./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label51.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/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_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label51.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/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 32bit --witnessprinter.graph.data.programhash 39ef6d062a4ff56ba1e3913ade729d3f60e638b9dea34b0ea6935ef8cddd75d2 --- 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 11:19:50,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:19:50,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:19:50,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:19:50,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:19:50,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:19:50,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:19:50,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:19:50,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:19:50,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:19:50,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:19:50,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:19:50,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:19:50,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:19:50,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:19:50,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:19:50,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:19:50,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:19:50,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:19:50,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:19:50,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:19:50,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:19:50,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:19:50,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:19:50,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:19:50,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:19:50,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:19:50,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:19:50,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:19:50,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:19:50,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:19:50,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:19:50,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:19:50,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:19:50,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:19:50,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:19:50,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:19:50,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:19:50,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:19:50,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:19:50,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:19:50,949 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:19:50,984 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:19:50,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:19:50,985 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:19:50,985 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:19:50,986 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:19:50,986 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:19:50,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:19:50,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:19:50,987 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:19:50,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:19:50,989 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:19:50,989 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:19:50,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:19:50,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:19:50,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:19:50,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:19:50,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:19:50,990 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:19:50,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:19:50,991 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:19:50,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:19:50,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:19:50,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:19:50,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:19:50,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:19:50,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:19:50,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:19:50,994 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:19:50,994 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:19:50,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:19:50,994 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:19:50,995 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:19:50,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:19:50,995 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_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39ef6d062a4ff56ba1e3913ade729d3f60e638b9dea34b0ea6935ef8cddd75d2 [2022-11-16 11:19:51,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:19:51,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:19:51,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:19:51,329 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:19:51,330 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:19:51,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/eca-rers2012/Problem01_label51.c [2022-11-16 11:19:51,415 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/data/6a29fdaee/4098e9c12be04694872b0571df4d72e2/FLAG9dd13c05e [2022-11-16 11:19:52,001 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:19:52,002 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/sv-benchmarks/c/eca-rers2012/Problem01_label51.c [2022-11-16 11:19:52,026 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/data/6a29fdaee/4098e9c12be04694872b0571df4d72e2/FLAG9dd13c05e [2022-11-16 11:19:52,298 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/data/6a29fdaee/4098e9c12be04694872b0571df4d72e2 [2022-11-16 11:19:52,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:19:52,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:19:52,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:19:52,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:19:52,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:19:52,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:19:52" (1/1) ... [2022-11-16 11:19:52,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bfa0b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:19:52, skipping insertion in model container [2022-11-16 11:19:52,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:19:52" (1/1) ... [2022-11-16 11:19:52,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:19:52,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:19:52,853 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_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/sv-benchmarks/c/eca-rers2012/Problem01_label51.c[18730,18743] [2022-11-16 11:19:52,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:19:52,901 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:19:53,007 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_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/sv-benchmarks/c/eca-rers2012/Problem01_label51.c[18730,18743] [2022-11-16 11:19:53,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:19:53,044 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:19:53,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:19:53 WrapperNode [2022-11-16 11:19:53,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:19:53,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:19:53,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:19:53,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:19:53,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:19:53" (1/1) ... [2022-11-16 11:19:53,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:19:53" (1/1) ... [2022-11-16 11:19:53,137 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2022-11-16 11:19:53,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:19:53,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:19:53,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:19:53,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:19:53,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:19:53" (1/1) ... [2022-11-16 11:19:53,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:19:53" (1/1) ... [2022-11-16 11:19:53,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:19:53" (1/1) ... [2022-11-16 11:19:53,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:19:53" (1/1) ... [2022-11-16 11:19:53,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:19:53" (1/1) ... [2022-11-16 11:19:53,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:19:53" (1/1) ... [2022-11-16 11:19:53,182 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:19:53" (1/1) ... [2022-11-16 11:19:53,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:19:53" (1/1) ... [2022-11-16 11:19:53,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:19:53,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:19:53,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:19:53,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:19:53,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:19:53" (1/1) ... [2022-11-16 11:19:53,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:19:53,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:19:53,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:19:53,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:19:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:19:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:19:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:19:53,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:19:53,405 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:19:53,408 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:19:54,550 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:19:54,564 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:19:54,565 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:19:54,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:19:54 BoogieIcfgContainer [2022-11-16 11:19:54,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:19:54,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:19:54,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:19:54,577 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:19:54,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:19:52" (1/3) ... [2022-11-16 11:19:54,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18c051f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:19:54, skipping insertion in model container [2022-11-16 11:19:54,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:19:53" (2/3) ... [2022-11-16 11:19:54,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18c051f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:19:54, skipping insertion in model container [2022-11-16 11:19:54,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:19:54" (3/3) ... [2022-11-16 11:19:54,581 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label51.c [2022-11-16 11:19:54,601 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:19:54,601 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:19:54,681 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:19:54,691 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;@740a2808, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:19:54,692 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:19:54,701 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 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 11:19:54,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-16 11:19:54,719 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:19:54,720 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:19:54,721 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:19:54,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:19:54,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1145971337, now seen corresponding path program 1 times [2022-11-16 11:19:54,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:19:54,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307507914] [2022-11-16 11:19:54,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:19:54,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:19:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:19:55,367 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 11:19:55,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:19:55,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307507914] [2022-11-16 11:19:55,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307507914] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:19:55,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:19:55,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:19:55,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832954020] [2022-11-16 11:19:55,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:19:55,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:19:55,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:19:55,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:19:55,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:19:55,419 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 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) Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 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 11:19:56,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:19:56,286 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2022-11-16 11:19:56,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:19:56,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 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) Word has length 106 [2022-11-16 11:19:56,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:19:56,305 INFO L225 Difference]: With dead ends: 528 [2022-11-16 11:19:56,306 INFO L226 Difference]: Without dead ends: 266 [2022-11-16 11:19:56,309 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 11:19:56,312 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 66 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:19:56,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 84 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-16 11:19:56,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-11-16 11:19:56,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2022-11-16 11:19:56,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 265 states have (on average 1.4339622641509433) internal successors, (380), 265 states have internal predecessors, (380), 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 11:19:56,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2022-11-16 11:19:56,386 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 106 [2022-11-16 11:19:56,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:19:56,387 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2022-11-16 11:19:56,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 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 11:19:56,388 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2022-11-16 11:19:56,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-16 11:19:56,397 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:19:56,397 INFO L195 NwaCegarLoop]: trace histogram [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 11:19:56,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:19:56,398 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:19:56,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:19:56,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1083364170, now seen corresponding path program 1 times [2022-11-16 11:19:56,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:19:56,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906755979] [2022-11-16 11:19:56,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:19:56,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:19:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:19:56,621 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:19:56,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:19:56,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906755979] [2022-11-16 11:19:56,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906755979] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:19:56,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:19:56,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:19:56,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620238658] [2022-11-16 11:19:56,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:19:56,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:19:56,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:19:56,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:19:56,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:19:56,627 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 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 11:19:57,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:19:57,160 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2022-11-16 11:19:57,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:19:57,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 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) Word has length 112 [2022-11-16 11:19:57,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:19:57,163 INFO L225 Difference]: With dead ends: 792 [2022-11-16 11:19:57,164 INFO L226 Difference]: Without dead ends: 528 [2022-11-16 11:19:57,165 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 11:19:57,167 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 142 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:19:57,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 36 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 11:19:57,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2022-11-16 11:19:57,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2022-11-16 11:19:57,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.3453510436432639) internal successors, (709), 527 states have internal predecessors, (709), 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 11:19:57,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 709 transitions. [2022-11-16 11:19:57,209 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 709 transitions. Word has length 112 [2022-11-16 11:19:57,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:19:57,210 INFO L495 AbstractCegarLoop]: Abstraction has 528 states and 709 transitions. [2022-11-16 11:19:57,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 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 11:19:57,210 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 709 transitions. [2022-11-16 11:19:57,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-16 11:19:57,212 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:19:57,213 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 11:19:57,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:19:57,213 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:19:57,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:19:57,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1869328822, now seen corresponding path program 1 times [2022-11-16 11:19:57,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:19:57,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670881291] [2022-11-16 11:19:57,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:19:57,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:19:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:19:57,730 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:19:57,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:19:57,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670881291] [2022-11-16 11:19:57,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670881291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:19:57,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:19:57,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:19:57,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856270859] [2022-11-16 11:19:57,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:19:57,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:19:57,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:19:57,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:19:57,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:19:57,734 INFO L87 Difference]: Start difference. First operand 528 states and 709 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 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 11:19:58,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:19:58,516 INFO L93 Difference]: Finished difference Result 1411 states and 1882 transitions. [2022-11-16 11:19:58,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:19:58,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 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) Word has length 113 [2022-11-16 11:19:58,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:19:58,521 INFO L225 Difference]: With dead ends: 1411 [2022-11-16 11:19:58,521 INFO L226 Difference]: Without dead ends: 790 [2022-11-16 11:19:58,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:19:58,530 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 128 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:19:58,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 83 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-16 11:19:58,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2022-11-16 11:19:58,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 659. [2022-11-16 11:19:58,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 658 states have (on average 1.1899696048632218) internal successors, (783), 658 states have internal predecessors, (783), 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 11:19:58,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 783 transitions. [2022-11-16 11:19:58,560 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 783 transitions. Word has length 113 [2022-11-16 11:19:58,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:19:58,560 INFO L495 AbstractCegarLoop]: Abstraction has 659 states and 783 transitions. [2022-11-16 11:19:58,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 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 11:19:58,561 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 783 transitions. [2022-11-16 11:19:58,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-16 11:19:58,565 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:19:58,565 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-16 11:19:58,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:19:58,565 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:19:58,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:19:58,567 INFO L85 PathProgramCache]: Analyzing trace with hash 2123843848, now seen corresponding path program 1 times [2022-11-16 11:19:58,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:19:58,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153838463] [2022-11-16 11:19:58,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:19:58,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:19:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:19:58,856 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:19:58,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:19:58,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153838463] [2022-11-16 11:19:58,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153838463] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:19:58,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198275979] [2022-11-16 11:19:58,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:19:58,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:19:58,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:19:58,861 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:19:58,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 11:19:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:19:58,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:19:58,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:19:59,174 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:19:59,175 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:19:59,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198275979] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:19:59,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:19:59,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-16 11:19:59,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131727798] [2022-11-16 11:19:59,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:19:59,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:19:59,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:19:59,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:19:59,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:19:59,177 INFO L87 Difference]: Start difference. First operand 659 states and 783 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 11:19:59,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:19:59,650 INFO L93 Difference]: Finished difference Result 1709 states and 2040 transitions. [2022-11-16 11:19:59,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:19:59,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) Word has length 121 [2022-11-16 11:19:59,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:19:59,654 INFO L225 Difference]: With dead ends: 1709 [2022-11-16 11:19:59,654 INFO L226 Difference]: Without dead ends: 921 [2022-11-16 11:19:59,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:19:59,656 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 35 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:19:59,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 173 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 11:19:59,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2022-11-16 11:19:59,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 790. [2022-11-16 11:19:59,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 789 states have (on average 1.1787072243346008) internal successors, (930), 789 states have internal predecessors, (930), 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 11:19:59,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 930 transitions. [2022-11-16 11:19:59,679 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 930 transitions. Word has length 121 [2022-11-16 11:19:59,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:19:59,680 INFO L495 AbstractCegarLoop]: Abstraction has 790 states and 930 transitions. [2022-11-16 11:19:59,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 11:19:59,680 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 930 transitions. [2022-11-16 11:19:59,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-16 11:19:59,683 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:19:59,684 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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 11:19:59,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:19:59,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:19:59,890 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:19:59,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:19:59,890 INFO L85 PathProgramCache]: Analyzing trace with hash 644801539, now seen corresponding path program 1 times [2022-11-16 11:19:59,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:19:59,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880910725] [2022-11-16 11:19:59,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:19:59,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:19:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:20:00,177 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:20:00,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:20:00,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880910725] [2022-11-16 11:20:00,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880910725] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:20:00,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383266214] [2022-11-16 11:20:00,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:20:00,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:20:00,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:20:00,180 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:20:00,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 11:20:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:20:00,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:20:00,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:20:00,512 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:20:00,512 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:20:00,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383266214] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:20:00,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:20:00,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-16 11:20:00,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973230327] [2022-11-16 11:20:00,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:20:00,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:20:00,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:20:00,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:20:00,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:20:00,515 INFO L87 Difference]: Start difference. First operand 790 states and 930 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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 11:20:00,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:20:00,968 INFO L93 Difference]: Finished difference Result 2364 states and 2785 transitions. [2022-11-16 11:20:00,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:20:00,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) Word has length 123 [2022-11-16 11:20:00,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:20:00,974 INFO L225 Difference]: With dead ends: 2364 [2022-11-16 11:20:00,974 INFO L226 Difference]: Without dead ends: 1445 [2022-11-16 11:20:00,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:20:00,976 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 28 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:20:00,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 189 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 11:20:00,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2022-11-16 11:20:00,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1445. [2022-11-16 11:20:01,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 1444 states have (on average 1.1551246537396123) internal successors, (1668), 1444 states have internal predecessors, (1668), 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 11:20:01,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1668 transitions. [2022-11-16 11:20:01,006 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1668 transitions. Word has length 123 [2022-11-16 11:20:01,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:20:01,006 INFO L495 AbstractCegarLoop]: Abstraction has 1445 states and 1668 transitions. [2022-11-16 11:20:01,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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 11:20:01,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1668 transitions. [2022-11-16 11:20:01,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-16 11:20:01,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:20:01,010 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:20:01,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:20:01,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:20:01,215 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:20:01,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:20:01,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1963549498, now seen corresponding path program 1 times [2022-11-16 11:20:01,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:20:01,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591536709] [2022-11-16 11:20:01,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:20:01,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:20:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:20:01,431 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:20:01,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:20:01,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591536709] [2022-11-16 11:20:01,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591536709] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:20:01,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:20:01,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:20:01,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600695522] [2022-11-16 11:20:01,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:20:01,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:20:01,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:20:01,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:20:01,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:20:01,434 INFO L87 Difference]: Start difference. First operand 1445 states and 1668 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 2 states have internal predecessors, (138), 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 11:20:01,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:20:01,852 INFO L93 Difference]: Finished difference Result 3019 states and 3503 transitions. [2022-11-16 11:20:01,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:20:01,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 2 states have internal predecessors, (138), 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) Word has length 140 [2022-11-16 11:20:01,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:20:01,858 INFO L225 Difference]: With dead ends: 3019 [2022-11-16 11:20:01,858 INFO L226 Difference]: Without dead ends: 1707 [2022-11-16 11:20:01,860 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 11:20:01,861 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 105 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:20:01,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 44 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 11:20:01,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2022-11-16 11:20:01,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1707. [2022-11-16 11:20:01,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1707 states, 1706 states have (on average 1.1406799531066822) internal successors, (1946), 1706 states have internal predecessors, (1946), 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 11:20:01,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1946 transitions. [2022-11-16 11:20:01,895 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1946 transitions. Word has length 140 [2022-11-16 11:20:01,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:20:01,895 INFO L495 AbstractCegarLoop]: Abstraction has 1707 states and 1946 transitions. [2022-11-16 11:20:01,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 2 states have internal predecessors, (138), 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 11:20:01,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1946 transitions. [2022-11-16 11:20:01,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-16 11:20:01,899 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:20:01,900 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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, 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] [2022-11-16 11:20:01,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:20:01,900 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:20:01,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:20:01,901 INFO L85 PathProgramCache]: Analyzing trace with hash 712915108, now seen corresponding path program 1 times [2022-11-16 11:20:01,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:20:01,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777616380] [2022-11-16 11:20:01,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:20:01,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:20:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:20:02,021 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-16 11:20:02,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:20:02,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777616380] [2022-11-16 11:20:02,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777616380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:20:02,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:20:02,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:20:02,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43253615] [2022-11-16 11:20:02,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:20:02,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:20:02,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:20:02,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:20:02,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:20:02,024 INFO L87 Difference]: Start difference. First operand 1707 states and 1946 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 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 11:20:02,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:20:02,501 INFO L93 Difference]: Finished difference Result 3805 states and 4353 transitions. [2022-11-16 11:20:02,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:20:02,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 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) Word has length 149 [2022-11-16 11:20:02,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:20:02,509 INFO L225 Difference]: With dead ends: 3805 [2022-11-16 11:20:02,510 INFO L226 Difference]: Without dead ends: 2231 [2022-11-16 11:20:02,512 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 11:20:02,512 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 132 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:20:02,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 23 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 11:20:02,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2022-11-16 11:20:02,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1969. [2022-11-16 11:20:02,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1969 states, 1968 states have (on average 1.1402439024390243) internal successors, (2244), 1968 states have internal predecessors, (2244), 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 11:20:02,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2244 transitions. [2022-11-16 11:20:02,569 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2244 transitions. Word has length 149 [2022-11-16 11:20:02,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:20:02,570 INFO L495 AbstractCegarLoop]: Abstraction has 1969 states and 2244 transitions. [2022-11-16 11:20:02,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 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 11:20:02,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2244 transitions. [2022-11-16 11:20:02,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-11-16 11:20:02,575 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:20:02,575 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:20:02,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:20:02,576 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:20:02,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:20:02,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1892191701, now seen corresponding path program 1 times [2022-11-16 11:20:02,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:20:02,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283632403] [2022-11-16 11:20:02,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:20:02,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:20:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:20:02,814 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-16 11:20:02,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:20:02,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283632403] [2022-11-16 11:20:02,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283632403] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:20:02,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:20:02,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:20:02,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495144104] [2022-11-16 11:20:02,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:20:02,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:20:02,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:20:02,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:20:02,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:20:02,817 INFO L87 Difference]: Start difference. First operand 1969 states and 2244 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 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 11:20:03,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:20:03,488 INFO L93 Difference]: Finished difference Result 4067 states and 4651 transitions. [2022-11-16 11:20:03,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:20:03,490 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 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) Word has length 155 [2022-11-16 11:20:03,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:20:03,496 INFO L225 Difference]: With dead ends: 4067 [2022-11-16 11:20:03,496 INFO L226 Difference]: Without dead ends: 2231 [2022-11-16 11:20:03,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:20:03,502 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 384 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:20:03,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 43 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-16 11:20:03,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2022-11-16 11:20:03,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2100. [2022-11-16 11:20:03,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 2099 states have (on average 1.132444020962363) internal successors, (2377), 2099 states have internal predecessors, (2377), 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 11:20:03,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2377 transitions. [2022-11-16 11:20:03,556 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2377 transitions. Word has length 155 [2022-11-16 11:20:03,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:20:03,556 INFO L495 AbstractCegarLoop]: Abstraction has 2100 states and 2377 transitions. [2022-11-16 11:20:03,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 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 11:20:03,557 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2377 transitions. [2022-11-16 11:20:03,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-16 11:20:03,561 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:20:03,562 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 11:20:03,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:20:03,562 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:20:03,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:20:03,563 INFO L85 PathProgramCache]: Analyzing trace with hash 101584918, now seen corresponding path program 1 times [2022-11-16 11:20:03,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:20:03,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785876819] [2022-11-16 11:20:03,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:20:03,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:20:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:20:03,937 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:20:03,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:20:03,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785876819] [2022-11-16 11:20:03,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785876819] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:20:03,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011002082] [2022-11-16 11:20:03,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:20:03,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:20:03,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:20:03,940 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:20:03,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 11:20:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:20:04,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 11:20:04,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:20:04,236 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-16 11:20:04,236 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:20:04,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011002082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:20:04,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:20:04,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-16 11:20:04,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513166155] [2022-11-16 11:20:04,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:20:04,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:20:04,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:20:04,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:20:04,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:20:04,238 INFO L87 Difference]: Start difference. First operand 2100 states and 2377 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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 11:20:04,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:20:04,667 INFO L93 Difference]: Finished difference Result 4722 states and 5397 transitions. [2022-11-16 11:20:04,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:20:04,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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) Word has length 173 [2022-11-16 11:20:04,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:20:04,675 INFO L225 Difference]: With dead ends: 4722 [2022-11-16 11:20:04,675 INFO L226 Difference]: Without dead ends: 2755 [2022-11-16 11:20:04,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:20:04,678 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 32 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:20:04,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 178 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 11:20:04,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2755 states. [2022-11-16 11:20:04,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2755 to 2100. [2022-11-16 11:20:04,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 2099 states have (on average 1.1205335874225821) internal successors, (2352), 2099 states have internal predecessors, (2352), 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 11:20:04,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2352 transitions. [2022-11-16 11:20:04,726 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2352 transitions. Word has length 173 [2022-11-16 11:20:04,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:20:04,727 INFO L495 AbstractCegarLoop]: Abstraction has 2100 states and 2352 transitions. [2022-11-16 11:20:04,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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 11:20:04,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2352 transitions. [2022-11-16 11:20:04,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-11-16 11:20:04,733 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:20:04,733 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-11-16 11:20:04,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:20:04,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-16 11:20:04,939 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:20:04,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:20:04,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1219695243, now seen corresponding path program 1 times [2022-11-16 11:20:04,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:20:04,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259198647] [2022-11-16 11:20:04,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:20:04,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:20:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:20:05,212 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-11-16 11:20:05,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:20:05,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259198647] [2022-11-16 11:20:05,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259198647] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:20:05,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:20:05,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:20:05,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112022986] [2022-11-16 11:20:05,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:20:05,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:20:05,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:20:05,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:20:05,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:20:05,215 INFO L87 Difference]: Start difference. First operand 2100 states and 2352 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 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 11:20:05,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:20:05,624 INFO L93 Difference]: Finished difference Result 4329 states and 4867 transitions. [2022-11-16 11:20:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:20:05,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 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) Word has length 220 [2022-11-16 11:20:05,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:20:05,631 INFO L225 Difference]: With dead ends: 4329 [2022-11-16 11:20:05,631 INFO L226 Difference]: Without dead ends: 2100 [2022-11-16 11:20:05,633 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 11:20:05,635 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 97 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:20:05,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 48 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 11:20:05,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2022-11-16 11:20:05,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1969. [2022-11-16 11:20:05,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1969 states, 1968 states have (on average 1.1046747967479675) internal successors, (2174), 1968 states have internal predecessors, (2174), 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 11:20:05,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2174 transitions. [2022-11-16 11:20:05,684 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2174 transitions. Word has length 220 [2022-11-16 11:20:05,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:20:05,684 INFO L495 AbstractCegarLoop]: Abstraction has 1969 states and 2174 transitions. [2022-11-16 11:20:05,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 2 states have internal predecessors, (146), 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 11:20:05,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2174 transitions. [2022-11-16 11:20:05,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-11-16 11:20:05,690 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:20:05,690 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-11-16 11:20:05,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:20:05,691 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:20:05,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:20:05,691 INFO L85 PathProgramCache]: Analyzing trace with hash -908696778, now seen corresponding path program 1 times [2022-11-16 11:20:05,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:20:05,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559585788] [2022-11-16 11:20:05,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:20:05,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:20:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:20:06,158 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 120 proven. 6 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-11-16 11:20:06,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:20:06,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559585788] [2022-11-16 11:20:06,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559585788] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:20:06,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984732715] [2022-11-16 11:20:06,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:20:06,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:20:06,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:20:06,161 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:20:06,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 11:20:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:20:06,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:20:06,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:20:06,462 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-11-16 11:20:06,462 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:20:06,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984732715] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:20:06,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:20:06,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-16 11:20:06,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170761509] [2022-11-16 11:20:06,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:20:06,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:20:06,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:20:06,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:20:06,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:20:06,466 INFO L87 Difference]: Start difference. First operand 1969 states and 2174 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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 11:20:06,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:20:06,877 INFO L93 Difference]: Finished difference Result 4065 states and 4506 transitions. [2022-11-16 11:20:06,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:20:06,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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) Word has length 233 [2022-11-16 11:20:06,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:20:06,879 INFO L225 Difference]: With dead ends: 4065 [2022-11-16 11:20:06,879 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:20:06,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:20:06,882 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 40 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:20:06,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 165 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 11:20:06,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:20:06,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:20:06,883 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 11:20:06,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:20:06,883 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 233 [2022-11-16 11:20:06,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:20:06,884 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:20:06,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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 11:20:06,884 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:20:06,884 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:20:06,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:20:06,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:20:07,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-16 11:20:07,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 11:20:07,708 INFO L899 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2022-11-16 11:20:07,708 INFO L899 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2022-11-16 11:20:07,708 INFO L899 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2022-11-16 11:20:07,709 INFO L899 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2022-11-16 11:20:07,709 INFO L899 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2022-11-16 11:20:07,709 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2022-11-16 11:20:07,709 INFO L899 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2022-11-16 11:20:07,709 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2022-11-16 11:20:07,709 INFO L899 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,709 INFO L899 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,709 INFO L899 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,709 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,710 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2022-11-16 11:20:07,710 INFO L899 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,710 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,710 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2022-11-16 11:20:07,710 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2022-11-16 11:20:07,710 INFO L899 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2022-11-16 11:20:07,710 INFO L899 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2022-11-16 11:20:07,710 INFO L899 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2022-11-16 11:20:07,711 INFO L899 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2022-11-16 11:20:07,711 INFO L899 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2022-11-16 11:20:07,711 INFO L899 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2022-11-16 11:20:07,711 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2022-11-16 11:20:07,711 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2022-11-16 11:20:07,711 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2022-11-16 11:20:07,711 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2022-11-16 11:20:07,711 INFO L899 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,711 INFO L899 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,712 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,712 INFO L899 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,712 INFO L899 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,712 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2022-11-16 11:20:07,712 INFO L899 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,712 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2022-11-16 11:20:07,712 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2022-11-16 11:20:07,712 INFO L899 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2022-11-16 11:20:07,712 INFO L899 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2022-11-16 11:20:07,713 INFO L899 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2022-11-16 11:20:07,713 INFO L899 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2022-11-16 11:20:07,713 INFO L899 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2022-11-16 11:20:07,713 INFO L899 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2022-11-16 11:20:07,713 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2022-11-16 11:20:07,713 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2022-11-16 11:20:07,713 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2022-11-16 11:20:07,713 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2022-11-16 11:20:07,713 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2022-11-16 11:20:07,714 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2022-11-16 11:20:07,714 INFO L899 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,714 INFO L899 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,714 INFO L899 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,714 INFO L899 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,714 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,714 INFO L899 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,717 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2022-11-16 11:20:07,717 INFO L899 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2022-11-16 11:20:07,717 INFO L899 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2022-11-16 11:20:07,717 INFO L899 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2022-11-16 11:20:07,717 INFO L899 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2022-11-16 11:20:07,717 INFO L899 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2022-11-16 11:20:07,717 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-11-16 11:20:07,717 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2022-11-16 11:20:07,718 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2022-11-16 11:20:07,718 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2022-11-16 11:20:07,718 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2022-11-16 11:20:07,718 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2022-11-16 11:20:07,718 INFO L899 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,718 INFO L899 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,718 INFO L899 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,718 INFO L899 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,718 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,719 INFO L899 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,719 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2022-11-16 11:20:07,719 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2022-11-16 11:20:07,719 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2022-11-16 11:20:07,719 INFO L899 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2022-11-16 11:20:07,719 INFO L899 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2022-11-16 11:20:07,719 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2022-11-16 11:20:07,719 INFO L899 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2022-11-16 11:20:07,719 INFO L899 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2022-11-16 11:20:07,720 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2022-11-16 11:20:07,720 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2022-11-16 11:20:07,720 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,721 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,721 INFO L899 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,721 INFO L899 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,721 INFO L899 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,721 INFO L899 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,721 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2022-11-16 11:20:07,721 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2022-11-16 11:20:07,721 INFO L899 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2022-11-16 11:20:07,722 INFO L899 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2022-11-16 11:20:07,722 INFO L899 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2022-11-16 11:20:07,722 INFO L899 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2022-11-16 11:20:07,722 INFO L899 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2022-11-16 11:20:07,722 INFO L899 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2022-11-16 11:20:07,722 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2022-11-16 11:20:07,723 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2022-11-16 11:20:07,723 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2022-11-16 11:20:07,723 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2022-11-16 11:20:07,723 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2022-11-16 11:20:07,723 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2022-11-16 11:20:07,723 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2022-11-16 11:20:07,723 INFO L899 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,723 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,723 INFO L899 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,724 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,724 INFO L899 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,724 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 11:20:07,724 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2022-11-16 11:20:07,724 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2022-11-16 11:20:07,724 INFO L899 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2022-11-16 11:20:07,724 INFO L899 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2022-11-16 11:20:07,724 INFO L899 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2022-11-16 11:20:07,724 INFO L899 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2022-11-16 11:20:07,725 INFO L899 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2022-11-16 11:20:07,725 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-11-16 11:20:07,725 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2022-11-16 11:20:07,727 INFO L895 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse2 (<= 15 ~a8~0)) (.cse3 (<= ~a20~0 0)) (.cse7 (= ~a12~0 8)) (.cse0 (= ~a21~0 1)) (.cse8 (= ~a17~0 1)) (.cse4 (<= ~a16~0 5)) (.cse1 (= ~a20~0 1)) (.cse5 (= ~a7~0 1)) (.cse6 (<= ~a8~0 13)) (.cse9 (<= ~a16~0 4))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2) (and .cse3 .cse4) (and .cse5 .cse4) (and .cse6 .cse7 .cse0 .cse8 .cse1) (and .cse0 .cse9 .cse1) (and .cse7 .cse0 .cse8 .cse4 .cse1) (and .cse6 .cse5) (and .cse6 .cse9))) [2022-11-16 11:20:07,727 INFO L899 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,727 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,728 INFO L899 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,728 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,728 INFO L899 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,728 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2022-11-16 11:20:07,728 INFO L899 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2022-11-16 11:20:07,728 INFO L899 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2022-11-16 11:20:07,728 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2022-11-16 11:20:07,728 INFO L899 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2022-11-16 11:20:07,728 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2022-11-16 11:20:07,729 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2022-11-16 11:20:07,729 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2022-11-16 11:20:07,729 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2022-11-16 11:20:07,729 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2022-11-16 11:20:07,729 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2022-11-16 11:20:07,729 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2022-11-16 11:20:07,729 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:20:07,729 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2022-11-16 11:20:07,729 INFO L902 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2022-11-16 11:20:07,732 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,732 INFO L899 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,732 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,732 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,733 INFO L899 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,733 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2022-11-16 11:20:07,733 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2022-11-16 11:20:07,733 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2022-11-16 11:20:07,733 INFO L899 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2022-11-16 11:20:07,733 INFO L899 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2022-11-16 11:20:07,733 INFO L899 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2022-11-16 11:20:07,734 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2022-11-16 11:20:07,734 INFO L899 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2022-11-16 11:20:07,734 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2022-11-16 11:20:07,734 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:20:07,734 INFO L899 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,734 INFO L899 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,734 INFO L899 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,735 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,735 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2022-11-16 11:20:07,735 INFO L899 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,735 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2022-11-16 11:20:07,735 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2022-11-16 11:20:07,735 INFO L899 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2022-11-16 11:20:07,736 INFO L899 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2022-11-16 11:20:07,736 INFO L899 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2022-11-16 11:20:07,736 INFO L899 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2022-11-16 11:20:07,736 INFO L899 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2022-11-16 11:20:07,736 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2022-11-16 11:20:07,736 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2022-11-16 11:20:07,736 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2022-11-16 11:20:07,737 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2022-11-16 11:20:07,737 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2022-11-16 11:20:07,737 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2022-11-16 11:20:07,737 INFO L899 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,737 INFO L895 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse2 (<= 15 ~a8~0)) (.cse3 (<= ~a20~0 0)) (.cse7 (= ~a12~0 8)) (.cse0 (= ~a21~0 1)) (.cse8 (= ~a17~0 1)) (.cse4 (<= ~a16~0 5)) (.cse1 (= ~a20~0 1)) (.cse5 (= ~a7~0 1)) (.cse6 (<= ~a8~0 13)) (.cse9 (<= ~a16~0 4))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2) (and .cse3 .cse4) (and .cse5 .cse4) (and .cse6 .cse7 .cse0 .cse8 .cse1) (and .cse0 .cse9 .cse1) (and .cse7 .cse0 .cse8 .cse4 .cse1) (and .cse6 .cse5) (and .cse6 .cse9))) [2022-11-16 11:20:07,737 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,738 INFO L899 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,738 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,738 INFO L899 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,738 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2022-11-16 11:20:07,738 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 11:20:07,738 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 504) no Hoare annotation was computed. [2022-11-16 11:20:07,739 INFO L899 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2022-11-16 11:20:07,739 INFO L899 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2022-11-16 11:20:07,739 INFO L899 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2022-11-16 11:20:07,739 INFO L899 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2022-11-16 11:20:07,739 INFO L899 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2022-11-16 11:20:07,739 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2022-11-16 11:20:07,739 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2022-11-16 11:20:07,740 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,740 INFO L899 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,740 INFO L899 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,740 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,740 INFO L899 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2022-11-16 11:20:07,740 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2022-11-16 11:20:07,740 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2022-11-16 11:20:07,741 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2022-11-16 11:20:07,741 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2022-11-16 11:20:07,744 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:20:07,748 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:20:07,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:20:07 BoogieIcfgContainer [2022-11-16 11:20:07,787 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:20:07,787 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:20:07,788 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:20:07,788 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:20:07,788 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:19:54" (3/4) ... [2022-11-16 11:20:07,791 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:20:07,815 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 11:20:07,816 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 11:20:07,817 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:20:07,818 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:20:07,940 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:20:07,940 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:20:07,941 INFO L158 Benchmark]: Toolchain (without parser) took 15638.25ms. Allocated memory was 132.1MB in the beginning and 318.8MB in the end (delta: 186.6MB). Free memory was 96.8MB in the beginning and 187.8MB in the end (delta: -91.0MB). Peak memory consumption was 95.5MB. Max. memory is 16.1GB. [2022-11-16 11:20:07,941 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:20:07,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 736.91ms. Allocated memory is still 132.1MB. Free memory was 96.6MB in the beginning and 89.7MB in the end (delta: 6.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:20:07,942 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.02ms. Allocated memory is still 132.1MB. Free memory was 89.7MB in the beginning and 83.9MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 11:20:07,942 INFO L158 Benchmark]: Boogie Preprocessor took 52.78ms. Allocated memory is still 132.1MB. Free memory was 83.9MB in the beginning and 79.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:20:07,943 INFO L158 Benchmark]: RCFGBuilder took 1376.94ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 79.3MB in the beginning and 84.4MB in the end (delta: -5.1MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2022-11-16 11:20:07,944 INFO L158 Benchmark]: TraceAbstraction took 13213.88ms. Allocated memory was 174.1MB in the beginning and 318.8MB in the end (delta: 144.7MB). Free memory was 83.3MB in the beginning and 198.2MB in the end (delta: -114.9MB). Peak memory consumption was 128.3MB. Max. memory is 16.1GB. [2022-11-16 11:20:07,944 INFO L158 Benchmark]: Witness Printer took 152.71ms. Allocated memory is still 318.8MB. Free memory was 198.2MB in the beginning and 187.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:20:07,946 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 736.91ms. Allocated memory is still 132.1MB. Free memory was 96.6MB in the beginning and 89.7MB in the end (delta: 6.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.02ms. Allocated memory is still 132.1MB. Free memory was 89.7MB in the beginning and 83.9MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.78ms. Allocated memory is still 132.1MB. Free memory was 83.9MB in the beginning and 79.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1376.94ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 79.3MB in the beginning and 84.4MB in the end (delta: -5.1MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * TraceAbstraction took 13213.88ms. Allocated memory was 174.1MB in the beginning and 318.8MB in the end (delta: 144.7MB). Free memory was 83.3MB in the beginning and 198.2MB in the end (delta: -114.9MB). Peak memory consumption was 128.3MB. Max. memory is 16.1GB. * Witness Printer took 152.71ms. Allocated memory is still 318.8MB. Free memory was 198.2MB in the beginning and 187.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * 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: 504]: 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 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.1s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1189 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1189 mSDsluCounter, 1066 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 69 mSDsCounter, 546 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3914 IncrementalHoareTripleChecker+Invalid, 4460 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 546 mSolverCounterUnsat, 997 mSDtfsCounter, 3914 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 675 GetRequests, 654 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2100occurred in iteration=8, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 1441 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 49 NumberOfFragments, 177 HoareAnnotationTreeSize, 3 FomulaSimplifications, 502 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 926 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 2295 NumberOfCodeBlocks, 2295 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2280 ConstructedInterpolants, 0 QuantifiedInterpolants, 7074 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1265 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 970/1011 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: 593]: Loop Invariant Derived loop invariant: (((((((((a21 == 1 && a20 == 1) && 15 <= a8) || (a20 <= 0 && 15 <= a8)) || (a20 <= 0 && a16 <= 5)) || (a7 == 1 && a16 <= 5)) || ((((a8 <= 13 && a12 == 8) && a21 == 1) && a17 == 1) && a20 == 1)) || ((a21 == 1 && a16 <= 4) && a20 == 1)) || ((((a12 == 8 && a21 == 1) && a17 == 1) && a16 <= 5) && a20 == 1)) || (a8 <= 13 && a7 == 1)) || (a8 <= 13 && a16 <= 4) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((((((a21 == 1 && a20 == 1) && 15 <= a8) || (a20 <= 0 && 15 <= a8)) || (a20 <= 0 && a16 <= 5)) || (a7 == 1 && a16 <= 5)) || ((((a8 <= 13 && a12 == 8) && a21 == 1) && a17 == 1) && a20 == 1)) || ((a21 == 1 && a16 <= 4) && a20 == 1)) || ((((a12 == 8 && a21 == 1) && a17 == 1) && a16 <= 5) && a20 == 1)) || (a8 <= 13 && a7 == 1)) || (a8 <= 13 && a16 <= 4) RESULT: Ultimate proved your program to be correct! [2022-11-16 11:20:07,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e4e3c1-bf02-4bc5-ba79-dee1ced32817/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