT(lines 4054 4060) no Hoare annotation was computed. [2022-11-16 12:50:46,849 INFO L902 garLoopResultBuilder]: At program point L5718(lines 5717 5719) the Hoare annotation is: true [2022-11-16 12:50:46,849 INFO L899 garLoopResultBuilder]: For program point pf_sleepFINAL(lines 4054 4060) no Hoare annotation was computed. [2022-11-16 12:50:46,849 INFO L902 garLoopResultBuilder]: At program point pf_sleepENTRY(lines 4054 4060) the Hoare annotation is: true [2022-11-16 12:50:46,849 INFO L899 garLoopResultBuilder]: For program point pf_mode_senseEXIT(lines 4138 4162) no Hoare annotation was computed. [2022-11-16 12:50:46,849 INFO L899 garLoopResultBuilder]: For program point L4156(lines 4156 4159) no Hoare annotation was computed. [2022-11-16 12:50:46,850 INFO L902 garLoopResultBuilder]: At program point L4154(line 4154) the Hoare annotation is: true [2022-11-16 12:50:46,850 INFO L899 garLoopResultBuilder]: For program point L4156-2(lines 4156 4159) no Hoare annotation was computed. [2022-11-16 12:50:46,850 INFO L899 garLoopResultBuilder]: For program point L4154-1(line 4154) no Hoare annotation was computed. [2022-11-16 12:50:46,850 INFO L895 garLoopResultBuilder]: At program point pf_mode_senseENTRY(lines 4138 4162) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0))) (.cse5 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) (not (<= ~ldv_state_variable_1~0 1)) .cse4 .cse5))) [2022-11-16 12:50:46,850 INFO L899 garLoopResultBuilder]: For program point pf_mode_senseFINAL(lines 4138 4162) no Hoare annotation was computed. [2022-11-16 12:50:46,850 INFO L899 garLoopResultBuilder]: For program point L5647(line 5647) no Hoare annotation was computed. [2022-11-16 12:50:46,850 INFO L895 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 5645 5649) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= ~ldv_state_variable_0~0 1)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (not (= ~ldv_mutex_pf_mutex~0 1)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-16 12:50:46,850 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 5645 5649) no Hoare annotation was computed. [2022-11-16 12:50:46,851 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 5645 5649) no Hoare annotation was computed. [2022-11-16 12:50:46,851 INFO L899 garLoopResultBuilder]: For program point pi_write_blockEXIT(lines 5695 5697) no Hoare annotation was computed. [2022-11-16 12:50:46,851 INFO L902 garLoopResultBuilder]: At program point pi_write_blockENTRY(lines 5695 5697) the Hoare annotation is: true [2022-11-16 12:50:46,851 INFO L899 garLoopResultBuilder]: For program point pi_write_blockFINAL(lines 5695 5697) no Hoare annotation was computed. [2022-11-16 12:50:46,851 INFO L899 garLoopResultBuilder]: For program point L5583(lines 5583 5586) no Hoare annotation was computed. [2022-11-16 12:50:46,851 INFO L895 garLoopResultBuilder]: At program point L5585(line 5585) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= 2 |old(~ldv_mutex_pf_mutex~0)|)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-16 12:50:46,851 INFO L899 garLoopResultBuilder]: For program point L5585-1(lines 5583 5586) no Hoare annotation was computed. [2022-11-16 12:50:46,852 INFO L899 garLoopResultBuilder]: For program point ldv_mutex_unlock_pf_mutexEXIT(lines 5580 5590) no Hoare annotation was computed. [2022-11-16 12:50:46,852 INFO L895 garLoopResultBuilder]: At program point ldv_mutex_unlock_pf_mutexENTRY(lines 5580 5590) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= 2 |old(~ldv_mutex_pf_mutex~0)|)) (not (= ~ldv_retval_pf_init~0 0)) (= |old(~ldv_mutex_pf_mutex~0)| ~ldv_mutex_pf_mutex~0)) [2022-11-16 12:50:46,852 INFO L899 garLoopResultBuilder]: For program point ldv_mutex_unlock_pf_mutexFINAL(lines 5580 5590) no Hoare annotation was computed. [2022-11-16 12:50:46,852 INFO L899 garLoopResultBuilder]: For program point pf_check_eventsFINAL(lines 3788 3793) no Hoare annotation was computed. [2022-11-16 12:50:46,852 INFO L899 garLoopResultBuilder]: For program point pf_check_eventsEXIT(lines 3788 3793) no Hoare annotation was computed. [2022-11-16 12:50:46,852 INFO L902 garLoopResultBuilder]: At program point pf_check_eventsENTRY(lines 3788 3793) the Hoare annotation is: true [2022-11-16 12:50:46,852 INFO L899 garLoopResultBuilder]: For program point pi_initEXIT(lines 5682 5684) no Hoare annotation was computed. [2022-11-16 12:50:46,852 INFO L902 garLoopResultBuilder]: At program point pi_initENTRY(lines 5682 5684) the Hoare annotation is: true [2022-11-16 12:50:46,853 INFO L899 garLoopResultBuilder]: For program point pi_initFINAL(lines 5682 5684) no Hoare annotation was computed. [2022-11-16 12:50:46,853 INFO L902 garLoopResultBuilder]: At program point unregister_blkdevENTRY(lines 5720 5722) the Hoare annotation is: true [2022-11-16 12:50:46,853 INFO L899 garLoopResultBuilder]: For program point unregister_blkdevEXIT(lines 5720 5722) no Hoare annotation was computed. [2022-11-16 12:50:46,853 INFO L899 garLoopResultBuilder]: For program point unregister_blkdevFINAL(lines 5720 5722) no Hoare annotation was computed. [2022-11-16 12:50:46,853 INFO L902 garLoopResultBuilder]: At program point pi_read_regrENTRY(lines 5689 5691) the Hoare annotation is: true [2022-11-16 12:50:46,853 INFO L899 garLoopResultBuilder]: For program point pi_read_regrFINAL(lines 5689 5691) no Hoare annotation was computed. [2022-11-16 12:50:46,853 INFO L899 garLoopResultBuilder]: For program point pi_read_regrEXIT(lines 5689 5691) no Hoare annotation was computed. [2022-11-16 12:50:46,854 INFO L902 garLoopResultBuilder]: At program point mutex_unlockENTRY(lines 5669 5671) the Hoare annotation is: true [2022-11-16 12:50:46,854 INFO L899 garLoopResultBuilder]: For program point mutex_unlockEXIT(lines 5669 5671) no Hoare annotation was computed. [2022-11-16 12:50:46,854 INFO L899 garLoopResultBuilder]: For program point mutex_unlockFINAL(lines 5669 5671) no Hoare annotation was computed. [2022-11-16 12:50:46,854 INFO L899 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 5162 5167) no Hoare annotation was computed. [2022-11-16 12:50:46,854 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 5162 5167) the Hoare annotation is: true [2022-11-16 12:50:46,854 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5165) no Hoare annotation was computed. [2022-11-16 12:50:46,854 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 5162 5167) no Hoare annotation was computed. [2022-11-16 12:50:46,855 INFO L902 garLoopResultBuilder]: At program point pi_connectENTRY(lines 5672 5674) the Hoare annotation is: true [2022-11-16 12:50:46,855 INFO L899 garLoopResultBuilder]: For program point pi_connectEXIT(lines 5672 5674) no Hoare annotation was computed. [2022-11-16 12:50:46,855 INFO L899 garLoopResultBuilder]: For program point pi_connectFINAL(lines 5672 5674) no Hoare annotation was computed. [2022-11-16 12:50:46,855 INFO L899 garLoopResultBuilder]: For program point put_diskFINAL(lines 5705 5707) no Hoare annotation was computed. [2022-11-16 12:50:46,855 INFO L902 garLoopResultBuilder]: At program point put_diskENTRY(lines 5705 5707) the Hoare annotation is: true [2022-11-16 12:50:46,855 INFO L899 garLoopResultBuilder]: For program point put_diskEXIT(lines 5705 5707) no Hoare annotation was computed. [2022-11-16 12:50:46,855 INFO L899 garLoopResultBuilder]: For program point get_capacityEXIT(lines 3441 3446) no Hoare annotation was computed. [2022-11-16 12:50:46,856 INFO L902 garLoopResultBuilder]: At program point get_capacityENTRY(lines 3441 3446) the Hoare annotation is: true [2022-11-16 12:50:46,856 INFO L899 garLoopResultBuilder]: For program point get_capacityFINAL(lines 3441 3446) no Hoare annotation was computed. [2022-11-16 12:50:46,856 INFO L899 garLoopResultBuilder]: For program point set_capacityEXIT(lines 3447 3453) no Hoare annotation was computed. [2022-11-16 12:50:46,856 INFO L895 garLoopResultBuilder]: At program point set_capacityENTRY(lines 3447 3453) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (.cse2 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse4 (not (= ~disable~0 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) (not (<= ~ldv_state_variable_1~0 1)) .cse5))) [2022-11-16 12:50:46,856 INFO L899 garLoopResultBuilder]: For program point set_capacityFINAL(lines 3447 3453) no Hoare annotation was computed. [2022-11-16 12:50:46,856 INFO L899 garLoopResultBuilder]: For program point L4030(line 4030) no Hoare annotation was computed. [2022-11-16 12:50:46,856 INFO L899 garLoopResultBuilder]: For program point L4025(lines 4025 4029) no Hoare annotation was computed. [2022-11-16 12:50:46,857 INFO L899 garLoopResultBuilder]: For program point pf_lockEXIT(lines 4009 4033) no Hoare annotation was computed. [2022-11-16 12:50:46,857 INFO L902 garLoopResultBuilder]: At program point L4025-2(lines 4025 4029) the Hoare annotation is: true [2022-11-16 12:50:46,857 INFO L895 garLoopResultBuilder]: At program point pf_lockENTRY(lines 4009 4033) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= 2 ~ldv_mutex_pf_mutex~0)) (not (= ~ldv_retval_pf_init~0 0)) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))) [2022-11-16 12:50:46,857 INFO L899 garLoopResultBuilder]: For program point pf_lockFINAL(lines 4009 4033) no Hoare annotation was computed. [2022-11-16 12:50:46,857 INFO L902 garLoopResultBuilder]: At program point L3964(line 3964) the Hoare annotation is: true [2022-11-16 12:50:46,857 INFO L899 garLoopResultBuilder]: For program point L3964-1(line 3964) no Hoare annotation was computed. [2022-11-16 12:50:46,858 INFO L899 garLoopResultBuilder]: For program point L3956(lines 3956 3960) no Hoare annotation was computed. [2022-11-16 12:50:46,858 INFO L895 garLoopResultBuilder]: At program point L3952(lines 3948 3962) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4))) [2022-11-16 12:50:46,858 INFO L902 garLoopResultBuilder]: At program point L3946(lines 3946 3962) the Hoare annotation is: true [2022-11-16 12:50:46,858 INFO L899 garLoopResultBuilder]: For program point L3967-1(lines 3967 3971) no Hoare annotation was computed. [2022-11-16 12:50:46,858 INFO L899 garLoopResultBuilder]: For program point L3963-1(lines 3932 3973) no Hoare annotation was computed. [2022-11-16 12:50:46,858 INFO L902 garLoopResultBuilder]: At program point L3959(lines 3932 3973) the Hoare annotation is: true [2022-11-16 12:50:46,859 INFO L899 garLoopResultBuilder]: For program point pf_req_senseFINAL(lines 3926 3974) no Hoare annotation was computed. [2022-11-16 12:50:46,859 INFO L895 garLoopResultBuilder]: At program point L3957(lines 3948 3962) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4))) [2022-11-16 12:50:46,859 INFO L899 garLoopResultBuilder]: For program point L3945-1(line 3945) no Hoare annotation was computed. [2022-11-16 12:50:46,859 INFO L899 garLoopResultBuilder]: For program point pf_req_senseEXIT(lines 3926 3974) no Hoare annotation was computed. [2022-11-16 12:50:46,859 INFO L902 garLoopResultBuilder]: At program point L3945(line 3945) the Hoare annotation is: true [2022-11-16 12:50:46,859 INFO L895 garLoopResultBuilder]: At program point pf_req_senseENTRY(lines 3926 3974) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= ~disable~0 0))) (.cse4 (not (= ~ldv_retval_pf_init~0 0))) (.cse5 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 2 ~ldv_mutex_pf_mutex~0)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse4 .cse5))) [2022-11-16 12:50:46,860 INFO L902 garLoopResultBuilder]: At program point L3904(line 3904) the Hoare annotation is: true [2022-11-16 12:50:46,860 INFO L899 garLoopResultBuilder]: For program point L3906-1(line 3906) no Hoare annotation was computed. [2022-11-16 12:50:46,860 INFO L899 garLoopResultBuilder]: For program point L3904-1(line 3904) no Hoare annotation was computed. [2022-11-16 12:50:46,860 INFO L899 garLoopResultBuilder]: For program point L3917-1(line 3917) no Hoare annotation was computed. [2022-11-16 12:50:46,860 INFO L902 garLoopResultBuilder]: At program point L3917(line 3917) the Hoare annotation is: true [2022-11-16 12:50:46,860 INFO L899 garLoopResultBuilder]: For program point pf_completionFINAL(lines 3893 3925) no Hoare annotation was computed. [2022-11-16 12:50:46,860 INFO L899 garLoopResultBuilder]: For program point L3911-1(line 3911) no Hoare annotation was computed. [2022-11-16 12:50:46,861 INFO L902 garLoopResultBuilder]: At program point L3911(line 3911) the Hoare annotation is: true [2022-11-16 12:50:46,861 INFO L899 garLoopResultBuilder]: For program point L3909-1(line 3909) no Hoare annotation was computed. [2022-11-16 12:50:46,861 INFO L902 garLoopResultBuilder]: At program point L3909(line 3909) the Hoare annotation is: true [2022-11-16 12:50:46,861 INFO L899 garLoopResultBuilder]: For program point L3907(lines 3907 3913) no Hoare annotation was computed. [2022-11-16 12:50:46,861 INFO L902 garLoopResultBuilder]: At program point L3905-1(lines 3905 3915) the Hoare annotation is: true [2022-11-16 12:50:46,861 INFO L899 garLoopResultBuilder]: For program point L3905(lines 3905 3915) no Hoare annotation was computed. [2022-11-16 12:50:46,861 INFO L899 garLoopResultBuilder]: For program point L3903-1(line 3903) no Hoare annotation was computed. [2022-11-16 12:50:46,861 INFO L902 garLoopResultBuilder]: At program point L3903(line 3903) the Hoare annotation is: true [2022-11-16 12:50:46,862 INFO L899 garLoopResultBuilder]: For program point L3918(lines 3918 3922) no Hoare annotation was computed. [2022-11-16 12:50:46,862 INFO L899 garLoopResultBuilder]: For program point pf_completionEXIT(lines 3893 3925) no Hoare annotation was computed. [2022-11-16 12:50:46,862 INFO L899 garLoopResultBuilder]: For program point L3916(line 3916) no Hoare annotation was computed. [2022-11-16 12:50:46,862 INFO L899 garLoopResultBuilder]: For program point L3918-2(lines 3918 3922) no Hoare annotation was computed. [2022-11-16 12:50:46,862 INFO L902 garLoopResultBuilder]: At program point pf_completionENTRY(lines 3893 3925) the Hoare annotation is: true [2022-11-16 12:50:46,862 INFO L899 garLoopResultBuilder]: For program point L3910(line 3910) no Hoare annotation was computed. [2022-11-16 12:50:46,862 INFO L902 garLoopResultBuilder]: At program point L3908(line 3908) the Hoare annotation is: true [2022-11-16 12:50:46,862 INFO L899 garLoopResultBuilder]: For program point L3910-2(line 3910) no Hoare annotation was computed. [2022-11-16 12:50:46,863 INFO L902 garLoopResultBuilder]: At program point L3906(line 3906) the Hoare annotation is: true [2022-11-16 12:50:46,863 INFO L899 garLoopResultBuilder]: For program point L3910-4(line 3910) no Hoare annotation was computed. [2022-11-16 12:50:46,863 INFO L899 garLoopResultBuilder]: For program point L3908-1(line 3908) no Hoare annotation was computed. [2022-11-16 12:50:46,863 INFO L902 garLoopResultBuilder]: At program point L4209(lines 4202 4217) the Hoare annotation is: true [2022-11-16 12:50:46,863 INFO L899 garLoopResultBuilder]: For program point xlEXIT(lines 4199 4218) no Hoare annotation was computed. [2022-11-16 12:50:46,863 INFO L902 garLoopResultBuilder]: At program point L4211(lines 4202 4217) the Hoare annotation is: true [2022-11-16 12:50:46,863 INFO L902 garLoopResultBuilder]: At program point xlENTRY(lines 4199 4218) the Hoare annotation is: true [2022-11-16 12:50:46,864 INFO L899 garLoopResultBuilder]: For program point xlFINAL(lines 4199 4218) no Hoare annotation was computed. [2022-11-16 12:50:46,864 INFO L902 garLoopResultBuilder]: At program point L4213(lines 4202 4217) the Hoare annotation is: true [2022-11-16 12:50:46,864 INFO L902 garLoopResultBuilder]: At program point mutex_lockENTRY(lines 5662 5664) the Hoare annotation is: true [2022-11-16 12:50:46,864 INFO L899 garLoopResultBuilder]: For program point mutex_lockFINAL(lines 5662 5664) no Hoare annotation was computed. [2022-11-16 12:50:46,864 INFO L899 garLoopResultBuilder]: For program point mutex_lockEXIT(lines 5662 5664) no Hoare annotation was computed. [2022-11-16 12:50:46,864 INFO L895 garLoopResultBuilder]: At program point L4891(line 4891) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,864 INFO L899 garLoopResultBuilder]: For program point L4891-1(line 4891) no Hoare annotation was computed. [2022-11-16 12:50:46,865 INFO L895 garLoopResultBuilder]: At program point L3702(line 3702) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2022-11-16 12:50:46,865 INFO L895 garLoopResultBuilder]: At program point L4825(lines 4813 4829) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,865 INFO L899 garLoopResultBuilder]: For program point L3702-1(line 3702) no Hoare annotation was computed. [2022-11-16 12:50:46,865 INFO L895 garLoopResultBuilder]: At program point L5618(line 5618) the Hoare annotation is: false [2022-11-16 12:50:46,865 INFO L902 garLoopResultBuilder]: At program point L5618-1(lines 5601 5622) the Hoare annotation is: true [2022-11-16 12:50:46,865 INFO L895 garLoopResultBuilder]: At program point L5156(lines 5152 5159) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,865 INFO L899 garLoopResultBuilder]: For program point L4892-1(line 4892) no Hoare annotation was computed. [2022-11-16 12:50:46,866 INFO L895 garLoopResultBuilder]: At program point L4892(line 4892) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,866 INFO L899 garLoopResultBuilder]: For program point L4992(line 4992) no Hoare annotation was computed. [2022-11-16 12:50:46,866 INFO L895 garLoopResultBuilder]: At program point L4893(lines 4880 4905) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,866 INFO L899 garLoopResultBuilder]: For program point L3704(lines 3704 3707) no Hoare annotation was computed. [2022-11-16 12:50:46,866 INFO L895 garLoopResultBuilder]: At program point L5654(line 5654) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,866 INFO L899 garLoopResultBuilder]: For program point L5654-1(line 5654) no Hoare annotation was computed. [2022-11-16 12:50:46,867 INFO L895 garLoopResultBuilder]: At program point L5654-2(lines 5653 5655) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,867 INFO L899 garLoopResultBuilder]: For program point L4432(lines 4432 4435) no Hoare annotation was computed. [2022-11-16 12:50:46,867 INFO L899 garLoopResultBuilder]: For program point L5027(line 5027) no Hoare annotation was computed. [2022-11-16 12:50:46,867 INFO L899 garLoopResultBuilder]: For program point L4961(line 4961) no Hoare annotation was computed. [2022-11-16 12:50:46,867 INFO L899 garLoopResultBuilder]: For program point L4962(lines 4962 4966) no Hoare annotation was computed. [2022-11-16 12:50:46,867 INFO L899 garLoopResultBuilder]: For program point L4962-2(lines 4936 4994) no Hoare annotation was computed. [2022-11-16 12:50:46,867 INFO L895 garLoopResultBuilder]: At program point L4896(lines 4880 4905) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,868 INFO L895 garLoopResultBuilder]: At program point L4963(line 4963) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,868 INFO L899 garLoopResultBuilder]: For program point L4963-1(line 4963) no Hoare annotation was computed. [2022-11-16 12:50:46,868 INFO L899 garLoopResultBuilder]: For program point L3774(lines 3774 3778) no Hoare annotation was computed. [2022-11-16 12:50:46,868 INFO L895 garLoopResultBuilder]: At program point L4864(lines 4800 4875) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_~unit~2#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,868 INFO L895 garLoopResultBuilder]: At program point L5657(lines 5656 5658) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,868 INFO L895 garLoopResultBuilder]: At program point L4898(lines 4880 4905) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,868 INFO L899 garLoopResultBuilder]: For program point L4832(lines 4832 4850) no Hoare annotation was computed. [2022-11-16 12:50:46,869 INFO L899 garLoopResultBuilder]: For program point L3709(lines 3709 3712) no Hoare annotation was computed. [2022-11-16 12:50:46,869 INFO L899 garLoopResultBuilder]: For program point L4436-1(lines 4436 4437) no Hoare annotation was computed. [2022-11-16 12:50:46,869 INFO L895 garLoopResultBuilder]: At program point L4436(lines 4436 4437) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,869 INFO L899 garLoopResultBuilder]: For program point L4932(lines 4932 5036) no Hoare annotation was computed. [2022-11-16 12:50:46,869 INFO L895 garLoopResultBuilder]: At program point L4833(line 4833) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,869 INFO L899 garLoopResultBuilder]: For program point L4833-1(line 4833) no Hoare annotation was computed. [2022-11-16 12:50:46,869 INFO L899 garLoopResultBuilder]: For program point L4999(line 4999) no Hoare annotation was computed. [2022-11-16 12:50:46,870 INFO L895 garLoopResultBuilder]: At program point L4867(lines 4800 4875) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,870 INFO L899 garLoopResultBuilder]: For program point L4933(line 4933) no Hoare annotation was computed. [2022-11-16 12:50:46,870 INFO L895 garLoopResultBuilder]: At program point L4900(lines 4880 4905) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,870 INFO L899 garLoopResultBuilder]: For program point L4801(lines 4801 4804) no Hoare annotation was computed. [2022-11-16 12:50:46,870 INFO L895 garLoopResultBuilder]: At program point L5660(lines 5659 5661) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,870 INFO L899 garLoopResultBuilder]: For program point L4438(lines 4438 4451) no Hoare annotation was computed. [2022-11-16 12:50:46,871 INFO L899 garLoopResultBuilder]: For program point L4934(lines 4934 4997) no Hoare annotation was computed. [2022-11-16 12:50:46,871 INFO L899 garLoopResultBuilder]: For program point L5000(lines 5000 5032) no Hoare annotation was computed. [2022-11-16 12:50:46,871 INFO L899 garLoopResultBuilder]: For program point L3679(lines 3679 3682) no Hoare annotation was computed. [2022-11-16 12:50:46,871 INFO L899 garLoopResultBuilder]: For program point L4439(lines 4439 4449) no Hoare annotation was computed. [2022-11-16 12:50:46,871 INFO L899 garLoopResultBuilder]: For program point L4472-1(line 4472) no Hoare annotation was computed. [2022-11-16 12:50:46,871 INFO L895 garLoopResultBuilder]: At program point L4472(line 4472) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,871 INFO L899 garLoopResultBuilder]: For program point L5034(line 5034) no Hoare annotation was computed. [2022-11-16 12:50:46,872 INFO L899 garLoopResultBuilder]: For program point L4968-1(line 4968) no Hoare annotation was computed. [2022-11-16 12:50:46,872 INFO L895 garLoopResultBuilder]: At program point L4968(line 4968) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,872 INFO L895 garLoopResultBuilder]: At program point L4869(lines 4800 4875) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_~unit~2#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,872 INFO L899 garLoopResultBuilder]: For program point L4440-1(line 4440) no Hoare annotation was computed. [2022-11-16 12:50:46,872 INFO L895 garLoopResultBuilder]: At program point L4440(line 4440) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,872 INFO L899 garLoopResultBuilder]: For program point L5002(lines 5002 5029) no Hoare annotation was computed. [2022-11-16 12:50:46,873 INFO L899 garLoopResultBuilder]: For program point L4936(lines 4936 4994) no Hoare annotation was computed. [2022-11-16 12:50:46,873 INFO L899 garLoopResultBuilder]: For program point L3780(line 3780) no Hoare annotation was computed. [2022-11-16 12:50:46,873 INFO L899 garLoopResultBuilder]: For program point L3780-2(lines 3780 3783) no Hoare annotation was computed. [2022-11-16 12:50:46,873 INFO L899 garLoopResultBuilder]: For program point L3780-3(lines 3780 3783) no Hoare annotation was computed. [2022-11-16 12:50:46,873 INFO L899 garLoopResultBuilder]: For program point L4441(lines 4441 4446) no Hoare annotation was computed. [2022-11-16 12:50:46,873 INFO L899 garLoopResultBuilder]: For program point L5003(line 5003) no Hoare annotation was computed. [2022-11-16 12:50:46,873 INFO L895 garLoopResultBuilder]: At program point L4871(lines 4800 4875) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,874 INFO L895 garLoopResultBuilder]: At program point L4838(line 4838) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_~unit~2#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,874 INFO L899 garLoopResultBuilder]: For program point L4937(line 4937) no Hoare annotation was computed. [2022-11-16 12:50:46,874 INFO L895 garLoopResultBuilder]: At program point L4904(lines 4877 4906) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,874 INFO L895 garLoopResultBuilder]: At program point L3781(line 3781) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2022-11-16 12:50:46,874 INFO L899 garLoopResultBuilder]: For program point L4838-1(line 4838) no Hoare annotation was computed. [2022-11-16 12:50:46,874 INFO L899 garLoopResultBuilder]: For program point L3715(lines 3715 3718) no Hoare annotation was computed. [2022-11-16 12:50:46,874 INFO L895 garLoopResultBuilder]: At program point L5598(lines 5591 5600) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_state_variable_1~0 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~pf_drive_count~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,875 INFO L895 garLoopResultBuilder]: At program point L4475(lines 4409 4483) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,875 INFO L899 garLoopResultBuilder]: For program point L4938(lines 4938 4942) no Hoare annotation was computed. [2022-11-16 12:50:46,875 INFO L895 garLoopResultBuilder]: At program point L5037(lines 4925 5042) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,875 INFO L899 garLoopResultBuilder]: For program point L5004(lines 5004 5009) no Hoare annotation was computed. [2022-11-16 12:50:46,875 INFO L899 garLoopResultBuilder]: For program point L4938-2(lines 4936 4994) no Hoare annotation was computed. [2022-11-16 12:50:46,875 INFO L895 garLoopResultBuilder]: At program point L3716(line 3716) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2022-11-16 12:50:46,876 INFO L895 garLoopResultBuilder]: At program point L3683(lines 3657 3694) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_units_~unit~0#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,876 INFO L895 garLoopResultBuilder]: At program point L4939(line 4939) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,876 INFO L899 garLoopResultBuilder]: For program point L4939-1(line 4939) no Hoare annotation was computed. [2022-11-16 12:50:46,876 INFO L899 garLoopResultBuilder]: For program point L4807(lines 4807 4810) no Hoare annotation was computed. [2022-11-16 12:50:46,876 INFO L895 garLoopResultBuilder]: At program point L4477(lines 4409 4483) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,876 INFO L895 garLoopResultBuilder]: At program point L4874(lines 4794 4876) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,877 INFO L899 garLoopResultBuilder]: For program point L4973(line 4973) no Hoare annotation was computed. [2022-11-16 12:50:46,877 INFO L895 garLoopResultBuilder]: At program point L4841(lines 4832 4849) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,877 INFO L895 garLoopResultBuilder]: At program point L4445(line 4445) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,877 INFO L899 garLoopResultBuilder]: For program point L4445-1(line 4445) no Hoare annotation was computed. [2022-11-16 12:50:46,877 INFO L895 garLoopResultBuilder]: At program point L5139(line 5139) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,877 INFO L895 garLoopResultBuilder]: At program point L5139-1(line 5139) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2022-11-16 12:50:46,878 INFO L899 garLoopResultBuilder]: For program point L4974(lines 4974 4979) no Hoare annotation was computed. [2022-11-16 12:50:46,878 INFO L895 garLoopResultBuilder]: At program point L3785(lines 3769 3787) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,878 INFO L895 garLoopResultBuilder]: At program point L3686(lines 3657 3694) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,878 INFO L895 garLoopResultBuilder]: At program point L3719(lines 3699 3722) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2022-11-16 12:50:46,878 INFO L895 garLoopResultBuilder]: At program point L4479(lines 4409 4483) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,878 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 12:50:46,879 INFO L895 garLoopResultBuilder]: At program point L5107(line 5107) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,879 INFO L895 garLoopResultBuilder]: At program point L5107-1(line 5107) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2022-11-16 12:50:46,879 INFO L895 garLoopResultBuilder]: At program point L5140(lines 5136 5143) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2022-11-16 12:50:46,879 INFO L902 garLoopResultBuilder]: At program point L5041(lines 4921 5043) the Hoare annotation is: true [2022-11-16 12:50:46,879 INFO L895 garLoopResultBuilder]: At program point L4843(lines 4832 4849) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_~unit~2#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,879 INFO L899 garLoopResultBuilder]: For program point L4414(lines 4414 4462) no Hoare annotation was computed. [2022-11-16 12:50:46,880 INFO L895 garLoopResultBuilder]: At program point L5108(lines 5104 5111) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2022-11-16 12:50:46,880 INFO L895 garLoopResultBuilder]: At program point L3688(lines 3657 3694) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_units_~unit~0#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,880 INFO L895 garLoopResultBuilder]: At program point L3721(lines 3696 3723) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,880 INFO L899 garLoopResultBuilder]: For program point L5604(lines 5604 5607) no Hoare annotation was computed. [2022-11-16 12:50:46,880 INFO L895 garLoopResultBuilder]: At program point L4415(lines 4415 4416) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~pf_drive_count~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,880 INFO L899 garLoopResultBuilder]: For program point L4448-1(line 4448) no Hoare annotation was computed. [2022-11-16 12:50:46,881 INFO L899 garLoopResultBuilder]: For program point L4415-1(lines 4415 4416) no Hoare annotation was computed. [2022-11-16 12:50:46,881 INFO L895 garLoopResultBuilder]: At program point L4448(line 4448) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,881 INFO L899 garLoopResultBuilder]: For program point L4944-1(line 4944) no Hoare annotation was computed. [2022-11-16 12:50:46,881 INFO L895 garLoopResultBuilder]: At program point L4944(line 4944) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,881 INFO L895 garLoopResultBuilder]: At program point L4845(lines 4832 4849) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,881 INFO L895 garLoopResultBuilder]: At program point L5638(lines 5637 5639) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_~unit~2#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,882 INFO L895 garLoopResultBuilder]: At program point L4482(lines 4400 4484) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,882 INFO L899 garLoopResultBuilder]: For program point L5011(line 5011) no Hoare annotation was computed. [2022-11-16 12:50:46,882 INFO L895 garLoopResultBuilder]: At program point L3690(lines 3652 3695) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,882 INFO L899 garLoopResultBuilder]: For program point L4813(lines 4813 4830) no Hoare annotation was computed. [2022-11-16 12:50:46,882 INFO L895 garLoopResultBuilder]: At program point L5606(line 5606) the Hoare annotation is: false [2022-11-16 12:50:46,882 INFO L899 garLoopResultBuilder]: For program point L5606-1(lines 5603 5621) no Hoare annotation was computed. [2022-11-16 12:50:46,882 INFO L899 garLoopResultBuilder]: For program point L4417(lines 4417 4426) no Hoare annotation was computed. [2022-11-16 12:50:46,883 INFO L899 garLoopResultBuilder]: For program point L5012(lines 5012 5025) no Hoare annotation was computed. [2022-11-16 12:50:46,883 INFO L895 garLoopResultBuilder]: At program point L4418(line 4418) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~pf_drive_count~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,883 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 12:50:46,883 INFO L899 garLoopResultBuilder]: For program point L4418-1(line 4418) no Hoare annotation was computed. [2022-11-16 12:50:46,883 INFO L895 garLoopResultBuilder]: At program point L4881(line 4881) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,883 INFO L899 garLoopResultBuilder]: For program point L4881-1(line 4881) no Hoare annotation was computed. [2022-11-16 12:50:46,883 INFO L895 garLoopResultBuilder]: At program point L5641(lines 5640 5642) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,884 INFO L899 garLoopResultBuilder]: For program point L4419(line 4419) no Hoare annotation was computed. [2022-11-16 12:50:46,884 INFO L895 garLoopResultBuilder]: At program point L4452(lines 4427 4462) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,884 INFO L899 garLoopResultBuilder]: For program point L4419-2(lines 4419 4424) no Hoare annotation was computed. [2022-11-16 12:50:46,884 INFO L899 garLoopResultBuilder]: For program point L5014(lines 5014 5018) no Hoare annotation was computed. [2022-11-16 12:50:46,884 INFO L899 garLoopResultBuilder]: For program point L4981(line 4981) no Hoare annotation was computed. [2022-11-16 12:50:46,884 INFO L899 garLoopResultBuilder]: For program point L5014-2(lines 5012 5024) no Hoare annotation was computed. [2022-11-16 12:50:46,884 INFO L895 garLoopResultBuilder]: At program point L5147(line 5147) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2022-11-16 12:50:46,885 INFO L895 garLoopResultBuilder]: At program point L5147-1(line 5147) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,885 INFO L899 garLoopResultBuilder]: For program point L4982(lines 4982 4990) no Hoare annotation was computed. [2022-11-16 12:50:46,885 INFO L899 garLoopResultBuilder]: For program point L4949(line 4949) no Hoare annotation was computed. [2022-11-16 12:50:46,885 INFO L895 garLoopResultBuilder]: At program point L5610(line 5610) the Hoare annotation is: false [2022-11-16 12:50:46,885 INFO L899 garLoopResultBuilder]: For program point L5610-1(lines 5603 5621) no Hoare annotation was computed. [2022-11-16 12:50:46,885 INFO L895 garLoopResultBuilder]: At program point L5115(line 5115) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2022-11-16 12:50:46,886 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 12:50:46,886 INFO L895 garLoopResultBuilder]: At program point L5115-1(line 5115) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,886 INFO L895 garLoopResultBuilder]: At program point L5148(lines 5144 5151) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,886 INFO L899 garLoopResultBuilder]: For program point L4950(lines 4950 4954) no Hoare annotation was computed. [2022-11-16 12:50:46,886 INFO L895 garLoopResultBuilder]: At program point L4818(line 4818) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_~unit~2#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,886 INFO L899 garLoopResultBuilder]: For program point L4950-2(lines 4936 4994) no Hoare annotation was computed. [2022-11-16 12:50:46,887 INFO L895 garLoopResultBuilder]: At program point L5710(lines 5709 5711) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,887 INFO L899 garLoopResultBuilder]: For program point L4818-1(line 4818) no Hoare annotation was computed. [2022-11-16 12:50:46,887 INFO L895 garLoopResultBuilder]: At program point L4455(lines 4427 4462) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,887 INFO L895 garLoopResultBuilder]: At program point L5116(lines 5112 5119) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,887 INFO L895 garLoopResultBuilder]: At program point L4951(line 4951) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (<= ~ldv_state_variable_1~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,887 INFO L899 garLoopResultBuilder]: For program point L4951-1(line 4951) no Hoare annotation was computed. [2022-11-16 12:50:46,887 INFO L899 garLoopResultBuilder]: For program point L4984(lines 4984 4988) no Hoare annotation was computed. [2022-11-16 12:50:46,888 INFO L895 garLoopResultBuilder]: At program point L4423(line 4423) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= 0 |ULTIMATE.start_pf_detect_~k~3#1|) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,888 INFO L899 garLoopResultBuilder]: For program point L4423-1(line 4423) no Hoare annotation was computed. [2022-11-16 12:50:46,888 INFO L899 garLoopResultBuilder]: For program point L4886(lines 4886 4889) no Hoare annotation was computed. [2022-11-16 12:50:46,888 INFO L895 garLoopResultBuilder]: At program point L4457(lines 4427 4462) the Hoare annotation is: (and (<= |ULTIMATE.start_pf_detect_~unit~1#1| 3) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,888 INFO L895 garLoopResultBuilder]: At program point L4821(lines 4813 4829) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,888 INFO L899 garLoopResultBuilder]: For program point L3665(lines 3665 3668) no Hoare annotation was computed. [2022-11-16 12:50:46,889 INFO L895 garLoopResultBuilder]: At program point L5614(line 5614) the Hoare annotation is: false [2022-11-16 12:50:46,889 INFO L899 garLoopResultBuilder]: For program point L5614-1(lines 5603 5621) no Hoare annotation was computed. [2022-11-16 12:50:46,889 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 12:50:46,889 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-11-16 12:50:46,889 INFO L895 garLoopResultBuilder]: At program point L-1-4(line -1) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_units_~unit~0#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,889 INFO L899 garLoopResultBuilder]: For program point L-1-5(line -1) no Hoare annotation was computed. [2022-11-16 12:50:46,889 INFO L895 garLoopResultBuilder]: At program point L4459(lines 4409 4483) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,890 INFO L895 garLoopResultBuilder]: At program point L5021(lines 4925 5042) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,890 INFO L895 garLoopResultBuilder]: At program point L4823(lines 4813 4829) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (<= |ULTIMATE.start_pf_init_~unit~2#1| 3) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,890 INFO L899 garLoopResultBuilder]: For program point L4956-1(line 4956) no Hoare annotation was computed. [2022-11-16 12:50:46,890 INFO L895 garLoopResultBuilder]: At program point L4956(line 4956) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,890 INFO L899 garLoopResultBuilder]: For program point L4857(lines 4857 4860) no Hoare annotation was computed. [2022-11-16 12:50:46,890 INFO L895 garLoopResultBuilder]: At program point L5155(line 5155) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 2 ~ldv_mutex_pf_mutex~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0)) [2022-11-16 12:50:46,891 INFO L895 garLoopResultBuilder]: At program point L5155-1(line 5155) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_retval_pf_init~0 0) (= ~ldv_mutex_pf_mutex~0 1)) [2022-11-16 12:50:46,891 INFO L899 garLoopResultBuilder]: For program point L4191-1(lines 4191 4194) no Hoare annotation was computed. [2022-11-16 12:50:46,891 INFO L899 garLoopResultBuilder]: For program point xsFINAL(lines 4163 4198) no Hoare annotation was computed. [2022-11-16 12:50:46,891 INFO L895 garLoopResultBuilder]: At program point xsENTRY(lines 4163 4198) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (.cse2 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse4 (not (= ~disable~0 0))) (.cse5 (not (= ~ldv_retval_pf_init~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_mutex_pf_mutex~0 1)) .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 2 ~ldv_mutex_pf_mutex~0)) (not (<= ~ldv_state_variable_1~0 1)) .cse5))) [2022-11-16 12:50:46,891 INFO L899 garLoopResultBuilder]: For program point L4175(line 4175) no Hoare annotation was computed. [2022-11-16 12:50:46,891 INFO L899 garLoopResultBuilder]: For program point L4175-2(lines 4175 4182) no Hoare annotation was computed. [2022-11-16 12:50:46,891 INFO L899 garLoopResultBuilder]: For program point L4175-4(lines 4175 4182) no Hoare annotation was computed. [2022-11-16 12:50:46,892 INFO L902 garLoopResultBuilder]: At program point L4188(lines 4169 4197) the Hoare annotation is: true [2022-11-16 12:50:46,892 INFO L902 garLoopResultBuilder]: At program point L4186(lines 4169 4197) the Hoare annotation is: true [2022-11-16 12:50:46,892 INFO L899 garLoopResultBuilder]: For program point xsEXIT(lines 4163 4198) no Hoare annotation was computed. [2022-11-16 12:50:46,892 INFO L902 garLoopResultBuilder]: At program point L4184(lines 4169 4197) the Hoare annotation is: true [2022-11-16 12:50:46,892 INFO L899 garLoopResultBuilder]: For program point pf_ioctlEXIT(lines 3750 3768) no Hoare annotation was computed. [2022-11-16 12:50:46,892 INFO L895 garLoopResultBuilder]: At program point pf_ioctlENTRY(lines 3750 3768) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|) (= |old(~ldv_mutex_pf_mutex~0)| ~ldv_mutex_pf_mutex~0)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-16 12:50:46,892 INFO L899 garLoopResultBuilder]: For program point pf_ioctlFINAL(lines 3750 3768) no Hoare annotation was computed. [2022-11-16 12:50:46,893 INFO L899 garLoopResultBuilder]: For program point L4050(line 4050) no Hoare annotation was computed. [2022-11-16 12:50:46,893 INFO L895 garLoopResultBuilder]: At program point L4051(lines 4034 4053) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (= 2 ~ldv_mutex_pf_mutex~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-16 12:50:46,893 INFO L895 garLoopResultBuilder]: At program point L4049-1(line 4049) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (= 2 ~ldv_mutex_pf_mutex~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-16 12:50:46,893 INFO L895 garLoopResultBuilder]: At program point L4049(line 4049) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (= 2 ~ldv_mutex_pf_mutex~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-16 12:50:46,893 INFO L899 garLoopResultBuilder]: For program point L3759(lines 3759 3762) no Hoare annotation was computed. [2022-11-16 12:50:46,893 INFO L895 garLoopResultBuilder]: At program point L5131(line 5131) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (= 2 ~ldv_mutex_pf_mutex~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-16 12:50:46,894 INFO L895 garLoopResultBuilder]: At program point L5131-1(line 5131) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (= ~ldv_mutex_pf_mutex~0 1) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-16 12:50:46,894 INFO L899 garLoopResultBuilder]: For program point L3755(lines 3755 3758) no Hoare annotation was computed. [2022-11-16 12:50:46,894 INFO L895 garLoopResultBuilder]: At program point L5132(lines 5128 5135) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (= ~ldv_mutex_pf_mutex~0 1) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-16 12:50:46,894 INFO L895 garLoopResultBuilder]: At program point L5123(line 5123) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|) (= |old(~ldv_mutex_pf_mutex~0)| ~ldv_mutex_pf_mutex~0)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-16 12:50:46,894 INFO L895 garLoopResultBuilder]: At program point L5123-1(line 5123) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (and (= |old(#length)| |#length|) (= 2 ~ldv_mutex_pf_mutex~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-16 12:50:46,895 INFO L895 garLoopResultBuilder]: At program point L5124(lines 5120 5127) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (and (= |old(#length)| |#length|) (= 2 ~ldv_mutex_pf_mutex~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (not (= |old(~ldv_mutex_pf_mutex~0)| 1)) (not (= ~ldv_retval_pf_init~0 0))) [2022-11-16 12:50:46,898 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:50:46,900 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:50:46,921 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-16 12:50:46,934 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-16 12:50:46,934 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-16 12:50:46,935 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-16 12:50:46,936 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-16 12:50:46,936 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-16 12:50:46,936 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-16 12:50:46,936 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-16 12:50:46,937 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-16 12:50:46,941 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-16 12:50:46,941 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-16 12:50:46,941 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-16 12:50:46,941 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-16 12:50:46,942 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-16 12:50:46,942 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-16 12:50:46,942 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-16 12:50:46,943 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-16 12:50:46,943 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-16 12:50:46,943 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-16 12:50:46,943 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-16 12:50:46,944 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-16 12:50:46,944 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-16 12:50:46,944 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-16 12:50:46,944 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-16 12:50:46,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:50:46 BoogieIcfgContainer [2022-11-16 12:50:46,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:50:46,965 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:50:46,965 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:50:46,965 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:50:46,966 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:46:05" (3/4) ... [2022-11-16 12:50:46,968 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:50:46,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_pf_mutex [2022-11-16 12:50:46,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2022-11-16 12:50:46,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_check_events [2022-11-16 12:50:46,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2022-11-16 12:50:46,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_getgeo [2022-11-16 12:50:46,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure unregister_blkdev [2022-11-16 12:50:46,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2022-11-16 12:50:46,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2022-11-16 12:50:46,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2022-11-16 12:50:46,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2022-11-16 12:50:46,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2022-11-16 12:50:46,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_pf_mutex [2022-11-16 12:50:46,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2022-11-16 12:50:46,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-11-16 12:50:46,977 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2022-11-16 12:50:46,977 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure put_disk [2022-11-16 12:50:46,977 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_atapi [2022-11-16 12:50:46,977 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure get_capacity [2022-11-16 12:50:46,977 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_reset [2022-11-16 12:50:46,977 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_command [2022-11-16 12:50:46,977 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_probe [2022-11-16 12:50:46,977 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_block [2022-11-16 12:50:46,977 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure set_capacity [2022-11-16 12:50:46,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_lock [2022-11-16 12:50:46,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_wait [2022-11-16 12:50:46,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2022-11-16 12:50:46,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_identify [2022-11-16 12:50:46,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_sleep [2022-11-16 12:50:46,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_req_sense [2022-11-16 12:50:46,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_mode_sense [2022-11-16 12:50:46,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-16 12:50:46,979 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_completion [2022-11-16 12:50:46,979 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure xl [2022-11-16 12:50:46,979 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2022-11-16 12:50:46,979 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure xs [2022-11-16 12:50:46,979 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pf_ioctl [2022-11-16 12:50:46,980 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2022-11-16 12:50:46,999 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 205 nodes and edges [2022-11-16 12:50:47,001 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 65 nodes and edges [2022-11-16 12:50:47,003 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-16 12:50:47,005 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-16 12:50:47,007 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 12:50:47,008 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:50:47,011 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:50:47,040 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(ldv_mutex_lock == 1) || (((((\old(unknown-#length-unknown) == unknown-#length-unknown && 2 == ldv_mutex_pf_mutex) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(\old(ldv_mutex_pf_mutex) == 1)) || !(ldv_retval_pf_init == 0) [2022-11-16 12:50:47,042 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(\old(ldv_mutex_pf_mutex) == 1)) || ldv_mutex_pf_mutex == 1) || !(ldv_retval_pf_init == 0) [2022-11-16 12:50:47,044 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(ldv_mutex_lock == 1) || 2 == ldv_mutex_pf_mutex) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(\old(ldv_mutex_pf_mutex) == 1)) || !(ldv_retval_pf_init == 0) [2022-11-16 12:50:47,045 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) || ((((\old(unknown-#length-unknown) == unknown-#length-unknown && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) && (((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) || ((((\old(unknown-#length-unknown) == unknown-#length-unknown && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) [2022-11-16 12:50:47,045 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(ldv_mutex_lock == 1) || \old(stop) == stop) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) && ((((((!(ldv_mutex_lock == 1) || \old(stop) == stop) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) [2022-11-16 12:50:47,046 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(ldv_mutex_lock == 1) || \old(stop) == stop) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) && ((((((!(ldv_mutex_lock == 1) || \old(stop) == stop) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) [2022-11-16 12:50:47,047 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(ldv_mutex_lock == 1) || \old(stop) == stop) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) && ((((((!(ldv_mutex_lock == 1) || \old(stop) == stop) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) [2022-11-16 12:50:47,186 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:50:47,186 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:50:47,186 INFO L158 Benchmark]: Toolchain (without parser) took 289381.28ms. Allocated memory was 136.3MB in the beginning and 2.9GB in the end (delta: 2.8GB). Free memory was 93.2MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 446.0MB. Max. memory is 16.1GB. [2022-11-16 12:50:47,187 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 136.3MB. Free memory was 116.9MB in the beginning and 116.9MB in the end (delta: 72.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:50:47,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1857.87ms. Allocated memory is still 136.3MB. Free memory was 93.0MB in the beginning and 76.5MB in the end (delta: 16.5MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2022-11-16 12:50:47,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 163.69ms. Allocated memory is still 136.3MB. Free memory was 76.5MB in the beginning and 68.8MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:50:47,187 INFO L158 Benchmark]: Boogie Preprocessor took 146.17ms. Allocated memory is still 136.3MB. Free memory was 68.8MB in the beginning and 58.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:50:47,188 INFO L158 Benchmark]: RCFGBuilder took 5257.06ms. Allocated memory was 136.3MB in the beginning and 186.6MB in the end (delta: 50.3MB). Free memory was 58.9MB in the beginning and 133.9MB in the end (delta: -75.0MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2022-11-16 12:50:47,188 INFO L158 Benchmark]: TraceAbstraction took 281726.59ms. Allocated memory was 186.6MB in the beginning and 2.9GB in the end (delta: 2.8GB). Free memory was 132.9MB in the beginning and 2.5GB in the end (delta: -2.3GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2022-11-16 12:50:47,188 INFO L158 Benchmark]: Witness Printer took 221.21ms. Allocated memory is still 2.9GB. Free memory was 2.5GB in the beginning and 2.5GB in the end (delta: 25.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-16 12:50:47,190 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 136.3MB. Free memory was 116.9MB in the beginning and 116.9MB in the end (delta: 72.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1857.87ms. Allocated memory is still 136.3MB. Free memory was 93.0MB in the beginning and 76.5MB in the end (delta: 16.5MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 163.69ms. Allocated memory is still 136.3MB. Free memory was 76.5MB in the beginning and 68.8MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 146.17ms. Allocated memory is still 136.3MB. Free memory was 68.8MB in the beginning and 58.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5257.06ms. Allocated memory was 136.3MB in the beginning and 186.6MB in the end (delta: 50.3MB). Free memory was 58.9MB in the beginning and 133.9MB in the end (delta: -75.0MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. * TraceAbstraction took 281726.59ms. Allocated memory was 186.6MB in the beginning and 2.9GB in the end (delta: 2.8GB). Free memory was 132.9MB in the beginning and 2.5GB in the end (delta: -2.3GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * Witness Printer took 221.21ms. Allocated memory is still 2.9GB. Free memory was 2.5GB in the beginning and 2.5GB in the end (delta: 25.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 5165]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 514 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 281.6s, OverallIterations: 31, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 137.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 53.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12404 SdHoareTripleChecker+Valid, 126.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12042 mSDsluCounter, 47985 SdHoareTripleChecker+Invalid, 121.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28936 mSDsCounter, 3060 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24412 IncrementalHoareTripleChecker+Invalid, 27472 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3060 mSolverCounterUnsat, 19049 mSDtfsCounter, 24412 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11779 GetRequests, 11538 SyntacticMatches, 4 SemanticMatches, 237 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5636occurred in iteration=30, InterpolantAutomatonStates: 176, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.7s AutomataMinimizationTime, 31 MinimizatonAttempts, 4437 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 225 LocationsWithAnnotation, 58879 PreInvPairs, 63708 NumberOfFragments, 4767 HoareAnnotationTreeSize, 58879 FomulaSimplifications, 34919 FormulaSimplificationTreeSizeReduction, 28.0s HoareSimplificationTime, 225 FomulaSimplificationsInter, 514376 FormulaSimplificationTreeSizeReductionInter, 24.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 3.3s SsaConstructionTime, 10.8s SatisfiabilityAnalysisTime, 42.6s InterpolantComputationTime, 14965 NumberOfCodeBlocks, 14965 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 17363 ConstructedInterpolants, 0 QuantifiedInterpolants, 20525 SizeOfPredicates, 4 NumberOfNonLiveVariables, 67703 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 62 InterpolantComputations, 25 PerfectInterpolantSequences, 37455/38326 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5136]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && 2 == ldv_mutex_pf_mutex) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0 - InvariantResult [Line: 4813]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && unit <= 3) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4337]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4921]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4813]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5640]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4409]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3657]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && unit <= 3) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4400]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4427]: Loop Invariant Derived loop invariant: ((((((unit <= 3 && ldv_state_variable_0 == 1) && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3769]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5120]: Loop Invariant [2022-11-16 12:50:47,222 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-16 12:50:47,222 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-16 12:50:47,222 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-16 12:50:47,223 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-16 12:50:47,223 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-16 12:50:47,225 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-16 12:50:47,225 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-16 12:50:47,225 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: (((((!(ldv_mutex_lock == 1) || (((((\old(unknown-#length-unknown) == unknown-#length-unknown && 2 == ldv_mutex_pf_mutex) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(\old(ldv_mutex_pf_mutex) == 1)) || !(ldv_retval_pf_init == 0) - InvariantResult [Line: 4112]: Loop Invariant Derived loop invariant: ((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) || i <= 4 - InvariantResult [Line: 3979]: Loop Invariant [2022-11-16 12:50:47,226 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-16 12:50:47,227 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-16 12:50:47,227 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-16 12:50:47,227 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-16 12:50:47,227 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-16 12:50:47,227 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-16 12:50:47,228 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-16 12:50:47,228 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-16 12:50:47,229 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-16 12:50:47,230 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-16 12:50:47,230 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-16 12:50:47,230 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-16 12:50:47,230 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-16 12:50:47,230 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-16 12:50:47,230 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-16 12:50:47,231 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) || ((((\old(unknown-#length-unknown) == unknown-#length-unknown && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) && (((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) || ((((\old(unknown-#length-unknown) == unknown-#length-unknown && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) - InvariantResult [Line: 4332]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3652]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5659]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4800]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && unit <= 3) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4070]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3696]: Loop Invariant Derived loop invariant: (((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_state_variable_1 <= 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5653]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5717]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4832]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3983]: Loop Invariant Derived loop invariant: ((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) && (((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) - InvariantResult [Line: 4169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4427]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5104]: Loop Invariant Derived loop invariant: (((((1 == ldv_mutex_mutex_of_device && 2 == ldv_mutex_pf_mutex) && disable == 0) && ldv_mutex_lock == 1) && ldv_state_variable_1 <= 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0 - InvariantResult [Line: 4880]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3822]: Loop Invariant Derived loop invariant: (((((((!(ldv_mutex_lock == 1) || \old(stop) == stop) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) && ((((((!(ldv_mutex_lock == 1) || \old(stop) == stop) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) - InvariantResult [Line: 3657]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4832]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4070]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4332]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4369]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4070]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4880]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5637]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && unit <= 3) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4832]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && unit <= 3) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4925]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4800]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4341]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4880]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4332]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4070]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4877]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4409]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && 0 == k) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3948]: Loop Invariant Derived loop invariant: ((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) && (((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) - InvariantResult [Line: 4800]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4880]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4427]: Loop Invariant Derived loop invariant: ((((((unit <= 3 && ldv_state_variable_0 == 1) && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3657]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && unit <= 3) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3983]: Loop Invariant Derived loop invariant: ((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) && (((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) - InvariantResult [Line: 5112]: Loop Invariant Derived loop invariant: (((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_state_variable_1 <= 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && unit <= 3) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4070]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5128]: Loop Invariant Derived loop invariant: (((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(\old(ldv_mutex_pf_mutex) == 1)) || ldv_mutex_pf_mutex == 1) || !(ldv_retval_pf_init == 0) - InvariantResult [Line: 4409]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && 0 == k) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3822]: Loop Invariant Derived loop invariant: (((((((!(ldv_mutex_lock == 1) || \old(stop) == stop) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) && ((((((!(ldv_mutex_lock == 1) || \old(stop) == stop) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) - InvariantResult [Line: 5144]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3822]: Loop Invariant Derived loop invariant: (((((((!(ldv_mutex_lock == 1) || \old(stop) == stop) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) && ((((((!(ldv_mutex_lock == 1) || \old(stop) == stop) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) - InvariantResult [Line: 5152]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 5656]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4925]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 3932]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4034]: Loop Invariant Derived loop invariant: (((((!(ldv_mutex_lock == 1) || 2 == ldv_mutex_pf_mutex) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(\old(ldv_mutex_pf_mutex) == 1)) || !(ldv_retval_pf_init == 0) - InvariantResult [Line: 5591]: Loop Invariant Derived loop invariant: ((((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_state_variable_1 == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && pf_drive_count == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4341]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3948]: Loop Invariant Derived loop invariant: ((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) && (((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(2 == ldv_mutex_pf_mutex)) || !(ldv_retval_pf_init == 0)) - InvariantResult [Line: 4813]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4409]: Loop Invariant Derived loop invariant: (((((((unit <= 3 && ldv_state_variable_0 == 1) && 1 == ldv_mutex_mutex_of_device) && disable == 0) && 0 == k) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4070]: Loop Invariant Derived loop invariant: ((((((!(ldv_mutex_lock == 1) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || !(ldv_state_variable_0 == 1)) || !(ldv_mutex_pf_mutex == 1)) || !(ldv_retval_pf_init == 0)) || i <= 4 - InvariantResult [Line: 4369]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5709]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3699]: Loop Invariant Derived loop invariant: (((((1 == ldv_mutex_mutex_of_device && 2 == ldv_mutex_pf_mutex) && disable == 0) && ldv_mutex_lock == 1) && ldv_state_variable_1 <= 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0 - InvariantResult [Line: 4202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4800]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && unit <= 3) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 - InvariantResult [Line: 4794]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_retval_pf_init == 0) && ldv_mutex_pf_mutex == 1 RESULT: Ultimate proved your program to be correct! [2022-11-16 12:50:47,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a831e8-d441-4ab2-b6cf-3e306800c34a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE