./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b --- 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-5e519f3 [2022-11-03 02:00:46,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:00:46,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:00:46,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:00:46,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:00:46,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:00:46,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:00:46,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:00:46,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:00:46,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:00:46,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:00:46,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:00:46,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:00:46,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:00:46,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:00:46,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:00:46,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:00:46,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:00:46,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:00:46,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:00:46,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:00:46,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:00:46,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:00:46,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:00:46,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:00:46,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:00:46,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:00:46,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:00:46,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:00:46,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:00:46,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:00:46,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:00:46,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:00:46,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:00:46,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:00:46,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:00:46,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:00:46,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:00:46,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:00:46,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:00:46,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:00:46,648 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:00:46,683 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:00:46,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:00:46,683 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:00:46,684 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:00:46,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:00:46,684 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:00:46,684 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:00:46,685 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:00:46,685 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:00:46,685 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:00:46,685 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:00:46,685 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:00:46,685 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:00:46,686 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:00:46,686 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:00:46,686 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:00:46,686 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:00:46,686 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:00:46,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:00:46,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:00:46,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:00:46,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:00:46,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:00:46,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:00:46,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:00:46,694 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:00:46,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:00:46,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:00:46,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:00:46,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:00:46,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:00:46,695 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:00:46,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:00:46,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:00:46,696 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:00:46,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:00:46,696 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:00:46,696 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:00:46,697 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_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b [2022-11-03 02:00:46,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:00:47,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:00:47,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:00:47,013 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:00:47,014 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:00:47,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2022-11-03 02:00:47,094 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/data/2a8e8368d/0bbd7951eb0c42d7be6ba2b775b4047b/FLAGab6205577 [2022-11-03 02:00:47,868 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:00:47,868 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2022-11-03 02:00:47,914 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/data/2a8e8368d/0bbd7951eb0c42d7be6ba2b775b4047b/FLAGab6205577 [2022-11-03 02:00:47,956 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/data/2a8e8368d/0bbd7951eb0c42d7be6ba2b775b4047b [2022-11-03 02:00:47,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:00:47,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:00:47,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:00:47,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:00:47,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:00:47,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:00:47" (1/1) ... [2022-11-03 02:00:47,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24ed7c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:00:47, skipping insertion in model container [2022-11-03 02:00:47,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:00:47" (1/1) ... [2022-11-03 02:00:47,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:00:48,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:00:49,055 WARN L230 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_a983ca37-f280-48b2-b3f7-3d3df9f434df/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i[119285,119298] [2022-11-03 02:00:49,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:00:49,216 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:00:49,474 WARN L230 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_a983ca37-f280-48b2-b3f7-3d3df9f434df/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i[119285,119298] [2022-11-03 02:00:49,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:00:49,540 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:00:49,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:00:49 WrapperNode [2022-11-03 02:00:49,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:00:49,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:00:49,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:00:49,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:00:49,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:00:49" (1/1) ... [2022-11-03 02:00:49,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:00:49" (1/1) ... [2022-11-03 02:00:49,684 INFO L138 Inliner]: procedures = 144, calls = 800, calls flagged for inlining = 49, calls inlined = 41, statements flattened = 1426 [2022-11-03 02:00:49,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:00:49,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:00:49,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:00:49,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:00:49,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:00:49" (1/1) ... [2022-11-03 02:00:49,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:00:49" (1/1) ... [2022-11-03 02:00:49,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:00:49" (1/1) ... [2022-11-03 02:00:49,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:00:49" (1/1) ... [2022-11-03 02:00:49,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:00:49" (1/1) ... [2022-11-03 02:00:49,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:00:49" (1/1) ... [2022-11-03 02:00:49,796 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:00:49" (1/1) ... [2022-11-03 02:00:49,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:00:49" (1/1) ... [2022-11-03 02:00:49,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:00:49,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:00:49,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:00:49,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:00:49,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:00:49" (1/1) ... [2022-11-03 02:00:49,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:00:49,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:00:49,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:00:49,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:00:49,910 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2022-11-03 02:00:49,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2022-11-03 02:00:49,910 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2022-11-03 02:00:49,910 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2022-11-03 02:00:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2022-11-03 02:00:49,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2022-11-03 02:00:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pt_mutex [2022-11-03 02:00:49,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pt_mutex [2022-11-03 02:00:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2022-11-03 02:00:49,912 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2022-11-03 02:00:49,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:00:49,912 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2022-11-03 02:00:49,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2022-11-03 02:00:49,912 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2022-11-03 02:00:49,912 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2022-11-03 02:00:49,913 INFO L130 BoogieDeclarations]: Found specification of procedure pt_media_access_cmd [2022-11-03 02:00:49,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_media_access_cmd [2022-11-03 02:00:49,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:00:49,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:00:49,913 INFO L130 BoogieDeclarations]: Found specification of procedure pt_reset [2022-11-03 02:00:49,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_reset [2022-11-03 02:00:49,913 INFO L130 BoogieDeclarations]: Found specification of procedure pt_identify [2022-11-03 02:00:49,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_identify [2022-11-03 02:00:49,914 INFO L130 BoogieDeclarations]: Found specification of procedure pt_command [2022-11-03 02:00:49,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_command [2022-11-03 02:00:49,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:00:49,914 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 02:00:49,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 02:00:49,915 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write [2022-11-03 02:00:49,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write [2022-11-03 02:00:49,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 02:00:49,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 02:00:49,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:00:49,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:00:49,916 INFO L130 BoogieDeclarations]: Found specification of procedure pt_atapi [2022-11-03 02:00:49,916 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_atapi [2022-11-03 02:00:49,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:00:49,916 INFO L130 BoogieDeclarations]: Found specification of procedure pt_poll_dsc [2022-11-03 02:00:49,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_poll_dsc [2022-11-03 02:00:49,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pt_mutex [2022-11-03 02:00:49,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pt_mutex [2022-11-03 02:00:49,917 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-03 02:00:49,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-03 02:00:49,917 INFO L130 BoogieDeclarations]: Found specification of procedure pt_req_sense [2022-11-03 02:00:49,918 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_req_sense [2022-11-03 02:00:49,918 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-03 02:00:49,918 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-03 02:00:49,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:00:49,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_17 [2022-11-03 02:00:49,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_17 [2022-11-03 02:00:49,920 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-03 02:00:49,921 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-03 02:00:49,921 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:00:49,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:00:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:00:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:00:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2022-11-03 02:00:49,922 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2022-11-03 02:00:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure pt_completion [2022-11-03 02:00:49,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_completion [2022-11-03 02:00:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:00:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure pt_sleep [2022-11-03 02:00:49,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_sleep [2022-11-03 02:00:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write_fm [2022-11-03 02:00:49,924 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write_fm [2022-11-03 02:00:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-11-03 02:00:49,924 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-11-03 02:00:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2022-11-03 02:00:49,924 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2022-11-03 02:00:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:00:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:00:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2022-11-03 02:00:49,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2022-11-03 02:00:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2022-11-03 02:00:49,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2022-11-03 02:00:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-03 02:00:49,926 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-03 02:00:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure pt_wait [2022-11-03 02:00:49,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_wait [2022-11-03 02:00:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2022-11-03 02:00:49,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2022-11-03 02:00:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2022-11-03 02:00:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2022-11-03 02:00:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure pt_probe [2022-11-03 02:00:49,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_probe [2022-11-03 02:00:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:00:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure pt_rewind [2022-11-03 02:00:49,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_rewind [2022-11-03 02:00:49,929 INFO L130 BoogieDeclarations]: Found specification of procedure xn [2022-11-03 02:00:49,929 INFO L138 BoogieDeclarations]: Found implementation of procedure xn [2022-11-03 02:00:49,929 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-03 02:00:49,930 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-03 02:00:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:00:49,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:00:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2022-11-03 02:00:49,931 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2022-11-03 02:00:50,391 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:00:50,398 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:00:58,129 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:00:58,585 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:00:58,586 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-03 02:00:58,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:00:58 BoogieIcfgContainer [2022-11-03 02:00:58,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:00:58,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:00:58,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:00:58,598 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:00:58,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:00:47" (1/3) ... [2022-11-03 02:00:58,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2179f193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:00:58, skipping insertion in model container [2022-11-03 02:00:58,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:00:49" (2/3) ... [2022-11-03 02:00:58,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2179f193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:00:58, skipping insertion in model container [2022-11-03 02:00:58,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:00:58" (3/3) ... [2022-11-03 02:00:58,605 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2022-11-03 02:00:58,623 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:00:58,624 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:00:58,708 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:00:58,715 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=FINITE_AUTOMATA, 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;@34c7f4ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:00:58,716 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:00:58,724 INFO L276 IsEmpty]: Start isEmpty. Operand has 540 states, 333 states have (on average 1.3753753753753755) internal successors, (458), 355 states have internal predecessors, (458), 167 states have call successors, (167), 42 states have call predecessors, (167), 42 states have return successors, (167), 167 states have call predecessors, (167), 167 states have call successors, (167) [2022-11-03 02:00:58,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-03 02:00:58,738 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:00:58,745 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:00:58,746 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:00:58,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:00:58,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1019690387, now seen corresponding path program 1 times [2022-11-03 02:00:58,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:00:58,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975906948] [2022-11-03 02:00:58,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:00:58,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:00:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:00:59,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:00:59,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:00:59,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975906948] [2022-11-03 02:00:59,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975906948] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:00:59,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:00:59,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:00:59,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623103121] [2022-11-03 02:00:59,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:00:59,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:00:59,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:00:59,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:00:59,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:00:59,281 INFO L87 Difference]: Start difference. First operand has 540 states, 333 states have (on average 1.3753753753753755) internal successors, (458), 355 states have internal predecessors, (458), 167 states have call successors, (167), 42 states have call predecessors, (167), 42 states have return successors, (167), 167 states have call predecessors, (167), 167 states have call successors, (167) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:01:00,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:01:00,557 INFO L93 Difference]: Finished difference Result 1311 states and 1957 transitions. [2022-11-03 02:01:00,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:01:00,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-03 02:01:00,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:01:00,579 INFO L225 Difference]: With dead ends: 1311 [2022-11-03 02:01:00,580 INFO L226 Difference]: Without dead ends: 768 [2022-11-03 02:01:00,590 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 [2022-11-03 02:01:00,594 INFO L413 NwaCegarLoop]: 871 mSDtfsCounter, 347 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 1522 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:01:00,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 1522 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-03 02:01:00,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2022-11-03 02:01:00,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 748. [2022-11-03 02:01:00,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 455 states have (on average 1.3648351648351649) internal successors, (621), 477 states have internal predecessors, (621), 228 states have call successors, (228), 65 states have call predecessors, (228), 64 states have return successors, (222), 222 states have call predecessors, (222), 222 states have call successors, (222) [2022-11-03 02:01:00,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1071 transitions. [2022-11-03 02:01:00,765 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1071 transitions. Word has length 16 [2022-11-03 02:01:00,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:01:00,767 INFO L495 AbstractCegarLoop]: Abstraction has 748 states and 1071 transitions. [2022-11-03 02:01:00,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:01:00,768 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1071 transitions. [2022-11-03 02:01:00,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 02:01:00,770 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:01:00,770 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:01:00,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:01:00,771 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:01:00,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:01:00,772 INFO L85 PathProgramCache]: Analyzing trace with hash -243826793, now seen corresponding path program 1 times [2022-11-03 02:01:00,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:01:00,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897640464] [2022-11-03 02:01:00,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:01:00,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:01:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:01:00,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:01:00,981 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:01:00,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897640464] [2022-11-03 02:01:00,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897640464] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:01:00,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:01:00,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:01:00,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865715132] [2022-11-03 02:01:00,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:01:00,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:01:00,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:01:00,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:01:00,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:01:00,988 INFO L87 Difference]: Start difference. First operand 748 states and 1071 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:01:01,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:01:01,419 INFO L93 Difference]: Finished difference Result 1495 states and 2141 transitions. [2022-11-03 02:01:01,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:01:01,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-03 02:01:01,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:01:01,425 INFO L225 Difference]: With dead ends: 1495 [2022-11-03 02:01:01,425 INFO L226 Difference]: Without dead ends: 748 [2022-11-03 02:01:01,428 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 [2022-11-03 02:01:01,429 INFO L413 NwaCegarLoop]: 675 mSDtfsCounter, 750 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 750 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:01:01,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [750 Valid, 675 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:01:01,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2022-11-03 02:01:01,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 748. [2022-11-03 02:01:01,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 455 states have (on average 1.3604395604395605) internal successors, (619), 477 states have internal predecessors, (619), 228 states have call successors, (228), 65 states have call predecessors, (228), 64 states have return successors, (222), 222 states have call predecessors, (222), 222 states have call successors, (222) [2022-11-03 02:01:01,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1069 transitions. [2022-11-03 02:01:01,478 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1069 transitions. Word has length 15 [2022-11-03 02:01:01,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:01:01,478 INFO L495 AbstractCegarLoop]: Abstraction has 748 states and 1069 transitions. [2022-11-03 02:01:01,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:01:01,478 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1069 transitions. [2022-11-03 02:01:01,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:01:01,479 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:01:01,479 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:01:01,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:01:01,480 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:01:01,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:01:01,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1431047827, now seen corresponding path program 1 times [2022-11-03 02:01:01,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:01:01,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294812001] [2022-11-03 02:01:01,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:01:01,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:01:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:01:01,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:01:01,588 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:01:01,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294812001] [2022-11-03 02:01:01,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294812001] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:01:01,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:01:01,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:01:01,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729433916] [2022-11-03 02:01:01,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:01:01,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:01:01,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:01:01,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:01:01,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:01:01,591 INFO L87 Difference]: Start difference. First operand 748 states and 1069 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:01:02,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:01:02,241 INFO L93 Difference]: Finished difference Result 1655 states and 2347 transitions. [2022-11-03 02:01:02,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:01:02,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-03 02:01:02,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:01:02,247 INFO L225 Difference]: With dead ends: 1655 [2022-11-03 02:01:02,248 INFO L226 Difference]: Without dead ends: 908 [2022-11-03 02:01:02,251 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 [2022-11-03 02:01:02,252 INFO L413 NwaCegarLoop]: 838 mSDtfsCounter, 325 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 1395 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:01:02,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 1395 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 02:01:02,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2022-11-03 02:01:02,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 908. [2022-11-03 02:01:02,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 547 states have (on average 1.3455210237659962) internal successors, (736), 574 states have internal predecessors, (736), 273 states have call successors, (273), 88 states have call predecessors, (273), 87 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2022-11-03 02:01:02,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1276 transitions. [2022-11-03 02:01:02,308 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1276 transitions. Word has length 17 [2022-11-03 02:01:02,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:01:02,309 INFO L495 AbstractCegarLoop]: Abstraction has 908 states and 1276 transitions. [2022-11-03 02:01:02,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:01:02,309 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1276 transitions. [2022-11-03 02:01:02,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-03 02:01:02,310 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:01:02,310 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:01:02,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:01:02,311 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:01:02,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:01:02,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1785446279, now seen corresponding path program 1 times [2022-11-03 02:01:02,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:01:02,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259354872] [2022-11-03 02:01:02,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:01:02,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:01:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:01:02,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:01:02,488 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:01:02,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259354872] [2022-11-03 02:01:02,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259354872] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:01:02,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:01:02,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:01:02,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102323780] [2022-11-03 02:01:02,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:01:02,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:01:02,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:01:02,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:01:02,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:01:02,495 INFO L87 Difference]: Start difference. First operand 908 states and 1276 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:01:03,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:01:03,098 INFO L93 Difference]: Finished difference Result 1828 states and 2574 transitions. [2022-11-03 02:01:03,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:01:03,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-03 02:01:03,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:01:03,107 INFO L225 Difference]: With dead ends: 1828 [2022-11-03 02:01:03,107 INFO L226 Difference]: Without dead ends: 930 [2022-11-03 02:01:03,111 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 [2022-11-03 02:01:03,112 INFO L413 NwaCegarLoop]: 677 mSDtfsCounter, 10 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1349 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:01:03,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1349 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 02:01:03,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2022-11-03 02:01:03,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 910. [2022-11-03 02:01:03,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 910 states, 549 states have (on average 1.3442622950819672) internal successors, (738), 576 states have internal predecessors, (738), 273 states have call successors, (273), 88 states have call predecessors, (273), 87 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2022-11-03 02:01:03,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1278 transitions. [2022-11-03 02:01:03,167 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1278 transitions. Word has length 19 [2022-11-03 02:01:03,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:01:03,167 INFO L495 AbstractCegarLoop]: Abstraction has 910 states and 1278 transitions. [2022-11-03 02:01:03,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:01:03,168 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1278 transitions. [2022-11-03 02:01:03,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 02:01:03,169 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:01:03,169 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:01:03,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:01:03,169 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:01:03,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:01:03,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1718297963, now seen corresponding path program 1 times [2022-11-03 02:01:03,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:01:03,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424815427] [2022-11-03 02:01:03,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:01:03,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:01:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:01:03,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:01:03,276 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:01:03,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424815427] [2022-11-03 02:01:03,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424815427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:01:03,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:01:03,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:01:03,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136958061] [2022-11-03 02:01:03,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:01:03,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:01:03,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:01:03,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:01:03,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:01:03,279 INFO L87 Difference]: Start difference. First operand 910 states and 1278 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:01:04,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:01:04,081 INFO L93 Difference]: Finished difference Result 2007 states and 2867 transitions. [2022-11-03 02:01:04,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:01:04,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-03 02:01:04,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:01:04,088 INFO L225 Difference]: With dead ends: 2007 [2022-11-03 02:01:04,088 INFO L226 Difference]: Without dead ends: 1107 [2022-11-03 02:01:04,093 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 [2022-11-03 02:01:04,095 INFO L413 NwaCegarLoop]: 924 mSDtfsCounter, 183 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 1642 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:01:04,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 1642 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 02:01:04,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2022-11-03 02:01:04,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 918. [2022-11-03 02:01:04,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 557 states have (on average 1.3464991023339319) internal successors, (750), 584 states have internal predecessors, (750), 273 states have call successors, (273), 88 states have call predecessors, (273), 87 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2022-11-03 02:01:04,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1290 transitions. [2022-11-03 02:01:04,219 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1290 transitions. Word has length 22 [2022-11-03 02:01:04,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:01:04,220 INFO L495 AbstractCegarLoop]: Abstraction has 918 states and 1290 transitions. [2022-11-03 02:01:04,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:01:04,220 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1290 transitions. [2022-11-03 02:01:04,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-03 02:01:04,221 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:01:04,222 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] [2022-11-03 02:01:04,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:01:04,222 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:01:04,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:01:04,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1684008486, now seen corresponding path program 1 times [2022-11-03 02:01:04,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:01:04,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212000758] [2022-11-03 02:01:04,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:01:04,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:01:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:01:04,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:01:04,422 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:01:04,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212000758] [2022-11-03 02:01:04,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212000758] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:01:04,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640426538] [2022-11-03 02:01:04,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:01:04,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:01:04,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:01:04,425 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:01:04,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:01:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:01:04,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:01:04,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:01:05,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:01:05,035 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:01:05,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640426538] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:01:05,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:01:05,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-03 02:01:05,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059212627] [2022-11-03 02:01:05,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:01:05,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:01:05,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:01:05,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:01:05,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:01:05,037 INFO L87 Difference]: Start difference. First operand 918 states and 1290 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:01:05,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:01:05,514 INFO L93 Difference]: Finished difference Result 920 states and 1291 transitions. [2022-11-03 02:01:05,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:01:05,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2022-11-03 02:01:05,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:01:05,521 INFO L225 Difference]: With dead ends: 920 [2022-11-03 02:01:05,521 INFO L226 Difference]: Without dead ends: 917 [2022-11-03 02:01:05,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:01:05,523 INFO L413 NwaCegarLoop]: 673 mSDtfsCounter, 732 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 732 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:01:05,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [732 Valid, 673 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:01:05,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2022-11-03 02:01:05,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 917. [2022-11-03 02:01:05,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 917 states, 557 states have (on average 1.3447037701974864) internal successors, (749), 583 states have internal predecessors, (749), 272 states have call successors, (272), 88 states have call predecessors, (272), 87 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2022-11-03 02:01:05,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 917 states and 1288 transitions. [2022-11-03 02:01:05,585 INFO L78 Accepts]: Start accepts. Automaton has 917 states and 1288 transitions. Word has length 27 [2022-11-03 02:01:05,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:01:05,585 INFO L495 AbstractCegarLoop]: Abstraction has 917 states and 1288 transitions. [2022-11-03 02:01:05,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:01:05,586 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1288 transitions. [2022-11-03 02:01:05,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-03 02:01:05,587 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:01:05,587 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] [2022-11-03 02:01:05,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:01:05,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-03 02:01:05,800 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:01:05,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:01:05,801 INFO L85 PathProgramCache]: Analyzing trace with hash -665039918, now seen corresponding path program 1 times [2022-11-03 02:01:05,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:01:05,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274436664] [2022-11-03 02:01:05,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:01:05,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:01:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:01:06,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:01:06,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:01:06,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274436664] [2022-11-03 02:01:06,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274436664] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:01:06,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595119486] [2022-11-03 02:01:06,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:01:06,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:01:06,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:01:06,030 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:01:06,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:01:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:01:06,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 1046 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:01:06,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:01:06,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:01:06,607 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:01:06,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595119486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:01:06,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:01:06,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-03 02:01:06,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943610072] [2022-11-03 02:01:06,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:01:06,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:01:06,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:01:06,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:01:06,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:01:06,609 INFO L87 Difference]: Start difference. First operand 917 states and 1288 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:01:07,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:01:07,019 INFO L93 Difference]: Finished difference Result 919 states and 1289 transitions. [2022-11-03 02:01:07,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:01:07,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-11-03 02:01:07,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:01:07,026 INFO L225 Difference]: With dead ends: 919 [2022-11-03 02:01:07,026 INFO L226 Difference]: Without dead ends: 916 [2022-11-03 02:01:07,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:01:07,028 INFO L413 NwaCegarLoop]: 671 mSDtfsCounter, 729 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 729 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:01:07,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [729 Valid, 671 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:01:07,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2022-11-03 02:01:07,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 916. [2022-11-03 02:01:07,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 916 states, 557 states have (on average 1.3429084380610412) internal successors, (748), 582 states have internal predecessors, (748), 271 states have call successors, (271), 88 states have call predecessors, (271), 87 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2022-11-03 02:01:07,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1286 transitions. [2022-11-03 02:01:07,093 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1286 transitions. Word has length 28 [2022-11-03 02:01:07,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:01:07,094 INFO L495 AbstractCegarLoop]: Abstraction has 916 states and 1286 transitions. [2022-11-03 02:01:07,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:01:07,094 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1286 transitions. [2022-11-03 02:01:07,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-03 02:01:07,095 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:01:07,095 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:01:07,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:01:07,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-03 02:01:07,308 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:01:07,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:01:07,308 INFO L85 PathProgramCache]: Analyzing trace with hash 858219485, now seen corresponding path program 1 times [2022-11-03 02:01:07,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:01:07,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108924848] [2022-11-03 02:01:07,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:01:07,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:01:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:01:07,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:01:07,486 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:01:07,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108924848] [2022-11-03 02:01:07,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108924848] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:01:07,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559494856] [2022-11-03 02:01:07,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:01:07,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:01:07,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:01:07,489 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:01:07,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:01:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:01:08,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:01:08,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:01:08,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:01:08,120 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:01:08,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559494856] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:01:08,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:01:08,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-03 02:01:08,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457588328] [2022-11-03 02:01:08,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:01:08,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:01:08,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:01:08,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:01:08,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:01:08,123 INFO L87 Difference]: Start difference. First operand 916 states and 1286 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:01:08,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:01:08,491 INFO L93 Difference]: Finished difference Result 918 states and 1287 transitions. [2022-11-03 02:01:08,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:01:08,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-11-03 02:01:08,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:01:08,498 INFO L225 Difference]: With dead ends: 918 [2022-11-03 02:01:08,498 INFO L226 Difference]: Without dead ends: 915 [2022-11-03 02:01:08,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:01:08,504 INFO L413 NwaCegarLoop]: 669 mSDtfsCounter, 726 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:01:08,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 669 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:01:08,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2022-11-03 02:01:08,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 915. [2022-11-03 02:01:08,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 915 states, 557 states have (on average 1.341113105924596) internal successors, (747), 581 states have internal predecessors, (747), 270 states have call successors, (270), 88 states have call predecessors, (270), 87 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2022-11-03 02:01:08,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1284 transitions. [2022-11-03 02:01:08,596 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1284 transitions. Word has length 29 [2022-11-03 02:01:08,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:01:08,597 INFO L495 AbstractCegarLoop]: Abstraction has 915 states and 1284 transitions. [2022-11-03 02:01:08,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:01:08,597 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1284 transitions. [2022-11-03 02:01:08,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 02:01:08,600 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:01:08,600 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] [2022-11-03 02:01:08,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:01:08,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-03 02:01:08,815 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:01:08,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:01:08,815 INFO L85 PathProgramCache]: Analyzing trace with hash 834625589, now seen corresponding path program 1 times [2022-11-03 02:01:08,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:01:08,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754885209] [2022-11-03 02:01:08,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:01:08,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:01:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:01:08,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:01:08,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:01:08,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754885209] [2022-11-03 02:01:08,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754885209] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:01:08,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935780858] [2022-11-03 02:01:08,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:01:08,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:01:08,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:01:08,976 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:01:09,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 02:01:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:01:09,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 1050 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:01:09,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:01:09,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:01:09,550 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:01:09,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935780858] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:01:09,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:01:09,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-03 02:01:09,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344258867] [2022-11-03 02:01:09,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:01:09,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:01:09,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:01:09,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:01:09,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:01:09,552 INFO L87 Difference]: Start difference. First operand 915 states and 1284 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:01:10,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:01:10,071 INFO L93 Difference]: Finished difference Result 1068 states and 1480 transitions. [2022-11-03 02:01:10,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:01:10,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-11-03 02:01:10,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:01:10,079 INFO L225 Difference]: With dead ends: 1068 [2022-11-03 02:01:10,079 INFO L226 Difference]: Without dead ends: 1041 [2022-11-03 02:01:10,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:01:10,081 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 668 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:01:10,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 1043 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:01:10,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2022-11-03 02:01:10,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 1041. [2022-11-03 02:01:10,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1041 states, 620 states have (on average 1.3177419354838709) internal successors, (817), 646 states have internal predecessors, (817), 314 states have call successors, (314), 107 states have call predecessors, (314), 106 states have return successors, (313), 313 states have call predecessors, (313), 313 states have call successors, (313) [2022-11-03 02:01:10,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1444 transitions. [2022-11-03 02:01:10,170 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1444 transitions. Word has length 30 [2022-11-03 02:01:10,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:01:10,171 INFO L495 AbstractCegarLoop]: Abstraction has 1041 states and 1444 transitions. [2022-11-03 02:01:10,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:01:10,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1444 transitions. [2022-11-03 02:01:10,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-03 02:01:10,173 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:01:10,173 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:01:10,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 02:01:10,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:01:10,393 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:01:10,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:01:10,393 INFO L85 PathProgramCache]: Analyzing trace with hash 904140899, now seen corresponding path program 1 times [2022-11-03 02:01:10,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:01:10,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419230117] [2022-11-03 02:01:10,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:01:10,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:01:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:01:10,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:01:10,576 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:01:10,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419230117] [2022-11-03 02:01:10,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419230117] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:01:10,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201875042] [2022-11-03 02:01:10,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:01:10,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:01:10,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:01:10,579 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:01:10,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 02:01:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:01:11,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 1249 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:01:11,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:01:11,153 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:01:11,154 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:01:11,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201875042] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:01:11,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:01:11,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-03 02:01:11,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081546582] [2022-11-03 02:01:11,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:01:11,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:01:11,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:01:11,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:01:11,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:01:11,157 INFO L87 Difference]: Start difference. First operand 1041 states and 1444 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-03 02:01:11,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:01:11,772 INFO L93 Difference]: Finished difference Result 2078 states and 2884 transitions. [2022-11-03 02:01:11,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:01:11,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2022-11-03 02:01:11,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:01:11,780 INFO L225 Difference]: With dead ends: 2078 [2022-11-03 02:01:11,780 INFO L226 Difference]: Without dead ends: 1047 [2022-11-03 02:01:11,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:01:11,785 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 4 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1280 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:01:11,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1280 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 02:01:11,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2022-11-03 02:01:11,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 1043. [2022-11-03 02:01:11,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1043 states, 622 states have (on average 1.3167202572347267) internal successors, (819), 648 states have internal predecessors, (819), 314 states have call successors, (314), 107 states have call predecessors, (314), 106 states have return successors, (313), 313 states have call predecessors, (313), 313 states have call successors, (313) [2022-11-03 02:01:11,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1446 transitions. [2022-11-03 02:01:11,868 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1446 transitions. Word has length 50 [2022-11-03 02:01:11,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:01:11,868 INFO L495 AbstractCegarLoop]: Abstraction has 1043 states and 1446 transitions. [2022-11-03 02:01:11,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-03 02:01:11,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1446 transitions. [2022-11-03 02:01:11,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-03 02:01:11,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:01:11,871 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:01:11,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-03 02:01:12,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-03 02:01:12,084 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:01:12,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:01:12,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1551679401, now seen corresponding path program 1 times [2022-11-03 02:01:12,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:01:12,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334829739] [2022-11-03 02:01:12,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:01:12,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:01:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:01:12,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:01:12,316 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:01:12,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334829739] [2022-11-03 02:01:12,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334829739] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:01:12,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63954672] [2022-11-03 02:01:12,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:01:12,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:01:12,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:01:12,318 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:01:12,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-03 02:01:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:01:12,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 1256 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:01:12,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:01:12,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:01:12,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:01:12,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:01:12,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63954672] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:01:12,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [656525974] [2022-11-03 02:01:12,996 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2022-11-03 02:01:12,998 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:01:13,002 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:01:13,008 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:01:13,009 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:01:14,262 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 116 [2022-11-03 02:01:14,390 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-03 02:01:14,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:14,687 INFO L244 Elim1Store]: Index analysis took 105 ms [2022-11-03 02:01:14,696 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 24 select indices, 24 select index equivalence classes, 325 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 916 treesize of output 801 [2022-11-03 02:01:15,405 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 110 [2022-11-03 02:01:15,535 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-03 02:01:20,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:20,191 INFO L244 Elim1Store]: Index analysis took 240 ms [2022-11-03 02:01:23,450 INFO L356 Elim1Store]: treesize reduction 640, result has 47.4 percent of original size [2022-11-03 02:01:23,452 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 65 select indices, 65 select index equivalence classes, 2082 disjoint index pairs (out of 2080 index pairs), introduced 65 new quantified variables, introduced 64 case distinctions, treesize of input 332 treesize of output 782 [2022-11-03 02:01:24,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:24,334 INFO L244 Elim1Store]: Index analysis took 246 ms [2022-11-03 02:01:29,009 INFO L356 Elim1Store]: treesize reduction 1152, result has 33.4 percent of original size [2022-11-03 02:01:29,011 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 67 select indices, 67 select index equivalence classes, 2147 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 128 case distinctions, treesize of input 342 treesize of output 793 [2022-11-03 02:01:31,488 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 409 treesize of output 325 [2022-11-03 02:01:31,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:31,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:31,763 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 434 treesize of output 352 [2022-11-03 02:01:31,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:31,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:31,843 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 421 treesize of output 344 [2022-11-03 02:01:32,172 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 415 treesize of output 331 [2022-11-03 02:01:32,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:32,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:32,304 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 420 treesize of output 338 [2022-11-03 02:01:32,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:32,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:32,396 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 407 treesize of output 330 [2022-11-03 02:01:32,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:32,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:32,482 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 418 treesize of output 339 [2022-11-03 02:01:32,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:32,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:32,596 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 409 treesize of output 330 [2022-11-03 02:01:32,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:32,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:32,695 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 414 treesize of output 335 [2022-11-03 02:01:33,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:33,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-03 02:01:33,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:01:33,588 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Unexpected substitution problem. at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1(Elim1Store.java:340) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:427) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:190) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:122) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:108) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:93) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:627) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:606) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:528) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:285) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:119) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-03 02:01:33,592 INFO L158 Benchmark]: Toolchain (without parser) took 45631.18ms. Allocated memory was 117.4MB in the beginning and 885.0MB in the end (delta: 767.6MB). Free memory was 71.3MB in the beginning and 577.8MB in the end (delta: -506.6MB). Peak memory consumption was 464.7MB. Max. memory is 16.1GB. [2022-11-03 02:01:33,592 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:01:33,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1576.79ms. Allocated memory was 117.4MB in the beginning and 207.6MB in the end (delta: 90.2MB). Free memory was 71.1MB in the beginning and 140.2MB in the end (delta: -69.1MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2022-11-03 02:01:33,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 142.73ms. Allocated memory is still 207.6MB. Free memory was 140.2MB in the beginning and 130.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:01:33,593 INFO L158 Benchmark]: Boogie Preprocessor took 140.56ms. Allocated memory is still 207.6MB. Free memory was 130.8MB in the beginning and 120.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:01:33,593 INFO L158 Benchmark]: RCFGBuilder took 8765.21ms. Allocated memory was 207.6MB in the beginning and 289.4MB in the end (delta: 81.8MB). Free memory was 120.3MB in the beginning and 196.1MB in the end (delta: -75.8MB). Peak memory consumption was 135.4MB. Max. memory is 16.1GB. [2022-11-03 02:01:33,593 INFO L158 Benchmark]: TraceAbstraction took 34996.27ms. Allocated memory was 289.4MB in the beginning and 885.0MB in the end (delta: 595.6MB). Free memory was 195.1MB in the beginning and 577.8MB in the end (delta: -382.8MB). Peak memory consumption was 417.3MB. Max. memory is 16.1GB. [2022-11-03 02:01:33,595 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1576.79ms. Allocated memory was 117.4MB in the beginning and 207.6MB in the end (delta: 90.2MB). Free memory was 71.1MB in the beginning and 140.2MB in the end (delta: -69.1MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 142.73ms. Allocated memory is still 207.6MB. Free memory was 140.2MB in the beginning and 130.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 140.56ms. Allocated memory is still 207.6MB. Free memory was 130.8MB in the beginning and 120.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 8765.21ms. Allocated memory was 207.6MB in the beginning and 289.4MB in the end (delta: 81.8MB). Free memory was 120.3MB in the beginning and 196.1MB in the end (delta: -75.8MB). Peak memory consumption was 135.4MB. Max. memory is 16.1GB. * TraceAbstraction took 34996.27ms. Allocated memory was 289.4MB in the beginning and 885.0MB in the end (delta: 595.6MB). Free memory was 195.1MB in the beginning and 577.8MB in the end (delta: -382.8MB). Peak memory consumption was 417.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Unexpected substitution problem. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Unexpected substitution problem.: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1(Elim1Store.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-03 02:01:33,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b --- 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-5e519f3 [2022-11-03 02:01:36,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:01:36,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:01:36,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:01:36,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:01:36,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:01:36,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:01:36,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:01:36,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:01:36,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:01:36,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:01:36,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:01:36,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:01:36,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:01:36,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:01:36,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:01:36,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:01:36,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:01:36,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:01:36,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:01:36,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:01:36,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:01:36,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:01:36,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:01:36,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:01:36,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:01:36,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:01:36,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:01:36,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:01:36,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:01:36,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:01:36,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:01:36,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:01:36,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:01:36,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:01:36,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:01:36,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:01:36,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:01:36,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:01:36,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:01:36,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:01:36,127 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-03 02:01:36,152 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:01:36,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:01:36,157 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:01:36,157 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:01:36,159 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:01:36,160 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:01:36,160 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:01:36,160 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:01:36,160 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:01:36,160 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:01:36,161 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:01:36,162 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:01:36,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:01:36,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:01:36,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:01:36,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:01:36,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:01:36,164 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 02:01:36,164 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 02:01:36,165 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 02:01:36,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:01:36,165 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:01:36,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:01:36,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:01:36,166 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 02:01:36,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:01:36,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:01:36,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:01:36,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:01:36,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:01:36,167 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 02:01:36,167 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 02:01:36,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:01:36,168 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:01:36,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 02:01:36,168 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b [2022-11-03 02:01:36,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:01:36,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:01:36,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:01:36,620 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:01:36,621 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:01:36,622 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2022-11-03 02:01:36,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/data/d2a544dba/87ed513daffc4c9eb52da59d4e64037c/FLAG793f15515 [2022-11-03 02:01:37,633 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:01:37,635 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2022-11-03 02:01:37,675 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/data/d2a544dba/87ed513daffc4c9eb52da59d4e64037c/FLAG793f15515 [2022-11-03 02:01:38,151 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/data/d2a544dba/87ed513daffc4c9eb52da59d4e64037c [2022-11-03 02:01:38,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:01:38,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:01:38,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:01:38,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:01:38,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:01:38,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:01:38" (1/1) ... [2022-11-03 02:01:38,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1909ed82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:38, skipping insertion in model container [2022-11-03 02:01:38,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:01:38" (1/1) ... [2022-11-03 02:01:38,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:01:38,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:01:39,466 WARN L230 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_a983ca37-f280-48b2-b3f7-3d3df9f434df/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i[119285,119298] [2022-11-03 02:01:39,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:01:39,623 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-03 02:01:39,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:01:39,830 WARN L230 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_a983ca37-f280-48b2-b3f7-3d3df9f434df/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i[119285,119298] [2022-11-03 02:01:39,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:01:39,870 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:01:40,072 WARN L230 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_a983ca37-f280-48b2-b3f7-3d3df9f434df/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i[119285,119298] [2022-11-03 02:01:40,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:01:40,148 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:01:40,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:40 WrapperNode [2022-11-03 02:01:40,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:01:40,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:01:40,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:01:40,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:01:40,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:40" (1/1) ... [2022-11-03 02:01:40,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:40" (1/1) ... [2022-11-03 02:01:40,354 INFO L138 Inliner]: procedures = 152, calls = 800, calls flagged for inlining = 49, calls inlined = 41, statements flattened = 1381 [2022-11-03 02:01:40,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:01:40,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:01:40,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:01:40,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:01:40,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:40" (1/1) ... [2022-11-03 02:01:40,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:40" (1/1) ... [2022-11-03 02:01:40,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:40" (1/1) ... [2022-11-03 02:01:40,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:40" (1/1) ... [2022-11-03 02:01:40,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:40" (1/1) ... [2022-11-03 02:01:40,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:40" (1/1) ... [2022-11-03 02:01:40,492 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:40" (1/1) ... [2022-11-03 02:01:40,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:40" (1/1) ... [2022-11-03 02:01:40,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:01:40,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:01:40,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:01:40,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:01:40,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:40" (1/1) ... [2022-11-03 02:01:40,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:01:40,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:01:40,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:01:40,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:01:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2022-11-03 02:01:40,635 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2022-11-03 02:01:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2022-11-03 02:01:40,635 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2022-11-03 02:01:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-03 02:01:40,636 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2022-11-03 02:01:40,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2022-11-03 02:01:40,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pt_mutex [2022-11-03 02:01:40,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pt_mutex [2022-11-03 02:01:40,636 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2022-11-03 02:01:40,637 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2022-11-03 02:01:40,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-03 02:01:40,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-03 02:01:40,637 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2022-11-03 02:01:40,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2022-11-03 02:01:40,637 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2022-11-03 02:01:40,638 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2022-11-03 02:01:40,638 INFO L130 BoogieDeclarations]: Found specification of procedure pt_media_access_cmd [2022-11-03 02:01:40,638 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_media_access_cmd [2022-11-03 02:01:40,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:01:40,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:01:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure pt_reset [2022-11-03 02:01:40,639 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_reset [2022-11-03 02:01:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure pt_identify [2022-11-03 02:01:40,639 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_identify [2022-11-03 02:01:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure pt_command [2022-11-03 02:01:40,639 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_command [2022-11-03 02:01:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 02:01:40,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 02:01:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write [2022-11-03 02:01:40,640 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write [2022-11-03 02:01:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 02:01:40,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 02:01:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:01:40,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:01:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure pt_atapi [2022-11-03 02:01:40,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_atapi [2022-11-03 02:01:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:01:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure pt_poll_dsc [2022-11-03 02:01:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_poll_dsc [2022-11-03 02:01:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pt_mutex [2022-11-03 02:01:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pt_mutex [2022-11-03 02:01:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-03 02:01:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-03 02:01:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure pt_req_sense [2022-11-03 02:01:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_req_sense [2022-11-03 02:01:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-03 02:01:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-03 02:01:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:01:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_17 [2022-11-03 02:01:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_17 [2022-11-03 02:01:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-03 02:01:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-03 02:01:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:01:40,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:01:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:01:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:01:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2022-11-03 02:01:40,645 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2022-11-03 02:01:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure pt_completion [2022-11-03 02:01:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_completion [2022-11-03 02:01:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:01:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure pt_sleep [2022-11-03 02:01:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_sleep [2022-11-03 02:01:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write_fm [2022-11-03 02:01:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write_fm [2022-11-03 02:01:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-11-03 02:01:40,671 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-11-03 02:01:40,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-03 02:01:40,672 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2022-11-03 02:01:40,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2022-11-03 02:01:40,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:01:40,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-03 02:01:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:01:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2022-11-03 02:01:40,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2022-11-03 02:01:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2022-11-03 02:01:40,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2022-11-03 02:01:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-03 02:01:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-03 02:01:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-03 02:01:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-03 02:01:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure pt_wait [2022-11-03 02:01:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_wait [2022-11-03 02:01:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-03 02:01:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2022-11-03 02:01:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2022-11-03 02:01:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2022-11-03 02:01:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2022-11-03 02:01:40,677 INFO L130 BoogieDeclarations]: Found specification of procedure pt_probe [2022-11-03 02:01:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_probe [2022-11-03 02:01:40,678 INFO L130 BoogieDeclarations]: Found specification of procedure pt_rewind [2022-11-03 02:01:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_rewind [2022-11-03 02:01:40,678 INFO L130 BoogieDeclarations]: Found specification of procedure xn [2022-11-03 02:01:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure xn [2022-11-03 02:01:40,679 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-03 02:01:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-03 02:01:40,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:01:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:01:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2022-11-03 02:01:40,680 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2022-11-03 02:01:41,230 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:01:41,233 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:02:09,217 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:02:09,230 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:02:09,231 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-03 02:02:09,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:02:09 BoogieIcfgContainer [2022-11-03 02:02:09,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:02:09,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:02:09,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:02:09,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:02:09,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:01:38" (1/3) ... [2022-11-03 02:02:09,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ee36c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:02:09, skipping insertion in model container [2022-11-03 02:02:09,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:40" (2/3) ... [2022-11-03 02:02:09,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ee36c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:02:09, skipping insertion in model container [2022-11-03 02:02:09,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:02:09" (3/3) ... [2022-11-03 02:02:09,247 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2022-11-03 02:02:09,265 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:02:09,265 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:02:09,326 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:02:09,332 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=FINITE_AUTOMATA, 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;@1f6b29f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:02:09,332 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:02:09,342 INFO L276 IsEmpty]: Start isEmpty. Operand has 674 states, 467 states have (on average 1.3533190578158458) internal successors, (632), 489 states have internal predecessors, (632), 167 states have call successors, (167), 42 states have call predecessors, (167), 42 states have return successors, (167), 167 states have call predecessors, (167), 167 states have call successors, (167) [2022-11-03 02:02:09,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-03 02:02:09,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:02:09,357 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:02:09,358 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:02:09,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:02:09,366 INFO L85 PathProgramCache]: Analyzing trace with hash 334168328, now seen corresponding path program 1 times [2022-11-03 02:02:09,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:02:09,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69264622] [2022-11-03 02:02:09,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:09,383 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:02:09,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:02:09,388 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:02:09,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 02:02:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:10,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:02:10,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:10,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:02:10,182 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:02:10,182 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:02:10,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [69264622] [2022-11-03 02:02:10,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [69264622] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:02:10,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:02:10,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:02:10,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337844430] [2022-11-03 02:02:10,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:02:10,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:02:10,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:02:10,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:02:10,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:02:10,268 INFO L87 Difference]: Start difference. First operand has 674 states, 467 states have (on average 1.3533190578158458) internal successors, (632), 489 states have internal predecessors, (632), 167 states have call successors, (167), 42 states have call predecessors, (167), 42 states have return successors, (167), 167 states have call predecessors, (167), 167 states have call successors, (167) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:02:12,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:12,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:02:12,924 INFO L93 Difference]: Finished difference Result 1645 states and 2392 transitions. [2022-11-03 02:02:12,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:02:12,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-11-03 02:02:12,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:02:12,946 INFO L225 Difference]: With dead ends: 1645 [2022-11-03 02:02:12,946 INFO L226 Difference]: Without dead ends: 966 [2022-11-03 02:02:12,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:02:12,961 INFO L413 NwaCegarLoop]: 1197 mSDtfsCounter, 439 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 2091 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:02:12,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 2091 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 02:02:12,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2022-11-03 02:02:13,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 938. [2022-11-03 02:02:13,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 645 states have (on average 1.3472868217054264) internal successors, (869), 667 states have internal predecessors, (869), 228 states have call successors, (228), 65 states have call predecessors, (228), 64 states have return successors, (222), 222 states have call predecessors, (222), 222 states have call successors, (222) [2022-11-03 02:02:13,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1319 transitions. [2022-11-03 02:02:13,142 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1319 transitions. Word has length 19 [2022-11-03 02:02:13,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:02:13,143 INFO L495 AbstractCegarLoop]: Abstraction has 938 states and 1319 transitions. [2022-11-03 02:02:13,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:02:13,144 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1319 transitions. [2022-11-03 02:02:13,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-03 02:02:13,148 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:02:13,148 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:02:13,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:02:13,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:02:13,363 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:02:13,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:02:13,364 INFO L85 PathProgramCache]: Analyzing trace with hash -720822466, now seen corresponding path program 1 times [2022-11-03 02:02:13,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:02:13,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [156116471] [2022-11-03 02:02:13,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:13,365 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:02:13,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:02:13,371 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:02:13,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 02:02:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:13,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:02:13,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:14,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:02:14,243 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:02:14,243 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:02:14,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [156116471] [2022-11-03 02:02:14,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [156116471] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:02:14,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:02:14,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:02:14,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695707400] [2022-11-03 02:02:14,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:02:14,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:02:14,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:02:14,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:02:14,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:02:14,246 INFO L87 Difference]: Start difference. First operand 938 states and 1319 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:02:14,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:02:14,353 INFO L93 Difference]: Finished difference Result 1873 states and 2635 transitions. [2022-11-03 02:02:14,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:02:14,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-03 02:02:14,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:02:14,364 INFO L225 Difference]: With dead ends: 1873 [2022-11-03 02:02:14,364 INFO L226 Difference]: Without dead ends: 938 [2022-11-03 02:02:14,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:02:14,375 INFO L413 NwaCegarLoop]: 927 mSDtfsCounter, 918 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 918 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:02:14,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [918 Valid, 927 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:02:14,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2022-11-03 02:02:14,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 938. [2022-11-03 02:02:14,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 645 states have (on average 1.344186046511628) internal successors, (867), 667 states have internal predecessors, (867), 228 states have call successors, (228), 65 states have call predecessors, (228), 64 states have return successors, (222), 222 states have call predecessors, (222), 222 states have call successors, (222) [2022-11-03 02:02:14,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1317 transitions. [2022-11-03 02:02:14,470 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1317 transitions. Word has length 19 [2022-11-03 02:02:14,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:02:14,471 INFO L495 AbstractCegarLoop]: Abstraction has 938 states and 1317 transitions. [2022-11-03 02:02:14,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:02:14,471 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1317 transitions. [2022-11-03 02:02:14,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-03 02:02:14,476 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:02:14,476 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:02:14,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-11-03 02:02:14,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:02:14,696 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:02:14,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:02:14,696 INFO L85 PathProgramCache]: Analyzing trace with hash 569153980, now seen corresponding path program 1 times [2022-11-03 02:02:14,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:02:14,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1335991996] [2022-11-03 02:02:14,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:14,698 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:02:14,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:02:14,700 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:02:14,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-03 02:02:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:15,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:02:15,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:15,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:02:15,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:02:15,524 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:02:15,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1335991996] [2022-11-03 02:02:15,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1335991996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:02:15,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:02:15,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:02:15,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931310269] [2022-11-03 02:02:15,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:02:15,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:02:15,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:02:15,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:02:15,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:02:15,526 INFO L87 Difference]: Start difference. First operand 938 states and 1317 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:02:15,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:02:15,908 INFO L93 Difference]: Finished difference Result 2411 states and 3394 transitions. [2022-11-03 02:02:15,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:02:15,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-03 02:02:15,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:02:15,917 INFO L225 Difference]: With dead ends: 2411 [2022-11-03 02:02:15,917 INFO L226 Difference]: Without dead ends: 1476 [2022-11-03 02:02:15,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:02:15,922 INFO L413 NwaCegarLoop]: 1609 mSDtfsCounter, 876 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 2380 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:02:15,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [876 Valid, 2380 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:02:15,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2022-11-03 02:02:16,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 1472. [2022-11-03 02:02:16,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1472 states, 1013 states have (on average 1.3455083909180652) internal successors, (1363), 1043 states have internal predecessors, (1363), 357 states have call successors, (357), 102 states have call predecessors, (357), 101 states have return successors, (351), 351 states have call predecessors, (351), 351 states have call successors, (351) [2022-11-03 02:02:16,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1472 states and 2071 transitions. [2022-11-03 02:02:16,053 INFO L78 Accepts]: Start accepts. Automaton has 1472 states and 2071 transitions. Word has length 25 [2022-11-03 02:02:16,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:02:16,053 INFO L495 AbstractCegarLoop]: Abstraction has 1472 states and 2071 transitions. [2022-11-03 02:02:16,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:02:16,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 2071 transitions. [2022-11-03 02:02:16,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 02:02:16,056 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:02:16,056 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] [2022-11-03 02:02:16,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:02:16,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:02:16,280 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:02:16,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:02:16,281 INFO L85 PathProgramCache]: Analyzing trace with hash 491627987, now seen corresponding path program 1 times [2022-11-03 02:02:16,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:02:16,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [378057967] [2022-11-03 02:02:16,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:16,282 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:02:16,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:02:16,284 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:02:16,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-03 02:02:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:16,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:02:16,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:16,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:02:16,964 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:02:16,965 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:02:16,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [378057967] [2022-11-03 02:02:16,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [378057967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:02:16,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:02:16,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:02:16,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507475312] [2022-11-03 02:02:16,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:02:16,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:02:16,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:02:16,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:02:16,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:02:16,967 INFO L87 Difference]: Start difference. First operand 1472 states and 2071 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:02:19,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:19,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:02:19,598 INFO L93 Difference]: Finished difference Result 2947 states and 4147 transitions. [2022-11-03 02:02:19,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:02:19,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-03 02:02:19,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:02:19,615 INFO L225 Difference]: With dead ends: 2947 [2022-11-03 02:02:19,615 INFO L226 Difference]: Without dead ends: 1478 [2022-11-03 02:02:19,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:02:19,625 INFO L413 NwaCegarLoop]: 925 mSDtfsCounter, 2 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1846 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:02:19,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1846 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 02:02:19,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2022-11-03 02:02:19,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1474. [2022-11-03 02:02:19,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1474 states, 1015 states have (on average 1.3448275862068966) internal successors, (1365), 1045 states have internal predecessors, (1365), 357 states have call successors, (357), 102 states have call predecessors, (357), 101 states have return successors, (351), 351 states have call predecessors, (351), 351 states have call successors, (351) [2022-11-03 02:02:19,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 2073 transitions. [2022-11-03 02:02:19,729 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 2073 transitions. Word has length 24 [2022-11-03 02:02:19,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:02:19,729 INFO L495 AbstractCegarLoop]: Abstraction has 1474 states and 2073 transitions. [2022-11-03 02:02:19,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:02:19,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 2073 transitions. [2022-11-03 02:02:19,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-03 02:02:19,731 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:02:19,731 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:02:19,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-03 02:02:19,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:02:19,953 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:02:19,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:02:19,953 INFO L85 PathProgramCache]: Analyzing trace with hash 402915506, now seen corresponding path program 1 times [2022-11-03 02:02:19,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:02:19,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [714527324] [2022-11-03 02:02:19,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:19,955 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:02:19,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:02:19,956 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:02:19,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 02:02:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:20,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:02:20,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:20,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:02:20,851 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:02:21,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:02:21,164 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:02:21,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [714527324] [2022-11-03 02:02:21,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [714527324] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:02:21,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [133310781] [2022-11-03 02:02:21,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:21,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:02:21,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:02:21,168 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:02:21,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-11-03 02:02:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:21,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:02:21,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:22,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:02:22,096 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:02:22,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [133310781] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:02:22,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:02:22,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2022-11-03 02:02:22,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691138399] [2022-11-03 02:02:22,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:02:22,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:02:22,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:02:22,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:02:22,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:02:22,098 INFO L87 Difference]: Start difference. First operand 1474 states and 2073 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:02:22,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:02:22,329 INFO L93 Difference]: Finished difference Result 3380 states and 4835 transitions. [2022-11-03 02:02:22,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:02:22,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-11-03 02:02:22,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:02:22,341 INFO L225 Difference]: With dead ends: 3380 [2022-11-03 02:02:22,341 INFO L226 Difference]: Without dead ends: 1909 [2022-11-03 02:02:22,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:02:22,365 INFO L413 NwaCegarLoop]: 1277 mSDtfsCounter, 246 mSDsluCounter, 972 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 2249 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:02:22,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 2249 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:02:22,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1909 states. [2022-11-03 02:02:22,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1909 to 1486. [2022-11-03 02:02:22,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1486 states, 1027 states have (on average 1.3446932814021422) internal successors, (1381), 1057 states have internal predecessors, (1381), 357 states have call successors, (357), 102 states have call predecessors, (357), 101 states have return successors, (351), 351 states have call predecessors, (351), 351 states have call successors, (351) [2022-11-03 02:02:22,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1486 states and 2089 transitions. [2022-11-03 02:02:22,492 INFO L78 Accepts]: Start accepts. Automaton has 1486 states and 2089 transitions. Word has length 29 [2022-11-03 02:02:22,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:02:22,493 INFO L495 AbstractCegarLoop]: Abstraction has 1486 states and 2089 transitions. [2022-11-03 02:02:22,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:02:22,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 2089 transitions. [2022-11-03 02:02:22,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-03 02:02:22,495 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:02:22,495 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] [2022-11-03 02:02:22,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-03 02:02:22,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2022-11-03 02:02:22,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:02:22,912 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:02:22,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:02:22,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1038619191, now seen corresponding path program 1 times [2022-11-03 02:02:22,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:02:22,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1006149702] [2022-11-03 02:02:22,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:22,914 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:02:22,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:02:22,917 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:02:22,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-03 02:02:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:23,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:02:23,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:23,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:02:23,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:02:24,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:02:24,117 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:02:24,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1006149702] [2022-11-03 02:02:24,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1006149702] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:02:24,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [45751421] [2022-11-03 02:02:24,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:24,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:02:24,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:02:24,119 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:02:24,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2022-11-03 02:02:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:24,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:02:24,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:25,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:02:25,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:02:25,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [45751421] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:02:25,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:02:25,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2022-11-03 02:02:25,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156276094] [2022-11-03 02:02:25,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:02:25,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:02:25,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:02:25,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:02:25,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:02:25,115 INFO L87 Difference]: Start difference. First operand 1486 states and 2089 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:02:25,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:02:25,389 INFO L93 Difference]: Finished difference Result 3436 states and 4919 transitions. [2022-11-03 02:02:25,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:02:25,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2022-11-03 02:02:25,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:02:25,408 INFO L225 Difference]: With dead ends: 3436 [2022-11-03 02:02:25,409 INFO L226 Difference]: Without dead ends: 1953 [2022-11-03 02:02:25,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:02:25,416 INFO L413 NwaCegarLoop]: 1016 mSDtfsCounter, 249 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 1941 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:02:25,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 1941 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:02:25,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1953 states. [2022-11-03 02:02:25,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 1532. [2022-11-03 02:02:25,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1061 states have (on average 1.3468426013195098) internal successors, (1429), 1091 states have internal predecessors, (1429), 369 states have call successors, (369), 102 states have call predecessors, (369), 101 states have return successors, (363), 363 states have call predecessors, (363), 363 states have call successors, (363) [2022-11-03 02:02:25,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 2161 transitions. [2022-11-03 02:02:25,568 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 2161 transitions. Word has length 35 [2022-11-03 02:02:25,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:02:25,569 INFO L495 AbstractCegarLoop]: Abstraction has 1532 states and 2161 transitions. [2022-11-03 02:02:25,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:02:25,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 2161 transitions. [2022-11-03 02:02:25,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-03 02:02:25,573 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:02:25,573 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] [2022-11-03 02:02:25,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2022-11-03 02:02:25,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-03 02:02:25,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:02:25,978 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:02:25,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:02:25,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1739683769, now seen corresponding path program 1 times [2022-11-03 02:02:25,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:02:25,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1052483761] [2022-11-03 02:02:25,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:25,980 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:02:25,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:02:25,981 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:02:25,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-03 02:02:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:26,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:02:26,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:26,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:02:26,955 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:02:27,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:02:27,283 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:02:27,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1052483761] [2022-11-03 02:02:27,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1052483761] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:02:27,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1828290396] [2022-11-03 02:02:27,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:27,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:02:27,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:02:27,289 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:02:27,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2022-11-03 02:02:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:27,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:02:27,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:28,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:02:28,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:02:28,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1828290396] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:02:28,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:02:28,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2022-11-03 02:02:28,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068656871] [2022-11-03 02:02:28,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:02:28,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:02:28,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:02:28,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:02:28,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:02:28,088 INFO L87 Difference]: Start difference. First operand 1532 states and 2161 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:02:28,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:02:28,340 INFO L93 Difference]: Finished difference Result 1554 states and 2187 transitions. [2022-11-03 02:02:28,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:02:28,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2022-11-03 02:02:28,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:02:28,352 INFO L225 Difference]: With dead ends: 1554 [2022-11-03 02:02:28,352 INFO L226 Difference]: Without dead ends: 1543 [2022-11-03 02:02:28,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:02:28,354 INFO L413 NwaCegarLoop]: 940 mSDtfsCounter, 923 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 923 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:02:28,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [923 Valid, 953 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:02:28,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2022-11-03 02:02:28,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1532. [2022-11-03 02:02:28,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1061 states have (on average 1.344957587181904) internal successors, (1427), 1091 states have internal predecessors, (1427), 369 states have call successors, (369), 102 states have call predecessors, (369), 101 states have return successors, (363), 363 states have call predecessors, (363), 363 states have call successors, (363) [2022-11-03 02:02:28,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 2159 transitions. [2022-11-03 02:02:28,493 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 2159 transitions. Word has length 35 [2022-11-03 02:02:28,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:02:28,493 INFO L495 AbstractCegarLoop]: Abstraction has 1532 states and 2159 transitions. [2022-11-03 02:02:28,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:02:28,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 2159 transitions. [2022-11-03 02:02:28,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-03 02:02:28,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:02:28,495 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] [2022-11-03 02:02:28,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2022-11-03 02:02:28,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-03 02:02:28,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:02:28,900 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:02:28,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:02:28,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1796942071, now seen corresponding path program 1 times [2022-11-03 02:02:28,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:02:28,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334926688] [2022-11-03 02:02:28,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:28,902 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:02:28,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:02:28,903 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:02:28,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-03 02:02:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:29,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:02:29,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:29,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:02:29,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:02:30,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:02:30,022 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:02:30,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334926688] [2022-11-03 02:02:30,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1334926688] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:02:30,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [201168088] [2022-11-03 02:02:30,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:30,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:02:30,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:02:30,024 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:02:30,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2022-11-03 02:02:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:30,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:02:30,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:31,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:02:31,438 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:02:31,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [201168088] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:02:31,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:02:31,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2022-11-03 02:02:31,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373085052] [2022-11-03 02:02:31,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:02:31,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:02:31,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:02:31,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:02:31,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:02:31,440 INFO L87 Difference]: Start difference. First operand 1532 states and 2159 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:02:31,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:02:31,644 INFO L93 Difference]: Finished difference Result 1534 states and 2160 transitions. [2022-11-03 02:02:31,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:02:31,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2022-11-03 02:02:31,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:02:31,652 INFO L225 Difference]: With dead ends: 1534 [2022-11-03 02:02:31,652 INFO L226 Difference]: Without dead ends: 1531 [2022-11-03 02:02:31,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:02:31,654 INFO L413 NwaCegarLoop]: 925 mSDtfsCounter, 894 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 894 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:02:31,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [894 Valid, 925 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:02:31,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2022-11-03 02:02:31,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1531. [2022-11-03 02:02:31,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1531 states, 1061 states have (on average 1.3440150801131008) internal successors, (1426), 1090 states have internal predecessors, (1426), 368 states have call successors, (368), 102 states have call predecessors, (368), 101 states have return successors, (363), 363 states have call predecessors, (363), 363 states have call successors, (363) [2022-11-03 02:02:31,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 2157 transitions. [2022-11-03 02:02:31,809 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 2157 transitions. Word has length 35 [2022-11-03 02:02:31,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:02:31,810 INFO L495 AbstractCegarLoop]: Abstraction has 1531 states and 2157 transitions. [2022-11-03 02:02:31,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:02:31,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 2157 transitions. [2022-11-03 02:02:31,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-03 02:02:31,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:02:31,812 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] [2022-11-03 02:02:31,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-03 02:02:32,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2022-11-03 02:02:32,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:02:32,228 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:02:32,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:02:32,228 INFO L85 PathProgramCache]: Analyzing trace with hash -129755051, now seen corresponding path program 1 times [2022-11-03 02:02:32,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:02:32,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1106963715] [2022-11-03 02:02:32,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:32,229 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:02:32,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:02:32,230 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:02:32,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-03 02:02:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:32,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:02:32,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:33,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:02:33,103 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:02:33,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:02:33,382 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:02:33,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1106963715] [2022-11-03 02:02:33,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1106963715] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:02:33,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [116165010] [2022-11-03 02:02:33,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:33,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:02:33,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:02:33,384 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:02:33,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2022-11-03 02:02:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:34,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:02:34,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:34,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:02:34,809 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:02:34,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [116165010] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:02:34,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:02:34,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2022-11-03 02:02:34,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308128961] [2022-11-03 02:02:34,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:02:34,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:02:34,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:02:34,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:02:34,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:02:34,811 INFO L87 Difference]: Start difference. First operand 1531 states and 2157 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:02:35,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:02:35,052 INFO L93 Difference]: Finished difference Result 1533 states and 2158 transitions. [2022-11-03 02:02:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:02:35,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2022-11-03 02:02:35,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:02:35,069 INFO L225 Difference]: With dead ends: 1533 [2022-11-03 02:02:35,069 INFO L226 Difference]: Without dead ends: 1530 [2022-11-03 02:02:35,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:02:35,072 INFO L413 NwaCegarLoop]: 923 mSDtfsCounter, 891 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 891 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:02:35,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [891 Valid, 923 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:02:35,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2022-11-03 02:02:35,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 1530. [2022-11-03 02:02:35,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1530 states, 1061 states have (on average 1.3430725730442978) internal successors, (1425), 1089 states have internal predecessors, (1425), 367 states have call successors, (367), 102 states have call predecessors, (367), 101 states have return successors, (363), 363 states have call predecessors, (363), 363 states have call successors, (363) [2022-11-03 02:02:35,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 1530 states and 2155 transitions. [2022-11-03 02:02:35,241 INFO L78 Accepts]: Start accepts. Automaton has 1530 states and 2155 transitions. Word has length 36 [2022-11-03 02:02:35,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:02:35,241 INFO L495 AbstractCegarLoop]: Abstraction has 1530 states and 2155 transitions. [2022-11-03 02:02:35,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:02:35,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 2155 transitions. [2022-11-03 02:02:35,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-03 02:02:35,243 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:02:35,243 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] [2022-11-03 02:02:35,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2022-11-03 02:02:35,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-03 02:02:35,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:02:35,648 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:02:35,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:02:35,649 INFO L85 PathProgramCache]: Analyzing trace with hash 272181178, now seen corresponding path program 1 times [2022-11-03 02:02:35,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:02:35,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [77983642] [2022-11-03 02:02:35,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:35,650 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:02:35,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:02:35,650 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:02:35,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-03 02:02:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:36,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:02:36,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:36,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:02:36,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:02:36,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:02:36,805 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:02:36,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [77983642] [2022-11-03 02:02:36,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [77983642] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:02:36,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1892557935] [2022-11-03 02:02:36,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:36,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:02:36,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:02:36,807 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:02:36,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2022-11-03 02:02:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:37,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:02:37,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:38,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:02:38,315 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:02:38,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1892557935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:02:38,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:02:38,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2022-11-03 02:02:38,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989221654] [2022-11-03 02:02:38,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:02:38,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:02:38,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:02:38,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:02:38,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:02:38,317 INFO L87 Difference]: Start difference. First operand 1530 states and 2155 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:02:38,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:02:38,570 INFO L93 Difference]: Finished difference Result 1532 states and 2156 transitions. [2022-11-03 02:02:38,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:02:38,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2022-11-03 02:02:38,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:02:38,583 INFO L225 Difference]: With dead ends: 1532 [2022-11-03 02:02:38,583 INFO L226 Difference]: Without dead ends: 1529 [2022-11-03 02:02:38,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:02:38,584 INFO L413 NwaCegarLoop]: 921 mSDtfsCounter, 888 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 888 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:02:38,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [888 Valid, 921 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:02:38,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2022-11-03 02:02:38,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 1529. [2022-11-03 02:02:38,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1529 states, 1061 states have (on average 1.342130065975495) internal successors, (1424), 1088 states have internal predecessors, (1424), 366 states have call successors, (366), 102 states have call predecessors, (366), 101 states have return successors, (363), 363 states have call predecessors, (363), 363 states have call successors, (363) [2022-11-03 02:02:38,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1529 states and 2153 transitions. [2022-11-03 02:02:38,779 INFO L78 Accepts]: Start accepts. Automaton has 1529 states and 2153 transitions. Word has length 37 [2022-11-03 02:02:38,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:02:38,780 INFO L495 AbstractCegarLoop]: Abstraction has 1529 states and 2153 transitions. [2022-11-03 02:02:38,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:02:38,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 2153 transitions. [2022-11-03 02:02:38,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-03 02:02:38,782 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:02:38,782 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] [2022-11-03 02:02:38,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2022-11-03 02:02:39,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-03 02:02:39,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:02:39,187 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:02:39,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:02:39,188 INFO L85 PathProgramCache]: Analyzing trace with hash -152692744, now seen corresponding path program 1 times [2022-11-03 02:02:39,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:02:39,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [187363046] [2022-11-03 02:02:39,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:39,189 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:02:39,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:02:39,190 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:02:39,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-11-03 02:02:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:39,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:02:39,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:40,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:02:40,032 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:02:40,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:02:40,312 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:02:40,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [187363046] [2022-11-03 02:02:40,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [187363046] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:02:40,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [509185037] [2022-11-03 02:02:40,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:40,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:02:40,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:02:40,313 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:02:40,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2022-11-03 02:02:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:41,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:02:41,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:41,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:02:41,835 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:02:41,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [509185037] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:02:41,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:02:41,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2022-11-03 02:02:41,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742392849] [2022-11-03 02:02:41,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:02:41,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:02:41,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:02:41,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:02:41,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:02:41,837 INFO L87 Difference]: Start difference. First operand 1529 states and 2153 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:02:42,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:02:42,219 INFO L93 Difference]: Finished difference Result 1953 states and 2700 transitions. [2022-11-03 02:02:42,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:02:42,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2022-11-03 02:02:42,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:02:42,233 INFO L225 Difference]: With dead ends: 1953 [2022-11-03 02:02:42,233 INFO L226 Difference]: Without dead ends: 1916 [2022-11-03 02:02:42,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:02:42,235 INFO L413 NwaCegarLoop]: 1046 mSDtfsCounter, 818 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 818 SdHoareTripleChecker+Valid, 1423 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:02:42,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [818 Valid, 1423 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:02:42,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2022-11-03 02:02:42,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1916. [2022-11-03 02:02:42,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1916 states, 1300 states have (on average 1.32) internal successors, (1716), 1335 states have internal predecessors, (1716), 469 states have call successors, (469), 147 states have call predecessors, (469), 146 states have return successors, (468), 468 states have call predecessors, (468), 468 states have call successors, (468) [2022-11-03 02:02:42,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1916 states to 1916 states and 2653 transitions. [2022-11-03 02:02:42,491 INFO L78 Accepts]: Start accepts. Automaton has 1916 states and 2653 transitions. Word has length 38 [2022-11-03 02:02:42,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:02:42,491 INFO L495 AbstractCegarLoop]: Abstraction has 1916 states and 2653 transitions. [2022-11-03 02:02:42,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:02:42,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1916 states and 2653 transitions. [2022-11-03 02:02:42,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-03 02:02:42,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:02:42,495 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:02:42,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2022-11-03 02:02:42,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-11-03 02:02:42,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:02:42,901 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:02:42,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:02:42,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1937560449, now seen corresponding path program 1 times [2022-11-03 02:02:42,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:02:42,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1505272100] [2022-11-03 02:02:42,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:42,903 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:02:42,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:02:42,904 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:02:42,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-11-03 02:02:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:43,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:02:43,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:43,925 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:02:43,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:02:44,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:02:44,242 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:02:44,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1505272100] [2022-11-03 02:02:44,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1505272100] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:02:44,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [623398801] [2022-11-03 02:02:44,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:44,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:02:44,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:02:44,244 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:02:44,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2022-11-03 02:02:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:45,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:02:45,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:45,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:02:45,311 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:02:45,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [623398801] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:02:45,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:02:45,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2022-11-03 02:02:45,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626953184] [2022-11-03 02:02:45,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:02:45,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:02:45,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:02:45,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:02:45,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:02:45,313 INFO L87 Difference]: Start difference. First operand 1916 states and 2653 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-03 02:02:46,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:02:46,009 INFO L93 Difference]: Finished difference Result 4201 states and 5897 transitions. [2022-11-03 02:02:46,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:02:46,010 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 65 [2022-11-03 02:02:46,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:02:46,022 INFO L225 Difference]: With dead ends: 4201 [2022-11-03 02:02:46,022 INFO L226 Difference]: Without dead ends: 2288 [2022-11-03 02:02:46,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:02:46,030 INFO L413 NwaCegarLoop]: 1146 mSDtfsCounter, 364 mSDsluCounter, 1851 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 2997 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:02:46,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 2997 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:02:46,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2288 states. [2022-11-03 02:02:46,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2288 to 1920. [2022-11-03 02:02:46,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1920 states, 1304 states have (on average 1.3190184049079754) internal successors, (1720), 1339 states have internal predecessors, (1720), 469 states have call successors, (469), 147 states have call predecessors, (469), 146 states have return successors, (468), 468 states have call predecessors, (468), 468 states have call successors, (468) [2022-11-03 02:02:46,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1920 states and 2657 transitions. [2022-11-03 02:02:46,290 INFO L78 Accepts]: Start accepts. Automaton has 1920 states and 2657 transitions. Word has length 65 [2022-11-03 02:02:46,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:02:46,290 INFO L495 AbstractCegarLoop]: Abstraction has 1920 states and 2657 transitions. [2022-11-03 02:02:46,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-03 02:02:46,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2657 transitions. [2022-11-03 02:02:46,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-03 02:02:46,295 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:02:46,295 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:02:46,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2022-11-03 02:02:46,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2022-11-03 02:02:46,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:02:46,702 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:02:46,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:02:46,702 INFO L85 PathProgramCache]: Analyzing trace with hash 2097740462, now seen corresponding path program 1 times [2022-11-03 02:02:46,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:02:46,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1922215479] [2022-11-03 02:02:46,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:46,704 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:02:46,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:02:46,705 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:02:46,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-11-03 02:02:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:47,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:02:47,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:47,715 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:02:47,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:02:48,002 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:02:48,002 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:02:48,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1922215479] [2022-11-03 02:02:48,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1922215479] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:02:48,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1666686442] [2022-11-03 02:02:48,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:48,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:02:48,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:02:48,004 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:02:48,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2022-11-03 02:02:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:48,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:02:48,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:49,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:02:49,297 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:02:49,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1666686442] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:02:49,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:02:49,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4, 4] total 9 [2022-11-03 02:02:49,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630440140] [2022-11-03 02:02:49,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:02:49,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:02:49,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:02:49,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:02:49,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:02:49,299 INFO L87 Difference]: Start difference. First operand 1920 states and 2657 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-03 02:02:49,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:02:49,914 INFO L93 Difference]: Finished difference Result 4260 states and 5982 transitions. [2022-11-03 02:02:49,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:02:49,915 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 75 [2022-11-03 02:02:49,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:02:49,927 INFO L225 Difference]: With dead ends: 4260 [2022-11-03 02:02:49,928 INFO L226 Difference]: Without dead ends: 2343 [2022-11-03 02:02:49,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:02:49,936 INFO L413 NwaCegarLoop]: 1196 mSDtfsCounter, 213 mSDsluCounter, 3316 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 4512 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:02:49,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 4512 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:02:49,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2343 states. [2022-11-03 02:02:50,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2343 to 1932. [2022-11-03 02:02:50,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1932 states, 1314 states have (on average 1.3165905631659056) internal successors, (1730), 1347 states have internal predecessors, (1730), 469 states have call successors, (469), 147 states have call predecessors, (469), 148 states have return successors, (476), 472 states have call predecessors, (476), 468 states have call successors, (476) [2022-11-03 02:02:50,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1932 states and 2675 transitions. [2022-11-03 02:02:50,240 INFO L78 Accepts]: Start accepts. Automaton has 1932 states and 2675 transitions. Word has length 75 [2022-11-03 02:02:50,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:02:50,240 INFO L495 AbstractCegarLoop]: Abstraction has 1932 states and 2675 transitions. [2022-11-03 02:02:50,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-03 02:02:50,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 2675 transitions. [2022-11-03 02:02:50,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-03 02:02:50,244 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:02:50,244 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:02:50,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-11-03 02:02:50,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2022-11-03 02:02:50,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:02:50,660 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:02:50,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:02:50,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1047147176, now seen corresponding path program 1 times [2022-11-03 02:02:50,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:02:50,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1396692747] [2022-11-03 02:02:50,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:50,662 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:02:50,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:02:50,665 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:02:50,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-11-03 02:02:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:51,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:02:51,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:51,978 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:02:51,978 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:02:51,978 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:02:51,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1396692747] [2022-11-03 02:02:51,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1396692747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:02:51,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:02:51,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:02:51,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884376042] [2022-11-03 02:02:51,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:02:51,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:02:51,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:02:51,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:02:51,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:02:51,981 INFO L87 Difference]: Start difference. First operand 1932 states and 2675 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-03 02:02:52,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:02:52,707 INFO L93 Difference]: Finished difference Result 4368 states and 6148 transitions. [2022-11-03 02:02:52,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:02:52,708 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 75 [2022-11-03 02:02:52,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:02:52,719 INFO L225 Difference]: With dead ends: 4368 [2022-11-03 02:02:52,719 INFO L226 Difference]: Without dead ends: 2439 [2022-11-03 02:02:52,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:02:52,726 INFO L413 NwaCegarLoop]: 1066 mSDtfsCounter, 232 mSDsluCounter, 3028 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 4094 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:02:52,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 4094 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:02:52,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2439 states. [2022-11-03 02:02:53,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2439 to 1940. [2022-11-03 02:02:53,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1940 states, 1322 states have (on average 1.3146747352496218) internal successors, (1738), 1351 states have internal predecessors, (1738), 469 states have call successors, (469), 147 states have call predecessors, (469), 148 states have return successors, (476), 476 states have call predecessors, (476), 468 states have call successors, (476) [2022-11-03 02:02:53,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1940 states to 1940 states and 2683 transitions. [2022-11-03 02:02:53,031 INFO L78 Accepts]: Start accepts. Automaton has 1940 states and 2683 transitions. Word has length 75 [2022-11-03 02:02:53,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:02:53,031 INFO L495 AbstractCegarLoop]: Abstraction has 1940 states and 2683 transitions. [2022-11-03 02:02:53,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-03 02:02:53,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1940 states and 2683 transitions. [2022-11-03 02:02:53,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-03 02:02:53,036 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:02:53,036 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:02:53,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2022-11-03 02:02:53,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:02:53,252 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:02:53,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:02:53,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1518345578, now seen corresponding path program 1 times [2022-11-03 02:02:53,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:02:53,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1578216837] [2022-11-03 02:02:53,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:53,254 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:02:53,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:02:53,255 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:02:53,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2022-11-03 02:02:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:54,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 1642 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:02:54,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:54,807 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-03 02:02:54,807 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:02:55,328 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-03 02:02:55,329 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:02:55,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1578216837] [2022-11-03 02:02:55,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1578216837] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:02:55,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [131560813] [2022-11-03 02:02:55,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:55,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:02:55,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:02:55,331 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:02:55,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2022-11-03 02:02:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:56,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 1642 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:02:56,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:56,701 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-03 02:02:56,701 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:02:56,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [131560813] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:02:56,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:02:56,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2022-11-03 02:02:56,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207288226] [2022-11-03 02:02:56,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:02:56,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:02:56,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:02:56,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:02:56,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:02:56,703 INFO L87 Difference]: Start difference. First operand 1940 states and 2683 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 02:02:57,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:02:57,031 INFO L93 Difference]: Finished difference Result 3897 states and 5441 transitions. [2022-11-03 02:02:57,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:02:57,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 173 [2022-11-03 02:02:57,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:02:57,045 INFO L225 Difference]: With dead ends: 3897 [2022-11-03 02:02:57,045 INFO L226 Difference]: Without dead ends: 1960 [2022-11-03 02:02:57,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 511 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:02:57,054 INFO L413 NwaCegarLoop]: 883 mSDtfsCounter, 3 mSDsluCounter, 876 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1759 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:02:57,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1759 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:02:57,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1960 states. [2022-11-03 02:02:57,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1960 to 1945. [2022-11-03 02:02:57,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1945 states, 1327 states have (on average 1.3134890730972117) internal successors, (1743), 1356 states have internal predecessors, (1743), 469 states have call successors, (469), 147 states have call predecessors, (469), 148 states have return successors, (476), 476 states have call predecessors, (476), 468 states have call successors, (476) [2022-11-03 02:02:57,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 2688 transitions. [2022-11-03 02:02:57,374 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 2688 transitions. Word has length 173 [2022-11-03 02:02:57,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:02:57,374 INFO L495 AbstractCegarLoop]: Abstraction has 1945 states and 2688 transitions. [2022-11-03 02:02:57,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 02:02:57,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2688 transitions. [2022-11-03 02:02:57,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-11-03 02:02:57,382 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:02:57,384 INFO L195 NwaCegarLoop]: trace histogram [4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:02:57,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (25)] Ended with exit code 0 [2022-11-03 02:02:57,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2022-11-03 02:02:57,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:02:57,808 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:02:57,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:02:57,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1155211068, now seen corresponding path program 1 times [2022-11-03 02:02:57,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:02:57,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [416736473] [2022-11-03 02:02:57,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:57,810 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:02:57,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:02:57,811 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:02:57,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2022-11-03 02:02:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:59,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 1935 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:02:59,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:02:59,810 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-11-03 02:02:59,811 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:03:00,534 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-11-03 02:03:00,535 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:03:00,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [416736473] [2022-11-03 02:03:00,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [416736473] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:03:00,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1676259141] [2022-11-03 02:03:00,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:03:00,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:03:00,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:03:00,536 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:03:00,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2022-11-03 02:03:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:03:02,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 1935 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:03:02,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:03:02,516 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-03 02:03:02,516 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:03:02,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1676259141] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:03:02,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:03:02,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4, 4] total 9 [2022-11-03 02:03:02,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452095400] [2022-11-03 02:03:02,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:03:02,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:03:02,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:03:02,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:03:02,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:03:02,519 INFO L87 Difference]: Start difference. First operand 1945 states and 2688 transitions. Second operand has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-03 02:03:02,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:03:02,934 INFO L93 Difference]: Finished difference Result 3917 states and 5541 transitions. [2022-11-03 02:03:02,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:03:02,935 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 229 [2022-11-03 02:03:02,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:03:02,945 INFO L225 Difference]: With dead ends: 3917 [2022-11-03 02:03:02,945 INFO L226 Difference]: Without dead ends: 1975 [2022-11-03 02:03:02,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 684 GetRequests, 677 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:03:02,954 INFO L413 NwaCegarLoop]: 889 mSDtfsCounter, 11 mSDsluCounter, 2639 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 3528 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:03:02,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 3528 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:03:02,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2022-11-03 02:03:03,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1965. [2022-11-03 02:03:03,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1965 states, 1342 states have (on average 1.3099850968703428) internal successors, (1758), 1371 states have internal predecessors, (1758), 469 states have call successors, (469), 147 states have call predecessors, (469), 153 states have return successors, (500), 481 states have call predecessors, (500), 468 states have call successors, (500) [2022-11-03 02:03:03,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 2727 transitions. [2022-11-03 02:03:03,218 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 2727 transitions. Word has length 229 [2022-11-03 02:03:03,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:03:03,218 INFO L495 AbstractCegarLoop]: Abstraction has 1965 states and 2727 transitions. [2022-11-03 02:03:03,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-03 02:03:03,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 2727 transitions. [2022-11-03 02:03:03,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-11-03 02:03:03,225 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:03:03,226 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:03:03,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2022-11-03 02:03:03,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2022-11-03 02:03:03,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:03:03,640 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:03:03,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:03:03,641 INFO L85 PathProgramCache]: Analyzing trace with hash -39011716, now seen corresponding path program 1 times [2022-11-03 02:03:03,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:03:03,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1391975744] [2022-11-03 02:03:03,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:03:03,642 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:03:03,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:03:03,643 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:03:03,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2022-11-03 02:03:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:03:05,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 2075 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:03:05,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:03:05,673 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2022-11-03 02:03:05,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:03:06,600 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2022-11-03 02:03:06,600 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:03:06,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1391975744] [2022-11-03 02:03:06,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1391975744] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:03:06,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1458766390] [2022-11-03 02:03:06,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:03:06,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:03:06,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:03:06,602 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:03:06,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2022-11-03 02:03:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:03:08,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 2075 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 02:03:08,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:03:09,728 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-03 02:03:09,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:03:13,126 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2022-11-03 02:03:13,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1458766390] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-03 02:03:13,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:03:13,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 4, 9] total 18 [2022-11-03 02:03:13,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883097043] [2022-11-03 02:03:13,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:03:13,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:03:13,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:03:13,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:03:13,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2022-11-03 02:03:13,129 INFO L87 Difference]: Start difference. First operand 1965 states and 2727 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 4 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 02:03:14,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:03:14,039 INFO L93 Difference]: Finished difference Result 4352 states and 6126 transitions. [2022-11-03 02:03:14,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:03:14,040 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 4 states have call predecessors, (30), 2 states have call successors, (30) Word has length 293 [2022-11-03 02:03:14,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:03:14,049 INFO L225 Difference]: With dead ends: 4352 [2022-11-03 02:03:14,049 INFO L226 Difference]: Without dead ends: 2390 [2022-11-03 02:03:14,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1168 GetRequests, 1152 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2022-11-03 02:03:14,058 INFO L413 NwaCegarLoop]: 1178 mSDtfsCounter, 213 mSDsluCounter, 5624 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 6802 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:03:14,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 6802 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:03:14,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2390 states. [2022-11-03 02:03:14,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2390 to 1975. [2022-11-03 02:03:14,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1975 states, 1348 states have (on average 1.3086053412462908) internal successors, (1764), 1379 states have internal predecessors, (1764), 469 states have call successors, (469), 147 states have call predecessors, (469), 157 states have return successors, (512), 483 states have call predecessors, (512), 468 states have call successors, (512) [2022-11-03 02:03:14,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 2745 transitions. [2022-11-03 02:03:14,369 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 2745 transitions. Word has length 293 [2022-11-03 02:03:14,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:03:14,370 INFO L495 AbstractCegarLoop]: Abstraction has 1975 states and 2745 transitions. [2022-11-03 02:03:14,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 4 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 02:03:14,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2745 transitions. [2022-11-03 02:03:14,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-11-03 02:03:14,377 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:03:14,377 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:03:14,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2022-11-03 02:03:14,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2022-11-03 02:03:14,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:03:14,792 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:03:14,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:03:14,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1899924706, now seen corresponding path program 1 times [2022-11-03 02:03:14,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:03:14,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2072987288] [2022-11-03 02:03:14,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:03:14,794 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:03:14,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:03:14,795 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:03:14,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2022-11-03 02:03:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:03:16,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 2095 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:03:16,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:03:16,820 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2022-11-03 02:03:16,821 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:03:17,639 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2022-11-03 02:03:17,640 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:03:17,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2072987288] [2022-11-03 02:03:17,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2072987288] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:03:17,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1858753090] [2022-11-03 02:03:17,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:03:17,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:03:17,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:03:17,642 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:03:17,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2022-11-03 02:03:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:03:19,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 2095 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 02:03:19,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:03:20,851 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-03 02:03:20,851 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:03:24,174 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2022-11-03 02:03:24,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1858753090] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-03 02:03:24,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:03:24,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 4, 9] total 18 [2022-11-03 02:03:24,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015745186] [2022-11-03 02:03:24,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:03:24,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:03:24,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:03:24,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:03:24,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2022-11-03 02:03:24,176 INFO L87 Difference]: Start difference. First operand 1975 states and 2745 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 4 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 02:03:24,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:03:24,968 INFO L93 Difference]: Finished difference Result 4376 states and 6164 transitions. [2022-11-03 02:03:24,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:03:24,969 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 4 states have call predecessors, (30), 2 states have call successors, (30) Word has length 295 [2022-11-03 02:03:24,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:03:24,981 INFO L225 Difference]: With dead ends: 4376 [2022-11-03 02:03:24,982 INFO L226 Difference]: Without dead ends: 2404 [2022-11-03 02:03:24,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1176 GetRequests, 1160 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2022-11-03 02:03:24,990 INFO L413 NwaCegarLoop]: 1193 mSDtfsCounter, 213 mSDsluCounter, 5686 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 6879 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:03:24,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 6879 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:03:24,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2404 states. [2022-11-03 02:03:25,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2404 to 1977. [2022-11-03 02:03:25,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1977 states, 1350 states have (on average 1.308148148148148) internal successors, (1766), 1379 states have internal predecessors, (1766), 469 states have call successors, (469), 147 states have call predecessors, (469), 157 states have return successors, (512), 485 states have call predecessors, (512), 468 states have call successors, (512) [2022-11-03 02:03:25,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1977 states and 2747 transitions. [2022-11-03 02:03:25,258 INFO L78 Accepts]: Start accepts. Automaton has 1977 states and 2747 transitions. Word has length 295 [2022-11-03 02:03:25,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:03:25,261 INFO L495 AbstractCegarLoop]: Abstraction has 1977 states and 2747 transitions. [2022-11-03 02:03:25,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 4 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 02:03:25,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2747 transitions. [2022-11-03 02:03:25,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-11-03 02:03:25,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:03:25,270 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:03:25,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2022-11-03 02:03:25,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2022-11-03 02:03:25,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:03:25,686 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:03:25,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:03:25,686 INFO L85 PathProgramCache]: Analyzing trace with hash 241664744, now seen corresponding path program 1 times [2022-11-03 02:03:25,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:03:25,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1214749041] [2022-11-03 02:03:25,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:03:25,688 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:03:25,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:03:25,689 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:03:25,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2022-11-03 02:03:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:03:27,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 2099 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:03:27,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:03:27,842 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-11-03 02:03:27,843 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:03:27,843 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:03:27,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1214749041] [2022-11-03 02:03:27,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1214749041] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:03:27,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:03:27,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:03:27,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203571656] [2022-11-03 02:03:27,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:03:27,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:03:27,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:03:27,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:03:27,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:03:27,847 INFO L87 Difference]: Start difference. First operand 1977 states and 2747 transitions. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 02:03:29,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:31,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:32,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:03:32,199 INFO L93 Difference]: Finished difference Result 3993 states and 5585 transitions. [2022-11-03 02:03:32,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:03:32,200 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 295 [2022-11-03 02:03:32,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:03:32,210 INFO L225 Difference]: With dead ends: 3993 [2022-11-03 02:03:32,210 INFO L226 Difference]: Without dead ends: 2019 [2022-11-03 02:03:32,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:03:32,218 INFO L413 NwaCegarLoop]: 889 mSDtfsCounter, 18 mSDsluCounter, 1767 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 2656 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:03:32,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 2656 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 2 Unknown, 0 Unchecked, 4.1s Time] [2022-11-03 02:03:32,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2019 states. [2022-11-03 02:03:32,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2019 to 1981. [2022-11-03 02:03:32,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1981 states, 1354 states have (on average 1.3072378138847858) internal successors, (1770), 1381 states have internal predecessors, (1770), 469 states have call successors, (469), 147 states have call predecessors, (469), 157 states have return successors, (512), 485 states have call predecessors, (512), 468 states have call successors, (512) [2022-11-03 02:03:32,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1981 states to 1981 states and 2751 transitions. [2022-11-03 02:03:32,496 INFO L78 Accepts]: Start accepts. Automaton has 1981 states and 2751 transitions. Word has length 295 [2022-11-03 02:03:32,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:03:32,496 INFO L495 AbstractCegarLoop]: Abstraction has 1981 states and 2751 transitions. [2022-11-03 02:03:32,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 02:03:32,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1981 states and 2751 transitions. [2022-11-03 02:03:32,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-11-03 02:03:32,504 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:03:32,505 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:03:32,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2022-11-03 02:03:32,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:03:32,720 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:03:32,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:03:32,720 INFO L85 PathProgramCache]: Analyzing trace with hash 537005923, now seen corresponding path program 1 times [2022-11-03 02:03:32,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:03:32,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1593273130] [2022-11-03 02:03:32,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:03:32,722 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:03:32,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:03:32,724 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:03:32,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2022-11-03 02:03:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:03:35,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 2104 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:03:35,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:03:35,112 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-11-03 02:03:35,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:03:35,112 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:03:35,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1593273130] [2022-11-03 02:03:35,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1593273130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:03:35,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:03:35,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:03:35,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434871985] [2022-11-03 02:03:35,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:03:35,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:03:35,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:03:35,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:03:35,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:03:35,115 INFO L87 Difference]: Start difference. First operand 1981 states and 2751 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-03 02:03:37,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:37,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:03:37,496 INFO L93 Difference]: Finished difference Result 3971 states and 5547 transitions. [2022-11-03 02:03:37,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:03:37,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 304 [2022-11-03 02:03:37,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:03:37,505 INFO L225 Difference]: With dead ends: 3971 [2022-11-03 02:03:37,505 INFO L226 Difference]: Without dead ends: 1993 [2022-11-03 02:03:37,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:03:37,512 INFO L413 NwaCegarLoop]: 883 mSDtfsCounter, 2 mSDsluCounter, 874 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1757 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:03:37,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1757 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:03:37,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1993 states. [2022-11-03 02:03:37,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1993 to 1985. [2022-11-03 02:03:37,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1985 states, 1358 states have (on average 1.3063328424153167) internal successors, (1774), 1385 states have internal predecessors, (1774), 469 states have call successors, (469), 147 states have call predecessors, (469), 157 states have return successors, (512), 485 states have call predecessors, (512), 468 states have call successors, (512) [2022-11-03 02:03:37,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2755 transitions. [2022-11-03 02:03:37,696 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2755 transitions. Word has length 304 [2022-11-03 02:03:37,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:03:37,697 INFO L495 AbstractCegarLoop]: Abstraction has 1985 states and 2755 transitions. [2022-11-03 02:03:37,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-03 02:03:37,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2755 transitions. [2022-11-03 02:03:37,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-11-03 02:03:37,702 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:03:37,703 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 7, 7, 7, 7, 7, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:03:37,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2022-11-03 02:03:37,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:03:37,916 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:03:37,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:03:37,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1700199330, now seen corresponding path program 1 times [2022-11-03 02:03:37,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:03:37,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1330085002] [2022-11-03 02:03:37,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:03:37,918 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:03:37,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:03:37,920 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:03:37,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2022-11-03 02:03:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:03:40,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 2133 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:03:40,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:03:40,592 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 119 proven. 1 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-11-03 02:03:40,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:03:41,712 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2022-11-03 02:03:41,712 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:03:41,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1330085002] [2022-11-03 02:03:41,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1330085002] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:03:41,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [680226344] [2022-11-03 02:03:41,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:03:41,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:03:41,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:03:41,717 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:03:41,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2022-11-03 02:03:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:03:43,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 2133 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 02:03:43,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:03:45,294 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-11-03 02:03:45,294 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:03:48,734 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2022-11-03 02:03:48,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [680226344] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-03 02:03:48,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:03:48,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 4, 9] total 18 [2022-11-03 02:03:48,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8095945] [2022-11-03 02:03:48,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:03:48,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:03:48,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:03:48,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:03:48,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2022-11-03 02:03:48,737 INFO L87 Difference]: Start difference. First operand 1985 states and 2755 transitions. Second operand has 7 states, 7 states have (on average 19.0) internal successors, (133), 5 states have internal predecessors, (133), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-03 02:03:49,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:03:49,708 INFO L93 Difference]: Finished difference Result 4478 states and 6334 transitions. [2022-11-03 02:03:49,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:03:49,709 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.0) internal successors, (133), 5 states have internal predecessors, (133), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) Word has length 315 [2022-11-03 02:03:49,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:03:49,718 INFO L225 Difference]: With dead ends: 4478 [2022-11-03 02:03:49,719 INFO L226 Difference]: Without dead ends: 2496 [2022-11-03 02:03:49,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1257 GetRequests, 1240 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:03:49,726 INFO L413 NwaCegarLoop]: 1174 mSDtfsCounter, 232 mSDsluCounter, 5603 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 6777 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:03:49,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 6777 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:03:49,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2022-11-03 02:03:49,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 1985. [2022-11-03 02:03:49,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1985 states, 1358 states have (on average 1.3063328424153167) internal successors, (1774), 1385 states have internal predecessors, (1774), 469 states have call successors, (469), 147 states have call predecessors, (469), 157 states have return successors, (512), 485 states have call predecessors, (512), 468 states have call successors, (512) [2022-11-03 02:03:49,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2755 transitions. [2022-11-03 02:03:49,985 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2755 transitions. Word has length 315 [2022-11-03 02:03:49,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:03:49,986 INFO L495 AbstractCegarLoop]: Abstraction has 1985 states and 2755 transitions. [2022-11-03 02:03:49,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.0) internal successors, (133), 5 states have internal predecessors, (133), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-03 02:03:49,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2755 transitions. [2022-11-03 02:03:49,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-11-03 02:03:49,990 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:03:49,991 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 7, 7, 7, 7, 7, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:03:50,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2022-11-03 02:03:50,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2022-11-03 02:03:50,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:03:50,404 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:03:50,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:03:50,405 INFO L85 PathProgramCache]: Analyzing trace with hash -2103542592, now seen corresponding path program 1 times [2022-11-03 02:03:50,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:03:50,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [824046474] [2022-11-03 02:03:50,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:03:50,407 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:03:50,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:03:50,408 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:03:50,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2022-11-03 02:03:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:03:52,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 2153 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:03:52,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:03:52,860 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 119 proven. 1 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-11-03 02:03:52,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:03:53,986 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2022-11-03 02:03:53,987 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:03:53,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [824046474] [2022-11-03 02:03:53,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [824046474] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:03:53,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [922975864] [2022-11-03 02:03:53,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:03:53,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:03:53,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:03:53,989 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:03:54,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2022-11-03 02:03:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:03:56,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 2153 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 02:03:56,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:03:57,806 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-11-03 02:03:57,806 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:04:01,242 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2022-11-03 02:04:01,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [922975864] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-03 02:04:01,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:04:01,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 4, 9] total 18 [2022-11-03 02:04:01,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115120052] [2022-11-03 02:04:01,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:04:01,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:04:01,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:04:01,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:04:01,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2022-11-03 02:04:01,245 INFO L87 Difference]: Start difference. First operand 1985 states and 2755 transitions. Second operand has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 5 states have internal predecessors, (135), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-03 02:04:02,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:04:02,439 INFO L93 Difference]: Finished difference Result 4490 states and 6346 transitions. [2022-11-03 02:04:02,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:04:02,440 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 5 states have internal predecessors, (135), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) Word has length 317 [2022-11-03 02:04:02,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:04:02,454 INFO L225 Difference]: With dead ends: 4490 [2022-11-03 02:04:02,454 INFO L226 Difference]: Without dead ends: 2508 [2022-11-03 02:04:02,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1265 GetRequests, 1248 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:04:02,462 INFO L413 NwaCegarLoop]: 1074 mSDtfsCounter, 232 mSDsluCounter, 5184 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 6258 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:04:02,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 6258 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:04:02,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2508 states. [2022-11-03 02:04:02,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2508 to 1981. [2022-11-03 02:04:02,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1981 states, 1356 states have (on average 1.3067846607669618) internal successors, (1772), 1381 states have internal predecessors, (1772), 469 states have call successors, (469), 147 states have call predecessors, (469), 155 states have return successors, (504), 485 states have call predecessors, (504), 468 states have call successors, (504) [2022-11-03 02:04:02,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1981 states to 1981 states and 2745 transitions. [2022-11-03 02:04:02,796 INFO L78 Accepts]: Start accepts. Automaton has 1981 states and 2745 transitions. Word has length 317 [2022-11-03 02:04:02,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:04:02,797 INFO L495 AbstractCegarLoop]: Abstraction has 1981 states and 2745 transitions. [2022-11-03 02:04:02,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 5 states have internal predecessors, (135), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-03 02:04:02,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1981 states and 2745 transitions. [2022-11-03 02:04:02,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 689 [2022-11-03 02:04:02,805 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:04:02,805 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 19, 19, 19, 19, 19, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:04:02,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2022-11-03 02:04:03,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (37)] Ended with exit code 0 [2022-11-03 02:04:03,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:04:03,220 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:04:03,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:04:03,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1667011401, now seen corresponding path program 1 times [2022-11-03 02:04:03,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:04:03,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1066289538] [2022-11-03 02:04:03,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:04:03,223 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:04:03,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:04:03,225 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:04:03,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2022-11-03 02:04:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:04:06,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 3570 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:04:06,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:04:06,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2768 trivial. 0 not checked. [2022-11-03 02:04:06,468 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:04:08,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2768 trivial. 0 not checked. [2022-11-03 02:04:08,429 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:04:08,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1066289538] [2022-11-03 02:04:08,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1066289538] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:04:08,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1245017202] [2022-11-03 02:04:08,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:04:08,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:04:08,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:04:08,431 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:04:08,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2022-11-03 02:04:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:04:11,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 3570 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:04:11,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:04:12,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 1422 proven. 2 refuted. 0 times theorem prover too weak. 1347 trivial. 0 not checked. [2022-11-03 02:04:12,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:04:17,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 2743 trivial. 0 not checked. [2022-11-03 02:04:17,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1245017202] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:04:17,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338421848] [2022-11-03 02:04:17,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:04:17,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:04:17,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:04:17,276 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:04:17,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-11-03 02:04:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:04:19,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 3570 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:04:19,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:04:19,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 1422 proven. 2 refuted. 0 times theorem prover too weak. 1347 trivial. 0 not checked. [2022-11-03 02:04:19,607 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:04:22,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 2743 trivial. 0 not checked. [2022-11-03 02:04:22,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338421848] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:04:22,564 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-03 02:04:22,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 8, 8, 8, 8] total 18 [2022-11-03 02:04:22,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227634874] [2022-11-03 02:04:22,564 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-03 02:04:22,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-03 02:04:22,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:04:22,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-03 02:04:22,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2022-11-03 02:04:22,567 INFO L87 Difference]: Start difference. First operand 1981 states and 2745 transitions. Second operand has 18 states, 18 states have (on average 16.11111111111111) internal successors, (290), 14 states have internal predecessors, (290), 4 states have call successors, (84), 2 states have call predecessors, (84), 6 states have return successors, (87), 8 states have call predecessors, (87), 4 states have call successors, (87) [2022-11-03 02:04:25,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:28,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:30,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:32,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:35,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:04:35,603 INFO L93 Difference]: Finished difference Result 4164 states and 5880 transitions. [2022-11-03 02:04:35,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 02:04:35,604 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 16.11111111111111) internal successors, (290), 14 states have internal predecessors, (290), 4 states have call successors, (84), 2 states have call predecessors, (84), 6 states have return successors, (87), 8 states have call predecessors, (87), 4 states have call successors, (87) Word has length 688 [2022-11-03 02:04:35,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:04:35,613 INFO L225 Difference]: With dead ends: 4164 [2022-11-03 02:04:35,613 INFO L226 Difference]: Without dead ends: 2186 [2022-11-03 02:04:35,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4124 GetRequests, 4106 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2022-11-03 02:04:35,620 INFO L413 NwaCegarLoop]: 882 mSDtfsCounter, 51 mSDsluCounter, 9663 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 15 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 10545 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:04:35,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 10545 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 180 Invalid, 4 Unknown, 0 Unchecked, 12.1s Time] [2022-11-03 02:04:35,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2186 states. [2022-11-03 02:04:35,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2186 to 2134. [2022-11-03 02:04:35,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2134 states, 1477 states have (on average 1.2951929587000677) internal successors, (1913), 1492 states have internal predecessors, (1913), 492 states have call successors, (492), 147 states have call predecessors, (492), 164 states have return successors, (569), 523 states have call predecessors, (569), 491 states have call successors, (569) [2022-11-03 02:04:35,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 2134 states and 2974 transitions. [2022-11-03 02:04:35,888 INFO L78 Accepts]: Start accepts. Automaton has 2134 states and 2974 transitions. Word has length 688 [2022-11-03 02:04:35,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:04:35,888 INFO L495 AbstractCegarLoop]: Abstraction has 2134 states and 2974 transitions. [2022-11-03 02:04:35,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 16.11111111111111) internal successors, (290), 14 states have internal predecessors, (290), 4 states have call successors, (84), 2 states have call predecessors, (84), 6 states have return successors, (87), 8 states have call predecessors, (87), 4 states have call successors, (87) [2022-11-03 02:04:35,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 2974 transitions. [2022-11-03 02:04:35,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2022-11-03 02:04:35,942 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:04:35,942 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 16, 16, 16, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 8, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:04:35,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2022-11-03 02:04:36,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2022-11-03 02:04:36,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (39)] Ended with exit code 0 [2022-11-03 02:04:36,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:04:36,543 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:04:36,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:04:36,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1066725101, now seen corresponding path program 1 times [2022-11-03 02:04:36,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:04:36,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [631935269] [2022-11-03 02:04:36,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:04:36,546 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:04:36,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:04:36,547 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:04:36,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2022-11-03 02:04:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:04:40,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 3852 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 02:04:40,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:04:40,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2394 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 2374 trivial. 0 not checked. [2022-11-03 02:04:40,890 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:04:43,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2394 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 2374 trivial. 0 not checked. [2022-11-03 02:04:43,276 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:04:43,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [631935269] [2022-11-03 02:04:43,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [631935269] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:04:43,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1335526452] [2022-11-03 02:04:43,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:04:43,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:04:43,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:04:43,278 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:04:43,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2022-11-03 02:04:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:04:47,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 3852 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:04:47,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:04:48,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2394 backedges. 1170 proven. 2 refuted. 0 times theorem prover too weak. 1222 trivial. 0 not checked. [2022-11-03 02:04:48,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:04:51,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2394 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 2366 trivial. 0 not checked. [2022-11-03 02:04:51,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1335526452] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:04:51,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640325249] [2022-11-03 02:04:51,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:04:51,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:04:51,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:04:51,396 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:04:51,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2022-11-03 02:04:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:04:53,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 3852 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:04:53,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:04:54,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2394 backedges. 1170 proven. 2 refuted. 0 times theorem prover too weak. 1222 trivial. 0 not checked. [2022-11-03 02:04:54,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:04:57,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2394 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 2366 trivial. 0 not checked. [2022-11-03 02:04:57,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640325249] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:04:57,350 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-03 02:04:57,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5, 5, 5, 5] total 13 [2022-11-03 02:04:57,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608946997] [2022-11-03 02:04:57,351 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-03 02:04:57,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:04:57,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:04:57,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:04:57,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:04:57,356 INFO L87 Difference]: Start difference. First operand 2134 states and 2974 transitions. Second operand has 13 states, 13 states have (on average 26.384615384615383) internal successors, (343), 12 states have internal predecessors, (343), 3 states have call successors, (105), 2 states have call predecessors, (105), 3 states have return successors, (107), 4 states have call predecessors, (107), 3 states have call successors, (107) [2022-11-03 02:04:59,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:03,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:06,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:09,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:10,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:05:10,457 INFO L93 Difference]: Finished difference Result 4452 states and 6381 transitions. [2022-11-03 02:05:10,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 02:05:10,459 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 26.384615384615383) internal successors, (343), 12 states have internal predecessors, (343), 3 states have call successors, (105), 2 states have call predecessors, (105), 3 states have return successors, (107), 4 states have call predecessors, (107), 3 states have call successors, (107) Word has length 702 [2022-11-03 02:05:10,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:05:10,469 INFO L225 Difference]: With dead ends: 4452 [2022-11-03 02:05:10,470 INFO L226 Difference]: Without dead ends: 2321 [2022-11-03 02:05:10,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4206 GetRequests, 4195 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:05:10,478 INFO L413 NwaCegarLoop]: 917 mSDtfsCounter, 65 mSDsluCounter, 7241 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 11 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 8158 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:05:10,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 8158 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 173 Invalid, 4 Unknown, 0 Unchecked, 12.7s Time] [2022-11-03 02:05:10,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2321 states. [2022-11-03 02:05:10,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2321 to 2294. [2022-11-03 02:05:10,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2294 states, 1585 states have (on average 1.2933753943217665) internal successors, (2050), 1601 states have internal predecessors, (2050), 544 states have call successors, (544), 147 states have call predecessors, (544), 164 states have return successors, (630), 584 states have call predecessors, (630), 543 states have call successors, (630) [2022-11-03 02:05:10,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2294 states to 2294 states and 3224 transitions. [2022-11-03 02:05:10,967 INFO L78 Accepts]: Start accepts. Automaton has 2294 states and 3224 transitions. Word has length 702 [2022-11-03 02:05:10,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:05:10,968 INFO L495 AbstractCegarLoop]: Abstraction has 2294 states and 3224 transitions. [2022-11-03 02:05:10,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 26.384615384615383) internal successors, (343), 12 states have internal predecessors, (343), 3 states have call successors, (105), 2 states have call predecessors, (105), 3 states have return successors, (107), 4 states have call predecessors, (107), 3 states have call successors, (107) [2022-11-03 02:05:10,968 INFO L276 IsEmpty]: Start isEmpty. Operand 2294 states and 3224 transitions. [2022-11-03 02:05:10,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2022-11-03 02:05:10,978 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:05:10,979 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 15, 15, 15, 15, 15, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:05:11,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2022-11-03 02:05:11,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2022-11-03 02:05:11,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2022-11-03 02:05:11,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:05:11,600 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:05:11,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:05:11,601 INFO L85 PathProgramCache]: Analyzing trace with hash 876476764, now seen corresponding path program 1 times [2022-11-03 02:05:11,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:05:11,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1680971461] [2022-11-03 02:05:11,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:11,604 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:05:11,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:05:11,605 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:05:11,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2022-11-03 02:05:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:05:15,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 3812 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:05:15,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:05:16,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2321 backedges. 338 proven. 1 refuted. 0 times theorem prover too weak. 1982 trivial. 0 not checked. [2022-11-03 02:05:16,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:05:17,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2321 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2318 trivial. 0 not checked. [2022-11-03 02:05:17,886 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:05:17,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1680971461] [2022-11-03 02:05:17,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1680971461] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:05:17,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [72863117] [2022-11-03 02:05:17,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:17,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:05:17,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:05:17,888 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:05:17,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2022-11-03 02:05:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:05:21,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 3812 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:05:21,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:05:22,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2321 backedges. 1019 proven. 0 refuted. 0 times theorem prover too weak. 1302 trivial. 0 not checked. [2022-11-03 02:05:22,050 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:05:22,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [72863117] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:05:22,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:05:22,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2022-11-03 02:05:22,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401322766] [2022-11-03 02:05:22,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:05:22,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:05:22,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:05:22,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:05:22,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:05:22,054 INFO L87 Difference]: Start difference. First operand 2294 states and 3224 transitions. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-11-03 02:05:22,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:05:22,391 INFO L93 Difference]: Finished difference Result 4621 states and 6533 transitions. [2022-11-03 02:05:22,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:05:22,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 685 [2022-11-03 02:05:22,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:05:22,402 INFO L225 Difference]: With dead ends: 4621 [2022-11-03 02:05:22,402 INFO L226 Difference]: Without dead ends: 2330 [2022-11-03 02:05:22,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2052 GetRequests, 2047 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:05:22,409 INFO L413 NwaCegarLoop]: 884 mSDtfsCounter, 9 mSDsluCounter, 880 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1764 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:05:22,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1764 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:05:22,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2330 states. [2022-11-03 02:05:22,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2330 to 2318. [2022-11-03 02:05:22,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2318 states, 1609 states have (on average 1.2964574269732754) internal successors, (2086), 1625 states have internal predecessors, (2086), 544 states have call successors, (544), 147 states have call predecessors, (544), 164 states have return successors, (630), 584 states have call predecessors, (630), 543 states have call successors, (630) [2022-11-03 02:05:22,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 3260 transitions. [2022-11-03 02:05:22,825 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 3260 transitions. Word has length 685 [2022-11-03 02:05:22,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:05:22,825 INFO L495 AbstractCegarLoop]: Abstraction has 2318 states and 3260 transitions. [2022-11-03 02:05:22,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-11-03 02:05:22,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 3260 transitions. [2022-11-03 02:05:22,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2022-11-03 02:05:22,832 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:05:22,832 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 16, 16, 16, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 8, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:05:22,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (45)] Forceful destruction successful, exit code 0 [2022-11-03 02:05:23,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2022-11-03 02:05:23,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:05:23,233 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:05:23,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:05:23,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1140478928, now seen corresponding path program 1 times [2022-11-03 02:05:23,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:05:23,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2002092619] [2022-11-03 02:05:23,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:23,235 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:05:23,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:05:23,237 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:05:23,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2022-11-03 02:05:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:05:27,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 3962 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:05:27,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:05:28,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2410 backedges. 364 proven. 1 refuted. 0 times theorem prover too weak. 2045 trivial. 0 not checked. [2022-11-03 02:05:28,021 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:05:29,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2410 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2407 trivial. 0 not checked. [2022-11-03 02:05:29,979 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:05:29,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2002092619] [2022-11-03 02:05:29,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2002092619] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:05:29,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1985605695] [2022-11-03 02:05:29,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:29,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:05:29,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:05:29,981 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:05:29,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2022-11-03 02:05:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:05:34,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 3962 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:05:34,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:05:35,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2410 backedges. 1249 proven. 0 refuted. 0 times theorem prover too weak. 1161 trivial. 0 not checked. [2022-11-03 02:05:35,418 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:05:35,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1985605695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:05:35,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:05:35,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4, 4] total 9 [2022-11-03 02:05:35,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161973213] [2022-11-03 02:05:35,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:05:35,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:05:35,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:05:35,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:05:35,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:05:35,421 INFO L87 Difference]: Start difference. First operand 2318 states and 3260 transitions. Second operand has 5 states, 5 states have (on average 43.6) internal successors, (218), 4 states have internal predecessors, (218), 3 states have call successors, (65), 2 states have call predecessors, (65), 3 states have return successors, (64), 4 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-03 02:05:36,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:05:36,057 INFO L93 Difference]: Finished difference Result 4636 states and 6591 transitions. [2022-11-03 02:05:36,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:05:36,058 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 43.6) internal successors, (218), 4 states have internal predecessors, (218), 3 states have call successors, (65), 2 states have call predecessors, (65), 3 states have return successors, (64), 4 states have call predecessors, (64), 3 states have call successors, (64) Word has length 707 [2022-11-03 02:05:36,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:05:36,068 INFO L225 Difference]: With dead ends: 4636 [2022-11-03 02:05:36,068 INFO L226 Difference]: Without dead ends: 2321 [2022-11-03 02:05:36,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2118 GetRequests, 2111 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:05:36,078 INFO L413 NwaCegarLoop]: 899 mSDtfsCounter, 3 mSDsluCounter, 2675 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3574 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:05:36,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3574 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:05:36,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2321 states. [2022-11-03 02:05:36,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2321 to 2318. [2022-11-03 02:05:36,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2318 states, 1609 states have (on average 1.293349906774394) internal successors, (2081), 1625 states have internal predecessors, (2081), 544 states have call successors, (544), 147 states have call predecessors, (544), 164 states have return successors, (630), 584 states have call predecessors, (630), 543 states have call successors, (630) [2022-11-03 02:05:36,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 3255 transitions. [2022-11-03 02:05:36,513 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 3255 transitions. Word has length 707 [2022-11-03 02:05:36,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:05:36,514 INFO L495 AbstractCegarLoop]: Abstraction has 2318 states and 3255 transitions. [2022-11-03 02:05:36,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 43.6) internal successors, (218), 4 states have internal predecessors, (218), 3 states have call successors, (65), 2 states have call predecessors, (65), 3 states have return successors, (64), 4 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-03 02:05:36,515 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 3255 transitions. [2022-11-03 02:05:36,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 684 [2022-11-03 02:05:36,523 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:05:36,524 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 15, 15, 15, 15, 15, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:05:36,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2022-11-03 02:05:36,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (47)] Ended with exit code 0 [2022-11-03 02:05:36,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:05:36,925 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:05:36,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:05:36,926 INFO L85 PathProgramCache]: Analyzing trace with hash 479526626, now seen corresponding path program 1 times [2022-11-03 02:05:36,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:05:36,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1638355837] [2022-11-03 02:05:36,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:36,928 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:05:36,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:05:36,929 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:05:36,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2022-11-03 02:05:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:05:41,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 3790 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:05:41,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:05:41,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2321 backedges. 338 proven. 1 refuted. 0 times theorem prover too weak. 1982 trivial. 0 not checked. [2022-11-03 02:05:41,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:05:43,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2321 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2318 trivial. 0 not checked. [2022-11-03 02:05:43,711 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:05:43,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1638355837] [2022-11-03 02:05:43,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1638355837] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:05:43,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [830579671] [2022-11-03 02:05:43,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:43,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:05:43,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:05:43,713 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:05:43,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2022-11-03 02:05:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:05:48,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 3790 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:05:48,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:05:48,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2321 trivial. 0 not checked. [2022-11-03 02:05:48,875 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:05:48,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [830579671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:05:48,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:05:48,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 7 [2022-11-03 02:05:48,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775637541] [2022-11-03 02:05:48,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:05:48,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:05:48,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:05:48,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:05:48,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:05:48,877 INFO L87 Difference]: Start difference. First operand 2318 states and 3255 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 3 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-03 02:05:49,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:05:49,242 INFO L93 Difference]: Finished difference Result 2318 states and 3255 transitions. [2022-11-03 02:05:49,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:05:49,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 3 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 683 [2022-11-03 02:05:49,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:05:49,245 INFO L225 Difference]: With dead ends: 2318 [2022-11-03 02:05:49,245 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 02:05:49,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2046 GetRequests, 2041 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:05:49,251 INFO L413 NwaCegarLoop]: 1191 mSDtfsCounter, 365 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 2008 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:05:49,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 2008 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:05:49,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 02:05:49,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 02:05:49,252 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) [2022-11-03 02:05:49,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 02:05:49,253 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 683 [2022-11-03 02:05:49,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:05:49,253 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 02:05:49,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 3 states have call successors, (49), 3 states have call predecessors, (49), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-03 02:05:49,254 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 02:05:49,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 02:05:49,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:05:49,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (49)] Forceful destruction successful, exit code 0 [2022-11-03 02:05:49,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2022-11-03 02:05:49,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:05:49,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 02:06:36,987 WARN L234 SmtUtils]: Spent 5.92s on a formula simplification. DAG size of input: 110 DAG size of output: 15 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-03 02:11:59,931 INFO L899 garLoopResultBuilder]: For program point L2975-1(line 2975) no Hoare annotation was computed. [2022-11-03 02:11:59,932 INFO L902 garLoopResultBuilder]: At program point L2975(line 2975) the Hoare annotation is: true [2022-11-03 02:11:59,932 INFO L899 garLoopResultBuilder]: For program point L2971(lines 2971 2982) no Hoare annotation was computed. [2022-11-03 02:11:59,932 INFO L899 garLoopResultBuilder]: For program point L2971-2(lines 2967 2983) no Hoare annotation was computed. [2022-11-03 02:11:59,932 INFO L899 garLoopResultBuilder]: For program point L2967(lines 2967 2983) no Hoare annotation was computed. [2022-11-03 02:11:59,933 INFO L902 garLoopResultBuilder]: At program point L2965-1(line 2965) the Hoare annotation is: true [2022-11-03 02:11:59,933 INFO L902 garLoopResultBuilder]: At program point L2965(line 2965) the Hoare annotation is: true [2022-11-03 02:11:59,933 INFO L902 garLoopResultBuilder]: At program point copy_from_userENTRY(lines 2955 2986) the Hoare annotation is: true [2022-11-03 02:11:59,933 INFO L899 garLoopResultBuilder]: For program point copy_from_userEXIT(lines 2955 2986) no Hoare annotation was computed. [2022-11-03 02:11:59,933 INFO L899 garLoopResultBuilder]: For program point L2976(lines 2976 2980) no Hoare annotation was computed. [2022-11-03 02:11:59,933 INFO L902 garLoopResultBuilder]: At program point L2976-2(lines 2976 2980) the Hoare annotation is: true [2022-11-03 02:11:59,934 INFO L902 garLoopResultBuilder]: At program point L2972(line 2972) the Hoare annotation is: true [2022-11-03 02:11:59,934 INFO L902 garLoopResultBuilder]: At program point L2970(line 2970) the Hoare annotation is: true [2022-11-03 02:11:59,934 INFO L899 garLoopResultBuilder]: For program point L2972-1(line 2972) no Hoare annotation was computed. [2022-11-03 02:11:59,934 INFO L902 garLoopResultBuilder]: At program point L2968(line 2968) the Hoare annotation is: true [2022-11-03 02:11:59,934 INFO L899 garLoopResultBuilder]: For program point L2970-1(line 2970) no Hoare annotation was computed. [2022-11-03 02:11:59,935 INFO L899 garLoopResultBuilder]: For program point L2966(line 2966) no Hoare annotation was computed. [2022-11-03 02:11:59,935 INFO L899 garLoopResultBuilder]: For program point L2968-1(line 2968) no Hoare annotation was computed. [2022-11-03 02:11:59,935 INFO L899 garLoopResultBuilder]: For program point copy_from_userFINAL(lines 2955 2986) no Hoare annotation was computed. [2022-11-03 02:11:59,935 INFO L899 garLoopResultBuilder]: For program point L2981(line 2981) no Hoare annotation was computed. [2022-11-03 02:11:59,935 INFO L902 garLoopResultBuilder]: At program point pi_releaseENTRY(lines 5135 5137) the Hoare annotation is: true [2022-11-03 02:11:59,935 INFO L899 garLoopResultBuilder]: For program point pi_releaseFINAL(lines 5135 5137) no Hoare annotation was computed. [2022-11-03 02:11:59,936 INFO L899 garLoopResultBuilder]: For program point pi_releaseEXIT(lines 5135 5137) no Hoare annotation was computed. [2022-11-03 02:11:59,936 INFO L902 garLoopResultBuilder]: At program point L5086(lines 5085 5087) the Hoare annotation is: true [2022-11-03 02:11:59,936 INFO L902 garLoopResultBuilder]: At program point ldv_unregister_chrdev_17ENTRY(lines 4605 4612) the Hoare annotation is: true [2022-11-03 02:11:59,936 INFO L902 garLoopResultBuilder]: At program point L2907(lines 2903 2909) the Hoare annotation is: true [2022-11-03 02:11:59,936 INFO L899 garLoopResultBuilder]: For program point ldv_unregister_chrdev_17FINAL(lines 4605 4612) no Hoare annotation was computed. [2022-11-03 02:11:59,936 INFO L899 garLoopResultBuilder]: For program point ldv_unregister_chrdev_17EXIT(lines 4605 4612) no Hoare annotation was computed. [2022-11-03 02:11:59,937 INFO L899 garLoopResultBuilder]: For program point write_regFINAL(lines 3035 3041) no Hoare annotation was computed. [2022-11-03 02:11:59,937 INFO L902 garLoopResultBuilder]: At program point L5142(lines 5141 5143) the Hoare annotation is: true [2022-11-03 02:11:59,937 INFO L902 garLoopResultBuilder]: At program point write_regENTRY(lines 3035 3041) the Hoare annotation is: true [2022-11-03 02:11:59,937 INFO L899 garLoopResultBuilder]: For program point write_regEXIT(lines 3035 3041) no Hoare annotation was computed. [2022-11-03 02:11:59,937 INFO L899 garLoopResultBuilder]: For program point atomic_incEXIT(lines 2824 2830) no Hoare annotation was computed. [2022-11-03 02:11:59,938 INFO L902 garLoopResultBuilder]: At program point atomic_incENTRY(lines 2824 2830) the Hoare annotation is: true [2022-11-03 02:11:59,938 INFO L899 garLoopResultBuilder]: For program point atomic_incFINAL(lines 2824 2830) no Hoare annotation was computed. [2022-11-03 02:11:59,938 INFO L902 garLoopResultBuilder]: At program point pi_disconnectENTRY(lines 5121 5123) the Hoare annotation is: true [2022-11-03 02:11:59,938 INFO L899 garLoopResultBuilder]: For program point pi_disconnectFINAL(lines 5121 5123) no Hoare annotation was computed. [2022-11-03 02:11:59,938 INFO L899 garLoopResultBuilder]: For program point pi_disconnectEXIT(lines 5121 5123) no Hoare annotation was computed. [2022-11-03 02:11:59,939 INFO L895 garLoopResultBuilder]: At program point ldv_mutex_lock_pt_mutexENTRY(lines 4974 4984) the Hoare annotation is: (or (not (= |old(~ldv_mutex_pt_mutex~0)| (_ bv1 32))) (not (= ~ldv_mutex_lock~0 (_ bv1 32))) (not (= ~ldv_retval_pt_init~0 (_ bv0 32))) (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32))) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32))) (not (= ~disable~0 (_ bv0 32)))) [2022-11-03 02:11:59,939 INFO L899 garLoopResultBuilder]: For program point L4977(lines 4977 4980) no Hoare annotation was computed. [2022-11-03 02:11:59,939 INFO L899 garLoopResultBuilder]: For program point ldv_mutex_lock_pt_mutexEXIT(lines 4974 4984) no Hoare annotation was computed. [2022-11-03 02:11:59,939 INFO L899 garLoopResultBuilder]: For program point ldv_mutex_lock_pt_mutexFINAL(lines 4974 4984) no Hoare annotation was computed. [2022-11-03 02:11:59,940 INFO L895 garLoopResultBuilder]: At program point L4979(line 4979) the Hoare annotation is: (or (not (= |old(~ldv_mutex_pt_mutex~0)| (_ bv1 32))) (not (= ~ldv_mutex_lock~0 (_ bv1 32))) (not (= ~ldv_retval_pt_init~0 (_ bv0 32))) (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32))) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32))) (not (= ~disable~0 (_ bv0 32)))) [2022-11-03 02:11:59,940 INFO L899 garLoopResultBuilder]: For program point L4979-1(lines 4977 4980) no Hoare annotation was computed. [2022-11-03 02:11:59,940 INFO L902 garLoopResultBuilder]: At program point L3024(line 3024) the Hoare annotation is: true [2022-11-03 02:11:59,940 INFO L899 garLoopResultBuilder]: For program point L3024-1(line 3024) no Hoare annotation was computed. [2022-11-03 02:11:59,940 INFO L899 garLoopResultBuilder]: For program point status_regEXIT(lines 3021 3027) no Hoare annotation was computed. [2022-11-03 02:11:59,940 INFO L902 garLoopResultBuilder]: At program point status_regENTRY(lines 3021 3027) the Hoare annotation is: true [2022-11-03 02:11:59,941 INFO L899 garLoopResultBuilder]: For program point status_regFINAL(lines 3021 3027) no Hoare annotation was computed. [2022-11-03 02:11:59,941 INFO L899 garLoopResultBuilder]: For program point __const_udelayFINAL(lines 5078 5080) no Hoare annotation was computed. [2022-11-03 02:11:59,941 INFO L899 garLoopResultBuilder]: For program point __const_udelayEXIT(lines 5078 5080) no Hoare annotation was computed. [2022-11-03 02:11:59,941 INFO L902 garLoopResultBuilder]: At program point __const_udelayENTRY(lines 5078 5080) the Hoare annotation is: true [2022-11-03 02:11:59,941 INFO L899 garLoopResultBuilder]: For program point DRIVEFINAL(lines 3042 3047) no Hoare annotation was computed. [2022-11-03 02:11:59,941 INFO L899 garLoopResultBuilder]: For program point DRIVEEXIT(lines 3042 3047) no Hoare annotation was computed. [2022-11-03 02:11:59,942 INFO L902 garLoopResultBuilder]: At program point DRIVEENTRY(lines 3042 3047) the Hoare annotation is: true [2022-11-03 02:11:59,942 INFO L899 garLoopResultBuilder]: For program point L3165-1(lines 3165 3169) no Hoare annotation was computed. [2022-11-03 02:11:59,942 INFO L899 garLoopResultBuilder]: For program point L3163(line 3163) no Hoare annotation was computed. [2022-11-03 02:11:59,942 INFO L899 garLoopResultBuilder]: For program point pt_completionFINAL(lines 3132 3172) no Hoare annotation was computed. [2022-11-03 02:11:59,942 INFO L899 garLoopResultBuilder]: For program point L3153-1(lines 3147 3161) no Hoare annotation was computed. [2022-11-03 02:11:59,943 INFO L899 garLoopResultBuilder]: For program point L3153(lines 3153 3156) no Hoare annotation was computed. [2022-11-03 02:11:59,943 INFO L899 garLoopResultBuilder]: For program point L3151-1(line 3151) no Hoare annotation was computed. [2022-11-03 02:11:59,943 INFO L902 garLoopResultBuilder]: At program point L3151(line 3151) the Hoare annotation is: true [2022-11-03 02:11:59,943 INFO L899 garLoopResultBuilder]: For program point L3149-1(line 3149) no Hoare annotation was computed. [2022-11-03 02:11:59,943 INFO L902 garLoopResultBuilder]: At program point L3149(line 3149) the Hoare annotation is: true [2022-11-03 02:11:59,943 INFO L902 garLoopResultBuilder]: At program point L3147-1(lines 3147 3162) the Hoare annotation is: true [2022-11-03 02:11:59,944 INFO L899 garLoopResultBuilder]: For program point L3147(lines 3147 3162) no Hoare annotation was computed. [2022-11-03 02:11:59,944 INFO L899 garLoopResultBuilder]: For program point L3145-1(line 3145) no Hoare annotation was computed. [2022-11-03 02:11:59,944 INFO L902 garLoopResultBuilder]: At program point L3145(line 3145) the Hoare annotation is: true [2022-11-03 02:11:59,944 INFO L902 garLoopResultBuilder]: At program point L3164(line 3164) the Hoare annotation is: true [2022-11-03 02:11:59,944 INFO L899 garLoopResultBuilder]: For program point L3164-1(lines 3143 3171) no Hoare annotation was computed. [2022-11-03 02:11:59,944 INFO L902 garLoopResultBuilder]: At program point L3158(line 3158) the Hoare annotation is: true [2022-11-03 02:11:59,945 INFO L902 garLoopResultBuilder]: At program point L3154(line 3154) the Hoare annotation is: true [2022-11-03 02:11:59,945 INFO L902 garLoopResultBuilder]: At program point L3148(line 3148) the Hoare annotation is: true [2022-11-03 02:11:59,945 INFO L902 garLoopResultBuilder]: At program point L3146(line 3146) the Hoare annotation is: true [2022-11-03 02:11:59,945 INFO L899 garLoopResultBuilder]: For program point L3148-1(line 3148) no Hoare annotation was computed. [2022-11-03 02:11:59,945 INFO L899 garLoopResultBuilder]: For program point L3146-1(line 3146) no Hoare annotation was computed. [2022-11-03 02:11:59,945 INFO L899 garLoopResultBuilder]: For program point pt_completionEXIT(lines 3132 3172) no Hoare annotation was computed. [2022-11-03 02:11:59,946 INFO L902 garLoopResultBuilder]: At program point pt_completionENTRY(lines 3132 3172) the Hoare annotation is: true [2022-11-03 02:11:59,946 INFO L902 garLoopResultBuilder]: At program point pi_read_blockENTRY(lines 5128 5130) the Hoare annotation is: true [2022-11-03 02:11:59,946 INFO L899 garLoopResultBuilder]: For program point pi_read_blockFINAL(lines 5128 5130) no Hoare annotation was computed. [2022-11-03 02:11:59,946 INFO L899 garLoopResultBuilder]: For program point pi_read_blockEXIT(lines 5128 5130) no Hoare annotation was computed. [2022-11-03 02:11:59,946 INFO L899 garLoopResultBuilder]: For program point read_regFINAL(lines 3028 3034) no Hoare annotation was computed. [2022-11-03 02:11:59,947 INFO L899 garLoopResultBuilder]: For program point read_regEXIT(lines 3028 3034) no Hoare annotation was computed. [2022-11-03 02:11:59,947 INFO L902 garLoopResultBuilder]: At program point read_regENTRY(lines 3028 3034) the Hoare annotation is: true [2022-11-03 02:11:59,947 INFO L899 garLoopResultBuilder]: For program point L3031-1(line 3031) no Hoare annotation was computed. [2022-11-03 02:11:59,947 INFO L902 garLoopResultBuilder]: At program point L3031(line 3031) the Hoare annotation is: true [2022-11-03 02:11:59,947 INFO L902 garLoopResultBuilder]: At program point L5150(lines 5149 5151) the Hoare annotation is: true [2022-11-03 02:11:59,948 INFO L899 garLoopResultBuilder]: For program point pt_sleepEXIT(lines 3261 3267) no Hoare annotation was computed. [2022-11-03 02:11:59,948 INFO L902 garLoopResultBuilder]: At program point pt_sleepENTRY(lines 3261 3267) the Hoare annotation is: true [2022-11-03 02:11:59,948 INFO L899 garLoopResultBuilder]: For program point pt_sleepFINAL(lines 3261 3267) no Hoare annotation was computed. [2022-11-03 02:11:59,948 INFO L902 garLoopResultBuilder]: At program point L3322(line 3322) the Hoare annotation is: true [2022-11-03 02:11:59,948 INFO L899 garLoopResultBuilder]: For program point L3323-1(line 3323) no Hoare annotation was computed. [2022-11-03 02:11:59,948 INFO L902 garLoopResultBuilder]: At program point L3323(line 3323) the Hoare annotation is: true [2022-11-03 02:11:59,949 INFO L899 garLoopResultBuilder]: For program point L3322-1(line 3322) no Hoare annotation was computed. [2022-11-03 02:11:59,949 INFO L902 garLoopResultBuilder]: At program point L3318(line 3318) the Hoare annotation is: true [2022-11-03 02:11:59,949 INFO L902 garLoopResultBuilder]: At program point L3316(line 3316) the Hoare annotation is: true [2022-11-03 02:11:59,949 INFO L899 garLoopResultBuilder]: For program point L3317(lines 3317 3321) no Hoare annotation was computed. [2022-11-03 02:11:59,949 INFO L899 garLoopResultBuilder]: For program point L3316-1(line 3316) no Hoare annotation was computed. [2022-11-03 02:11:59,950 INFO L899 garLoopResultBuilder]: For program point pt_media_access_cmdFINAL(lines 3313 3326) no Hoare annotation was computed. [2022-11-03 02:11:59,950 INFO L902 garLoopResultBuilder]: At program point pt_media_access_cmdENTRY(lines 3313 3326) the Hoare annotation is: true [2022-11-03 02:11:59,950 INFO L899 garLoopResultBuilder]: For program point pt_media_access_cmdEXIT(lines 3313 3326) no Hoare annotation was computed. [2022-11-03 02:11:59,950 INFO L899 garLoopResultBuilder]: For program point L3361-1(line 3361) no Hoare annotation was computed. [2022-11-03 02:11:59,950 INFO L899 garLoopResultBuilder]: For program point pt_write_fmEXIT(lines 3346 3364) no Hoare annotation was computed. [2022-11-03 02:11:59,951 INFO L902 garLoopResultBuilder]: At program point L3361(line 3361) the Hoare annotation is: true [2022-11-03 02:11:59,951 INFO L902 garLoopResultBuilder]: At program point pt_write_fmENTRY(lines 3346 3364) the Hoare annotation is: true [2022-11-03 02:11:59,951 INFO L899 garLoopResultBuilder]: For program point pt_write_fmFINAL(lines 3346 3364) no Hoare annotation was computed. [2022-11-03 02:11:59,951 INFO L902 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 2925 2934) the Hoare annotation is: true [2022-11-03 02:11:59,951 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 2925 2934) no Hoare annotation was computed. [2022-11-03 02:11:59,951 INFO L899 garLoopResultBuilder]: For program point L2927(lines 2927 2933) no Hoare annotation was computed. [2022-11-03 02:11:59,952 INFO L902 garLoopResultBuilder]: At program point L2923(lines 2921 2924) the Hoare annotation is: true [2022-11-03 02:11:59,952 INFO L899 garLoopResultBuilder]: For program point L2918(line 2918) no Hoare annotation was computed. [2022-11-03 02:11:59,952 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 2925 2934) no Hoare annotation was computed. [2022-11-03 02:11:59,952 INFO L899 garLoopResultBuilder]: For program point L2917(lines 2917 2919) no Hoare annotation was computed. [2022-11-03 02:11:59,952 INFO L899 garLoopResultBuilder]: For program point iminorEXIT(lines 2884 2889) no Hoare annotation was computed. [2022-11-03 02:11:59,953 INFO L902 garLoopResultBuilder]: At program point iminorENTRY(lines 2884 2889) the Hoare annotation is: true [2022-11-03 02:11:59,953 INFO L899 garLoopResultBuilder]: For program point iminorFINAL(lines 2884 2889) no Hoare annotation was computed. [2022-11-03 02:11:59,953 INFO L899 garLoopResultBuilder]: For program point L3425(line 3425) no Hoare annotation was computed. [2022-11-03 02:11:59,953 INFO L899 garLoopResultBuilder]: For program point L3384(line 3384) no Hoare annotation was computed. [2022-11-03 02:11:59,953 INFO L902 garLoopResultBuilder]: At program point L3417(lines 3376 3444) the Hoare annotation is: true [2022-11-03 02:11:59,953 INFO L902 garLoopResultBuilder]: At program point L3413(lines 3376 3444) the Hoare annotation is: true [2022-11-03 02:11:59,954 INFO L899 garLoopResultBuilder]: For program point L3442(line 3442) no Hoare annotation was computed. [2022-11-03 02:11:59,954 INFO L902 garLoopResultBuilder]: At program point pt_resetENTRY(lines 3365 3445) the Hoare annotation is: true [2022-11-03 02:11:59,954 INFO L902 garLoopResultBuilder]: At program point L3430(lines 3420 3440) the Hoare annotation is: true [2022-11-03 02:11:59,954 INFO L899 garLoopResultBuilder]: For program point L3397(lines 3397 3401) no Hoare annotation was computed. [2022-11-03 02:11:59,954 INFO L902 garLoopResultBuilder]: At program point L3385-1(line 3385) the Hoare annotation is: true [2022-11-03 02:11:59,954 INFO L902 garLoopResultBuilder]: At program point L3385(line 3385) the Hoare annotation is: true [2022-11-03 02:11:59,955 INFO L899 garLoopResultBuilder]: For program point L3410(line 3410) no Hoare annotation was computed. [2022-11-03 02:11:59,955 INFO L899 garLoopResultBuilder]: For program point L3435-1(lines 3435 3438) no Hoare annotation was computed. [2022-11-03 02:11:59,955 INFO L902 garLoopResultBuilder]: At program point L3398(lines 3376 3444) the Hoare annotation is: true [2022-11-03 02:11:59,955 INFO L902 garLoopResultBuilder]: At program point L3386(line 3386) the Hoare annotation is: true [2022-11-03 02:11:59,955 INFO L902 garLoopResultBuilder]: At program point L3415(lines 3376 3444) the Hoare annotation is: true [2022-11-03 02:11:59,956 INFO L902 garLoopResultBuilder]: At program point L3403(lines 3376 3444) the Hoare annotation is: true [2022-11-03 02:11:59,956 INFO L902 garLoopResultBuilder]: At program point L3432(lines 3420 3440) the Hoare annotation is: true [2022-11-03 02:11:59,956 INFO L902 garLoopResultBuilder]: At program point L3428(lines 3420 3440) the Hoare annotation is: true [2022-11-03 02:11:59,956 INFO L899 garLoopResultBuilder]: For program point pt_resetEXIT(lines 3365 3445) no Hoare annotation was computed. [2022-11-03 02:11:59,956 INFO L899 garLoopResultBuilder]: For program point L3395(lines 3395 3404) no Hoare annotation was computed. [2022-11-03 02:11:59,957 INFO L902 garLoopResultBuilder]: At program point L3391(lines 3376 3444) the Hoare annotation is: true [2022-11-03 02:11:59,957 INFO L899 garLoopResultBuilder]: For program point L3387(line 3387) no Hoare annotation was computed. [2022-11-03 02:11:59,957 INFO L902 garLoopResultBuilder]: At program point L3420-1(lines 3420 3441) the Hoare annotation is: true [2022-11-03 02:11:59,957 INFO L902 garLoopResultBuilder]: At program point L3383-1(line 3383) the Hoare annotation is: true [2022-11-03 02:11:59,957 INFO L902 garLoopResultBuilder]: At program point L3383(line 3383) the Hoare annotation is: true [2022-11-03 02:11:59,957 INFO L899 garLoopResultBuilder]: For program point pt_resetFINAL(lines 3365 3445) no Hoare annotation was computed. [2022-11-03 02:11:59,958 INFO L902 garLoopResultBuilder]: At program point L3396(line 3396) the Hoare annotation is: true [2022-11-03 02:11:59,958 INFO L899 garLoopResultBuilder]: For program point L3396-1(line 3396) no Hoare annotation was computed. [2022-11-03 02:11:59,958 INFO L899 garLoopResultBuilder]: For program point pi_write_blockEXIT(lines 5138 5140) no Hoare annotation was computed. [2022-11-03 02:11:59,958 INFO L902 garLoopResultBuilder]: At program point pi_write_blockENTRY(lines 5138 5140) the Hoare annotation is: true [2022-11-03 02:11:59,958 INFO L899 garLoopResultBuilder]: For program point pi_write_blockFINAL(lines 5138 5140) no Hoare annotation was computed. [2022-11-03 02:11:59,958 INFO L902 garLoopResultBuilder]: At program point L3487(lines 3451 3493) the Hoare annotation is: true [2022-11-03 02:11:59,959 INFO L899 garLoopResultBuilder]: For program point L3644(lines 3644 3652) no Hoare annotation was computed. [2022-11-03 02:11:59,959 INFO L899 garLoopResultBuilder]: For program point L3644-2(lines 3644 3652) no Hoare annotation was computed. [2022-11-03 02:11:59,959 INFO L899 garLoopResultBuilder]: For program point L3479(lines 3479 3482) no Hoare annotation was computed. [2022-11-03 02:11:59,959 INFO L899 garLoopResultBuilder]: For program point L3603-1(line 3603) no Hoare annotation was computed. [2022-11-03 02:11:59,959 INFO L902 garLoopResultBuilder]: At program point L3603(line 3603) the Hoare annotation is: true [2022-11-03 02:11:59,959 INFO L899 garLoopResultBuilder]: For program point L3475(lines 3475 3478) no Hoare annotation was computed. [2022-11-03 02:11:59,960 INFO L899 garLoopResultBuilder]: For program point L3628(line 3628) no Hoare annotation was computed. [2022-11-03 02:11:59,960 INFO L899 garLoopResultBuilder]: For program point L3624(lines 3624 3627) no Hoare annotation was computed. [2022-11-03 02:11:59,960 INFO L902 garLoopResultBuilder]: At program point L3624-2(lines 3624 3627) the Hoare annotation is: true [2022-11-03 02:11:59,960 INFO L902 garLoopResultBuilder]: At program point L3492(lines 3446 3494) the Hoare annotation is: true [2022-11-03 02:11:59,960 INFO L902 garLoopResultBuilder]: At program point L3484(line 3484) the Hoare annotation is: true [2022-11-03 02:11:59,961 INFO L902 garLoopResultBuilder]: At program point L3484-1(lines 3451 3493) the Hoare annotation is: true [2022-11-03 02:11:59,961 INFO L899 garLoopResultBuilder]: For program point L3604(lines 3604 3607) no Hoare annotation was computed. [2022-11-03 02:11:59,961 INFO L899 garLoopResultBuilder]: For program point pt_identifyFINAL(lines 3551 3655) no Hoare annotation was computed. [2022-11-03 02:11:59,961 INFO L899 garLoopResultBuilder]: For program point L3637(line 3637) no Hoare annotation was computed. [2022-11-03 02:11:59,961 INFO L899 garLoopResultBuilder]: For program point L3468(lines 3468 3472) no Hoare annotation was computed. [2022-11-03 02:11:59,961 INFO L899 garLoopResultBuilder]: For program point L3629(lines 3629 3636) no Hoare annotation was computed. [2022-11-03 02:11:59,962 INFO L902 garLoopResultBuilder]: At program point L3468-2(lines 3468 3472) the Hoare annotation is: true [2022-11-03 02:11:59,962 INFO L902 garLoopResultBuilder]: At program point L3629-2(lines 3629 3636) the Hoare annotation is: true [2022-11-03 02:11:59,962 INFO L899 garLoopResultBuilder]: For program point pt_identifyEXIT(lines 3551 3655) no Hoare annotation was computed. [2022-11-03 02:11:59,962 INFO L902 garLoopResultBuilder]: At program point pt_identifyENTRY(lines 3551 3655) the Hoare annotation is: true [2022-11-03 02:11:59,962 INFO L902 garLoopResultBuilder]: At program point L3489(lines 3451 3493) the Hoare annotation is: true [2022-11-03 02:11:59,962 INFO L899 garLoopResultBuilder]: For program point L3609(lines 3609 3617) no Hoare annotation was computed. [2022-11-03 02:11:59,963 INFO L899 garLoopResultBuilder]: For program point L3638(lines 3638 3641) no Hoare annotation was computed. [2022-11-03 02:11:59,963 INFO L899 garLoopResultBuilder]: For program point L3638-2(lines 3638 3641) no Hoare annotation was computed. [2022-11-03 02:11:59,963 INFO L899 garLoopResultBuilder]: For program point L3634(line 3634) no Hoare annotation was computed. [2022-11-03 02:11:59,963 INFO L899 garLoopResultBuilder]: For program point L3473(line 3473) no Hoare annotation was computed. [2022-11-03 02:11:59,963 INFO L899 garLoopResultBuilder]: For program point L3630(lines 3630 3633) no Hoare annotation was computed. [2022-11-03 02:11:59,963 INFO L902 garLoopResultBuilder]: At program point L3630-2(lines 3630 3633) the Hoare annotation is: true [2022-11-03 02:11:59,964 INFO L902 garLoopResultBuilder]: At program point L3618(line 3618) the Hoare annotation is: true [2022-11-03 02:11:59,964 INFO L902 garLoopResultBuilder]: At program point L3618-1(line 3618) the Hoare annotation is: true [2022-11-03 02:11:59,964 INFO L899 garLoopResultBuilder]: For program point L3647(lines 3647 3650) no Hoare annotation was computed. [2022-11-03 02:11:59,964 INFO L899 garLoopResultBuilder]: For program point L3647-2(lines 3647 3650) no Hoare annotation was computed. [2022-11-03 02:11:59,964 INFO L899 garLoopResultBuilder]: For program point L3610(lines 3610 3614) no Hoare annotation was computed. [2022-11-03 02:11:59,964 INFO L899 garLoopResultBuilder]: For program point L3610-2(lines 3610 3614) no Hoare annotation was computed. [2022-11-03 02:11:59,965 INFO L899 garLoopResultBuilder]: For program point L3639-1(line 3639) no Hoare annotation was computed. [2022-11-03 02:11:59,965 INFO L902 garLoopResultBuilder]: At program point L3639(line 3639) the Hoare annotation is: true [2022-11-03 02:11:59,965 INFO L899 garLoopResultBuilder]: For program point L3619(line 3619) no Hoare annotation was computed. [2022-11-03 02:11:59,965 INFO L899 garLoopResultBuilder]: For program point pi_initEXIT(lines 5125 5127) no Hoare annotation was computed. [2022-11-03 02:11:59,965 INFO L902 garLoopResultBuilder]: At program point pi_initENTRY(lines 5125 5127) the Hoare annotation is: true [2022-11-03 02:11:59,965 INFO L899 garLoopResultBuilder]: For program point pi_initFINAL(lines 5125 5127) no Hoare annotation was computed. [2022-11-03 02:11:59,966 INFO L902 garLoopResultBuilder]: At program point pi_read_regrENTRY(lines 5132 5134) the Hoare annotation is: true [2022-11-03 02:11:59,966 INFO L899 garLoopResultBuilder]: For program point pi_read_regrFINAL(lines 5132 5134) no Hoare annotation was computed. [2022-11-03 02:11:59,966 INFO L899 garLoopResultBuilder]: For program point pi_read_regrEXIT(lines 5132 5134) no Hoare annotation was computed. [2022-11-03 02:11:59,966 INFO L902 garLoopResultBuilder]: At program point might_faultFINAL(lines 5105 5107) the Hoare annotation is: true [2022-11-03 02:11:59,966 INFO L899 garLoopResultBuilder]: For program point might_faultEXIT(lines 5105 5107) no Hoare annotation was computed. [2022-11-03 02:11:59,966 INFO L902 garLoopResultBuilder]: At program point L3105-1(line 3105) the Hoare annotation is: true [2022-11-03 02:11:59,967 INFO L902 garLoopResultBuilder]: At program point L3105(line 3105) the Hoare annotation is: true [2022-11-03 02:11:59,967 INFO L902 garLoopResultBuilder]: At program point pt_commandENTRY(lines 3095 3131) the Hoare annotation is: true [2022-11-03 02:11:59,967 INFO L902 garLoopResultBuilder]: At program point L3103-1(line 3103) the Hoare annotation is: true [2022-11-03 02:11:59,967 INFO L902 garLoopResultBuilder]: At program point L3103(line 3103) the Hoare annotation is: true [2022-11-03 02:11:59,967 INFO L895 garLoopResultBuilder]: At program point L3128(line 3128) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) pt_command_~tmp___0~1)) (.cse2 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse3 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse4 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse5 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse4 .cse5))) [2022-11-03 02:11:59,968 INFO L899 garLoopResultBuilder]: For program point pt_commandFINAL(lines 3095 3131) no Hoare annotation was computed. [2022-11-03 02:11:59,968 INFO L899 garLoopResultBuilder]: For program point L3128-1(line 3128) no Hoare annotation was computed. [2022-11-03 02:11:59,968 INFO L895 garLoopResultBuilder]: At program point L3124(line 3124) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) pt_command_~tmp___0~1)) (.cse2 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse3 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse4 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse5 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse4 .cse5))) [2022-11-03 02:11:59,968 INFO L899 garLoopResultBuilder]: For program point L3122(lines 3122 3127) no Hoare annotation was computed. [2022-11-03 02:11:59,968 INFO L899 garLoopResultBuilder]: For program point L3124-1(line 3124) no Hoare annotation was computed. [2022-11-03 02:11:59,969 INFO L899 garLoopResultBuilder]: For program point L3116(lines 3116 3120) no Hoare annotation was computed. [2022-11-03 02:11:59,969 INFO L895 garLoopResultBuilder]: At program point L3114(line 3114) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) pt_command_~tmp___0~1)) (.cse2 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse3 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse4 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse5 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse4 .cse5))) [2022-11-03 02:11:59,969 INFO L895 garLoopResultBuilder]: At program point L3112(line 3112) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) pt_command_~tmp___0~1)) (.cse2 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse3 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse4 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse5 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse4 .cse5))) [2022-11-03 02:11:59,970 INFO L895 garLoopResultBuilder]: At program point L3112-1(line 3112) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) pt_command_~tmp___0~1)) (.cse2 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse3 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse4 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse5 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse4 .cse5))) [2022-11-03 02:11:59,970 INFO L902 garLoopResultBuilder]: At program point L3108(line 3108) the Hoare annotation is: true [2022-11-03 02:11:59,970 INFO L899 garLoopResultBuilder]: For program point L3106(line 3106) no Hoare annotation was computed. [2022-11-03 02:11:59,970 INFO L899 garLoopResultBuilder]: For program point L3108-1(line 3108) no Hoare annotation was computed. [2022-11-03 02:11:59,970 INFO L899 garLoopResultBuilder]: For program point L3104(line 3104) no Hoare annotation was computed. [2022-11-03 02:11:59,970 INFO L899 garLoopResultBuilder]: For program point L3121-1(line 3121) no Hoare annotation was computed. [2022-11-03 02:11:59,971 INFO L895 garLoopResultBuilder]: At program point L3121(line 3121) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) pt_command_~tmp___0~1)) (.cse2 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse3 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse4 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse5 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse4 .cse5))) [2022-11-03 02:11:59,971 INFO L899 garLoopResultBuilder]: For program point L3117-1(line 3117) no Hoare annotation was computed. [2022-11-03 02:11:59,971 INFO L895 garLoopResultBuilder]: At program point L3117(line 3117) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) pt_command_~tmp___0~1)) (.cse2 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse3 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse4 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse5 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse4 .cse5))) [2022-11-03 02:11:59,971 INFO L899 garLoopResultBuilder]: For program point L3115(line 3115) no Hoare annotation was computed. [2022-11-03 02:11:59,972 INFO L895 garLoopResultBuilder]: At program point L3113(line 3113) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) pt_command_~tmp___0~1)) (.cse2 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse3 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse4 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse5 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse4 .cse5))) [2022-11-03 02:11:59,972 INFO L899 garLoopResultBuilder]: For program point pt_commandEXIT(lines 3095 3131) no Hoare annotation was computed. [2022-11-03 02:11:59,972 INFO L899 garLoopResultBuilder]: For program point L3107(lines 3107 3111) no Hoare annotation was computed. [2022-11-03 02:11:59,972 INFO L899 garLoopResultBuilder]: For program point pt_waitEXIT(lines 3048 3094) no Hoare annotation was computed. [2022-11-03 02:11:59,972 INFO L902 garLoopResultBuilder]: At program point L3068(lines 3056 3093) the Hoare annotation is: true [2022-11-03 02:11:59,973 INFO L899 garLoopResultBuilder]: For program point L3064(lines 3064 3074) no Hoare annotation was computed. [2022-11-03 02:11:59,973 INFO L899 garLoopResultBuilder]: For program point L3079-1(line 3079) no Hoare annotation was computed. [2022-11-03 02:11:59,973 INFO L902 garLoopResultBuilder]: At program point L3079(line 3079) the Hoare annotation is: true [2022-11-03 02:11:59,973 INFO L899 garLoopResultBuilder]: For program point L3077-1(line 3077) no Hoare annotation was computed. [2022-11-03 02:11:59,973 INFO L902 garLoopResultBuilder]: At program point pt_waitENTRY(lines 3048 3094) the Hoare annotation is: true [2022-11-03 02:11:59,973 INFO L902 garLoopResultBuilder]: At program point L3077(line 3077) the Hoare annotation is: true [2022-11-03 02:11:59,974 INFO L902 garLoopResultBuilder]: At program point L3073(lines 3056 3093) the Hoare annotation is: true [2022-11-03 02:11:59,974 INFO L899 garLoopResultBuilder]: For program point L3067(lines 3067 3071) no Hoare annotation was computed. [2022-11-03 02:11:59,974 INFO L899 garLoopResultBuilder]: For program point L3063(line 3063) no Hoare annotation was computed. [2022-11-03 02:11:59,974 INFO L902 garLoopResultBuilder]: At program point L3061(lines 3056 3093) the Hoare annotation is: true [2022-11-03 02:11:59,974 INFO L899 garLoopResultBuilder]: For program point pt_waitFINAL(lines 3048 3094) no Hoare annotation was computed. [2022-11-03 02:11:59,974 INFO L899 garLoopResultBuilder]: For program point L3084-1(lines 3084 3088) no Hoare annotation was computed. [2022-11-03 02:11:59,974 INFO L899 garLoopResultBuilder]: For program point L3080(lines 3080 3083) no Hoare annotation was computed. [2022-11-03 02:11:59,975 INFO L902 garLoopResultBuilder]: At program point L3078(line 3078) the Hoare annotation is: true [2022-11-03 02:11:59,975 INFO L899 garLoopResultBuilder]: For program point L3080-2(lines 3076 3090) no Hoare annotation was computed. [2022-11-03 02:11:59,975 INFO L899 garLoopResultBuilder]: For program point L3078-1(line 3078) no Hoare annotation was computed. [2022-11-03 02:11:59,975 INFO L902 garLoopResultBuilder]: At program point mutex_unlockENTRY(lines 5115 5117) the Hoare annotation is: true [2022-11-03 02:11:59,975 INFO L899 garLoopResultBuilder]: For program point mutex_unlockEXIT(lines 5115 5117) no Hoare annotation was computed. [2022-11-03 02:11:59,975 INFO L899 garLoopResultBuilder]: For program point mutex_unlockFINAL(lines 5115 5117) no Hoare annotation was computed. [2022-11-03 02:11:59,976 INFO L899 garLoopResultBuilder]: For program point L4156(lines 4156 4161) no Hoare annotation was computed. [2022-11-03 02:11:59,976 INFO L899 garLoopResultBuilder]: For program point L4090(lines 4090 4093) no Hoare annotation was computed. [2022-11-03 02:11:59,976 INFO L899 garLoopResultBuilder]: For program point L4214(line 4214) no Hoare annotation was computed. [2022-11-03 02:11:59,976 INFO L902 garLoopResultBuilder]: At program point L4140(lines 4075 4227) the Hoare annotation is: true [2022-11-03 02:11:59,976 INFO L902 garLoopResultBuilder]: At program point L4223(lines 4075 4227) the Hoare annotation is: true [2022-11-03 02:11:59,976 INFO L899 garLoopResultBuilder]: For program point L4190(lines 4190 4193) no Hoare annotation was computed. [2022-11-03 02:11:59,977 INFO L902 garLoopResultBuilder]: At program point L4157-1(line 4157) the Hoare annotation is: true [2022-11-03 02:11:59,977 INFO L899 garLoopResultBuilder]: For program point L4190-2(lines 4190 4193) no Hoare annotation was computed. [2022-11-03 02:11:59,977 INFO L902 garLoopResultBuilder]: At program point L4157(line 4157) the Hoare annotation is: true [2022-11-03 02:11:59,977 INFO L899 garLoopResultBuilder]: For program point L4215(lines 4215 4218) no Hoare annotation was computed. [2022-11-03 02:11:59,977 INFO L902 garLoopResultBuilder]: At program point L4207(lines 4075 4227) the Hoare annotation is: true [2022-11-03 02:11:59,977 INFO L902 garLoopResultBuilder]: At program point L4174(line 4174) the Hoare annotation is: true [2022-11-03 02:11:59,978 INFO L899 garLoopResultBuilder]: For program point L4174-1(line 4174) no Hoare annotation was computed. [2022-11-03 02:11:59,978 INFO L899 garLoopResultBuilder]: For program point L4166(line 4166) no Hoare annotation was computed. [2022-11-03 02:11:59,978 INFO L895 garLoopResultBuilder]: At program point L4133(lines 4129 4143) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 (_ bv1 32))) (not (= ~ldv_retval_pt_init~0 (_ bv0 32))) (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32))) (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32))) (not (= ~disable~0 (_ bv0 32)))) [2022-11-03 02:11:59,978 INFO L899 garLoopResultBuilder]: For program point L4158(line 4158) no Hoare annotation was computed. [2022-11-03 02:11:59,978 INFO L902 garLoopResultBuilder]: At program point pt_writeENTRY(lines 4055 4228) the Hoare annotation is: true [2022-11-03 02:11:59,978 INFO L902 garLoopResultBuilder]: At program point L4150-1(lines 4150 4154) the Hoare annotation is: true [2022-11-03 02:11:59,979 INFO L899 garLoopResultBuilder]: For program point L4167(lines 4167 4170) no Hoare annotation was computed. [2022-11-03 02:11:59,979 INFO L899 garLoopResultBuilder]: For program point pt_writeFINAL(lines 4055 4228) no Hoare annotation was computed. [2022-11-03 02:11:59,979 INFO L902 garLoopResultBuilder]: At program point L4126(line 4126) the Hoare annotation is: true [2022-11-03 02:11:59,979 INFO L899 garLoopResultBuilder]: For program point L4126-1(line 4126) no Hoare annotation was computed. [2022-11-03 02:11:59,979 INFO L899 garLoopResultBuilder]: For program point pt_writeEXIT(lines 4055 4228) no Hoare annotation was computed. [2022-11-03 02:11:59,979 INFO L899 garLoopResultBuilder]: For program point L4176(lines 4176 4181) no Hoare annotation was computed. [2022-11-03 02:11:59,980 INFO L902 garLoopResultBuilder]: At program point L4209(lines 4075 4227) the Hoare annotation is: true [2022-11-03 02:11:59,980 INFO L902 garLoopResultBuilder]: At program point L4168(lines 4075 4227) the Hoare annotation is: true [2022-11-03 02:11:59,980 INFO L899 garLoopResultBuilder]: For program point L4102(lines 4102 4105) no Hoare annotation was computed. [2022-11-03 02:11:59,980 INFO L902 garLoopResultBuilder]: At program point L4201(line 4201) the Hoare annotation is: true [2022-11-03 02:11:59,980 INFO L899 garLoopResultBuilder]: For program point L4201-1(line 4201) no Hoare annotation was computed. [2022-11-03 02:11:59,980 INFO L899 garLoopResultBuilder]: For program point L4094(lines 4094 4105) no Hoare annotation was computed. [2022-11-03 02:11:59,981 INFO L902 garLoopResultBuilder]: At program point L4127(lines 4127 4143) the Hoare annotation is: true [2022-11-03 02:11:59,981 INFO L899 garLoopResultBuilder]: For program point L4094-2(lines 4094 4105) no Hoare annotation was computed. [2022-11-03 02:11:59,981 INFO L899 garLoopResultBuilder]: For program point L4185(lines 4185 4188) no Hoare annotation was computed. [2022-11-03 02:11:59,981 INFO L899 garLoopResultBuilder]: For program point L4119(lines 4119 4122) no Hoare annotation was computed. [2022-11-03 02:11:59,981 INFO L899 garLoopResultBuilder]: For program point L4185-2(lines 4185 4188) no Hoare annotation was computed. [2022-11-03 02:11:59,981 INFO L899 garLoopResultBuilder]: For program point L4119-2(lines 4119 4122) no Hoare annotation was computed. [2022-11-03 02:11:59,982 INFO L899 garLoopResultBuilder]: For program point L4177-1(line 4177) no Hoare annotation was computed. [2022-11-03 02:11:59,982 INFO L902 garLoopResultBuilder]: At program point L4177(line 4177) the Hoare annotation is: true [2022-11-03 02:11:59,982 INFO L902 garLoopResultBuilder]: At program point L4194(lines 4194 4195) the Hoare annotation is: true [2022-11-03 02:11:59,982 INFO L899 garLoopResultBuilder]: For program point L4194-1(lines 4194 4195) no Hoare annotation was computed. [2022-11-03 02:11:59,982 INFO L902 garLoopResultBuilder]: At program point L4219(lines 4075 4227) the Hoare annotation is: true [2022-11-03 02:11:59,982 INFO L899 garLoopResultBuilder]: For program point L4145-1(line 4145) no Hoare annotation was computed. [2022-11-03 02:11:59,983 INFO L902 garLoopResultBuilder]: At program point L4145(line 4145) the Hoare annotation is: true [2022-11-03 02:11:59,983 INFO L899 garLoopResultBuilder]: For program point L4137(lines 4137 4141) no Hoare annotation was computed. [2022-11-03 02:11:59,983 INFO L899 garLoopResultBuilder]: For program point L4162(lines 4162 4165) no Hoare annotation was computed. [2022-11-03 02:11:59,983 INFO L902 garLoopResultBuilder]: At program point L4096(line 4096) the Hoare annotation is: true [2022-11-03 02:11:59,983 INFO L902 garLoopResultBuilder]: At program point L4162-2(lines 4162 4165) the Hoare annotation is: true [2022-11-03 02:11:59,983 INFO L899 garLoopResultBuilder]: For program point L4096-1(line 4096) no Hoare annotation was computed. [2022-11-03 02:11:59,983 INFO L899 garLoopResultBuilder]: For program point L4113(line 4113) no Hoare annotation was computed. [2022-11-03 02:11:59,984 INFO L895 garLoopResultBuilder]: At program point L4138(lines 4129 4143) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 (_ bv1 32))) (not (= ~ldv_retval_pt_init~0 (_ bv0 32))) (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32))) (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32))) (not (= ~disable~0 (_ bv0 32)))) [2022-11-03 02:11:59,984 INFO L899 garLoopResultBuilder]: For program point L4171-1(line 4171) no Hoare annotation was computed. [2022-11-03 02:11:59,984 INFO L902 garLoopResultBuilder]: At program point L4171(line 4171) the Hoare annotation is: true [2022-11-03 02:11:59,984 INFO L899 garLoopResultBuilder]: For program point L4196(lines 4196 4200) no Hoare annotation was computed. [2022-11-03 02:11:59,984 INFO L899 garLoopResultBuilder]: For program point L4097(lines 4097 4100) no Hoare annotation was computed. [2022-11-03 02:11:59,984 INFO L902 garLoopResultBuilder]: At program point L4221(lines 4075 4227) the Hoare annotation is: true [2022-11-03 02:11:59,985 INFO L899 garLoopResultBuilder]: For program point L4155(line 4155) no Hoare annotation was computed. [2022-11-03 02:11:59,985 INFO L899 garLoopResultBuilder]: For program point L4114(lines 4114 4117) no Hoare annotation was computed. [2022-11-03 02:11:59,985 INFO L902 garLoopResultBuilder]: At program point L4172(line 4172) the Hoare annotation is: true [2022-11-03 02:11:59,985 INFO L899 garLoopResultBuilder]: For program point L4106(lines 4106 4109) no Hoare annotation was computed. [2022-11-03 02:11:59,985 INFO L902 garLoopResultBuilder]: At program point L4205(lines 4075 4227) the Hoare annotation is: true [2022-11-03 02:11:59,985 INFO L899 garLoopResultBuilder]: For program point L4172-1(line 4172) no Hoare annotation was computed. [2022-11-03 02:11:59,986 INFO L899 garLoopResultBuilder]: For program point L4197-1(line 4197) no Hoare annotation was computed. [2022-11-03 02:11:59,986 INFO L902 garLoopResultBuilder]: At program point L4197(line 4197) the Hoare annotation is: true [2022-11-03 02:11:59,986 INFO L899 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 4614 4619) no Hoare annotation was computed. [2022-11-03 02:11:59,986 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 4614 4619) the Hoare annotation is: true [2022-11-03 02:11:59,986 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4617) no Hoare annotation was computed. [2022-11-03 02:11:59,986 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 4614 4619) no Hoare annotation was computed. [2022-11-03 02:11:59,987 INFO L902 garLoopResultBuilder]: At program point pi_connectENTRY(lines 5118 5120) the Hoare annotation is: true [2022-11-03 02:11:59,987 INFO L899 garLoopResultBuilder]: For program point pi_connectEXIT(lines 5118 5120) no Hoare annotation was computed. [2022-11-03 02:11:59,987 INFO L899 garLoopResultBuilder]: For program point pi_connectFINAL(lines 5118 5120) no Hoare annotation was computed. [2022-11-03 02:11:59,987 INFO L899 garLoopResultBuilder]: For program point device_destroyFINAL(lines 5102 5104) no Hoare annotation was computed. [2022-11-03 02:11:59,987 INFO L899 garLoopResultBuilder]: For program point device_destroyEXIT(lines 5102 5104) no Hoare annotation was computed. [2022-11-03 02:11:59,987 INFO L902 garLoopResultBuilder]: At program point device_destroyENTRY(lines 5102 5104) the Hoare annotation is: true [2022-11-03 02:11:59,988 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectFINAL(lines 4621 4626) no Hoare annotation was computed. [2022-11-03 02:11:59,988 INFO L902 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 4621 4626) the Hoare annotation is: true [2022-11-03 02:11:59,988 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 4621 4626) no Hoare annotation was computed. [2022-11-03 02:11:59,988 INFO L899 garLoopResultBuilder]: For program point L3681-1(line 3681) no Hoare annotation was computed. [2022-11-03 02:11:59,988 INFO L902 garLoopResultBuilder]: At program point L3681(line 3681) the Hoare annotation is: true [2022-11-03 02:11:59,988 INFO L902 garLoopResultBuilder]: At program point L3675(lines 3662 3680) the Hoare annotation is: true [2022-11-03 02:11:59,988 INFO L902 garLoopResultBuilder]: At program point L3673(lines 3662 3680) the Hoare annotation is: true [2022-11-03 02:11:59,989 INFO L902 garLoopResultBuilder]: At program point pt_probeENTRY(lines 3656 3690) the Hoare annotation is: true [2022-11-03 02:11:59,989 INFO L899 garLoopResultBuilder]: For program point L3667(lines 3667 3671) no Hoare annotation was computed. [2022-11-03 02:11:59,989 INFO L899 garLoopResultBuilder]: For program point L3682(lines 3682 3686) no Hoare annotation was computed. [2022-11-03 02:11:59,989 INFO L899 garLoopResultBuilder]: For program point L3674(lines 3674 3678) no Hoare annotation was computed. [2022-11-03 02:11:59,989 INFO L899 garLoopResultBuilder]: For program point pt_probeEXIT(lines 3656 3690) no Hoare annotation was computed. [2022-11-03 02:11:59,989 INFO L902 garLoopResultBuilder]: At program point L3668(line 3668) the Hoare annotation is: true [2022-11-03 02:11:59,990 INFO L899 garLoopResultBuilder]: For program point L3666(line 3666) no Hoare annotation was computed. [2022-11-03 02:11:59,990 INFO L899 garLoopResultBuilder]: For program point L3668-1(line 3668) no Hoare annotation was computed. [2022-11-03 02:11:59,990 INFO L899 garLoopResultBuilder]: For program point L3662(lines 3662 3687) no Hoare annotation was computed. [2022-11-03 02:11:59,990 INFO L902 garLoopResultBuilder]: At program point L3662-1(lines 3662 3687) the Hoare annotation is: true [2022-11-03 02:11:59,990 INFO L899 garLoopResultBuilder]: For program point pt_probeFINAL(lines 3656 3690) no Hoare annotation was computed. [2022-11-03 02:11:59,990 INFO L899 garLoopResultBuilder]: For program point L3683-1(line 3683) no Hoare annotation was computed. [2022-11-03 02:11:59,990 INFO L902 garLoopResultBuilder]: At program point L3683(line 3683) the Hoare annotation is: true [2022-11-03 02:11:59,991 INFO L902 garLoopResultBuilder]: At program point L3342(line 3342) the Hoare annotation is: true [2022-11-03 02:11:59,991 INFO L899 garLoopResultBuilder]: For program point L3342-1(line 3342) no Hoare annotation was computed. [2022-11-03 02:11:59,991 INFO L899 garLoopResultBuilder]: For program point pt_rewindEXIT(lines 3327 3345) no Hoare annotation was computed. [2022-11-03 02:11:59,991 INFO L902 garLoopResultBuilder]: At program point pt_rewindENTRY(lines 3327 3345) the Hoare annotation is: true [2022-11-03 02:11:59,991 INFO L899 garLoopResultBuilder]: For program point pt_rewindFINAL(lines 3327 3345) no Hoare annotation was computed. [2022-11-03 02:11:59,991 INFO L895 garLoopResultBuilder]: At program point L3233(lines 3233 3249) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (= (bvadd pt_atapi_~r~3 (_ bv1 32)) (_ bv0 32))) (.cse2 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse3 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse4 (= pt_atapi_~r~3 (_ bv0 32))) (.cse5 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse6 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse5 .cse6))) [2022-11-03 02:11:59,992 INFO L899 garLoopResultBuilder]: For program point L3254(lines 3254 3257) no Hoare annotation was computed. [2022-11-03 02:11:59,992 INFO L899 garLoopResultBuilder]: For program point L3250-1(lines 3231 3259) no Hoare annotation was computed. [2022-11-03 02:11:59,992 INFO L895 garLoopResultBuilder]: At program point L3246(lines 3231 3259) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (= (bvadd pt_atapi_~r~3 (_ bv1 32)) (_ bv0 32))) (.cse2 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse3 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse4 (= pt_atapi_~r~3 (_ bv0 32))) (.cse5 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse6 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse5 .cse6))) [2022-11-03 02:11:59,992 INFO L895 garLoopResultBuilder]: At program point L3244(lines 3235 3249) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse2 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse4 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse3 .cse4))) [2022-11-03 02:11:59,992 INFO L902 garLoopResultBuilder]: At program point L3232(line 3232) the Hoare annotation is: true [2022-11-03 02:11:59,993 INFO L899 garLoopResultBuilder]: For program point L3232-1(line 3232) no Hoare annotation was computed. [2022-11-03 02:11:59,993 INFO L895 garLoopResultBuilder]: At program point L3255(line 3255) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (not (= pt_atapi_~r~3 (_ bv0 32)))) (.cse2 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse3 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse4 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse5 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse4 .cse5))) [2022-11-03 02:11:59,993 INFO L899 garLoopResultBuilder]: For program point L3251-1(line 3251) no Hoare annotation was computed. [2022-11-03 02:11:59,993 INFO L895 garLoopResultBuilder]: At program point L3251(line 3251) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse2 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse3 (= pt_atapi_~r~3 (_ bv0 32))) (.cse4 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse5 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse4 .cse5))) [2022-11-03 02:11:59,993 INFO L899 garLoopResultBuilder]: For program point pt_atapiEXIT(lines 3227 3260) no Hoare annotation was computed. [2022-11-03 02:11:59,994 INFO L902 garLoopResultBuilder]: At program point pt_atapiENTRY(lines 3227 3260) the Hoare annotation is: true [2022-11-03 02:11:59,994 INFO L899 garLoopResultBuilder]: For program point L3243(lines 3243 3247) no Hoare annotation was computed. [2022-11-03 02:11:59,994 INFO L899 garLoopResultBuilder]: For program point pt_atapiFINAL(lines 3227 3260) no Hoare annotation was computed. [2022-11-03 02:11:59,994 INFO L895 garLoopResultBuilder]: At program point L3239(lines 3235 3249) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse2 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse4 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse3 .cse4))) [2022-11-03 02:11:59,994 INFO L902 garLoopResultBuilder]: At program point L3297(lines 3274 3311) the Hoare annotation is: true [2022-11-03 02:11:59,994 INFO L902 garLoopResultBuilder]: At program point L3295(lines 3274 3311) the Hoare annotation is: true [2022-11-03 02:11:59,995 INFO L902 garLoopResultBuilder]: At program point L3293(lines 3274 3311) the Hoare annotation is: true [2022-11-03 02:11:59,995 INFO L899 garLoopResultBuilder]: For program point L3287-1(line 3287) no Hoare annotation was computed. [2022-11-03 02:11:59,995 INFO L902 garLoopResultBuilder]: At program point L3287(line 3287) the Hoare annotation is: true [2022-11-03 02:11:59,995 INFO L902 garLoopResultBuilder]: At program point L3285-1(line 3285) the Hoare annotation is: true [2022-11-03 02:11:59,995 INFO L902 garLoopResultBuilder]: At program point L3285(line 3285) the Hoare annotation is: true [2022-11-03 02:11:59,995 INFO L902 garLoopResultBuilder]: At program point L3283-1(line 3283) the Hoare annotation is: true [2022-11-03 02:11:59,996 INFO L902 garLoopResultBuilder]: At program point L3283(line 3283) the Hoare annotation is: true [2022-11-03 02:11:59,996 INFO L902 garLoopResultBuilder]: At program point pt_poll_dscENTRY(lines 3268 3312) the Hoare annotation is: true [2022-11-03 02:11:59,996 INFO L899 garLoopResultBuilder]: For program point L3281(line 3281) no Hoare annotation was computed. [2022-11-03 02:11:59,996 INFO L899 garLoopResultBuilder]: For program point pt_poll_dscEXIT(lines 3268 3312) no Hoare annotation was computed. [2022-11-03 02:11:59,996 INFO L899 garLoopResultBuilder]: For program point L3306(line 3306) no Hoare annotation was computed. [2022-11-03 02:11:59,996 INFO L902 garLoopResultBuilder]: At program point L3288(line 3288) the Hoare annotation is: true [2022-11-03 02:11:59,996 INFO L899 garLoopResultBuilder]: For program point pt_poll_dscFINAL(lines 3268 3312) no Hoare annotation was computed. [2022-11-03 02:11:59,997 INFO L899 garLoopResultBuilder]: For program point L3286(line 3286) no Hoare annotation was computed. [2022-11-03 02:11:59,997 INFO L899 garLoopResultBuilder]: For program point L3288-1(lines 3274 3311) no Hoare annotation was computed. [2022-11-03 02:11:59,997 INFO L899 garLoopResultBuilder]: For program point L3284(line 3284) no Hoare annotation was computed. [2022-11-03 02:11:59,997 INFO L899 garLoopResultBuilder]: For program point L3301(lines 3301 3305) no Hoare annotation was computed. [2022-11-03 02:11:59,997 INFO L902 garLoopResultBuilder]: At program point L3301-2(lines 3301 3305) the Hoare annotation is: true [2022-11-03 02:11:59,997 INFO L899 garLoopResultBuilder]: For program point ldv_mutex_unlock_pt_mutexFINAL(lines 5032 5042) no Hoare annotation was computed. [2022-11-03 02:11:59,997 INFO L899 garLoopResultBuilder]: For program point L5035(lines 5035 5038) no Hoare annotation was computed. [2022-11-03 02:11:59,998 INFO L895 garLoopResultBuilder]: At program point L5037(line 5037) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 (_ bv1 32))) (not (= ~ldv_retval_pt_init~0 (_ bv0 32))) (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32))) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32))) (not (= (_ bv2 32) |old(~ldv_mutex_pt_mutex~0)|)) (not (= ~disable~0 (_ bv0 32)))) [2022-11-03 02:11:59,998 INFO L899 garLoopResultBuilder]: For program point L5037-1(lines 5035 5038) no Hoare annotation was computed. [2022-11-03 02:11:59,998 INFO L895 garLoopResultBuilder]: At program point ldv_mutex_unlock_pt_mutexENTRY(lines 5032 5042) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 (_ bv1 32))) (not (= ~ldv_retval_pt_init~0 (_ bv0 32))) (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32))) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32))) (not (= (_ bv2 32) |old(~ldv_mutex_pt_mutex~0)|)) (not (= ~disable~0 (_ bv0 32)))) [2022-11-03 02:11:59,998 INFO L899 garLoopResultBuilder]: For program point ldv_mutex_unlock_pt_mutexEXIT(lines 5032 5042) no Hoare annotation was computed. [2022-11-03 02:11:59,998 INFO L902 garLoopResultBuilder]: At program point L3545(lines 3534 3549) the Hoare annotation is: true [2022-11-03 02:11:59,998 INFO L902 garLoopResultBuilder]: At program point L3543(lines 3534 3549) the Hoare annotation is: true [2022-11-03 02:11:59,999 INFO L899 garLoopResultBuilder]: For program point xnEXIT(lines 3531 3550) no Hoare annotation was computed. [2022-11-03 02:11:59,999 INFO L902 garLoopResultBuilder]: At program point L3541(lines 3534 3549) the Hoare annotation is: true [2022-11-03 02:11:59,999 INFO L902 garLoopResultBuilder]: At program point xnENTRY(lines 3531 3550) the Hoare annotation is: true [2022-11-03 02:11:59,999 INFO L899 garLoopResultBuilder]: For program point xnFINAL(lines 3531 3550) no Hoare annotation was computed. [2022-11-03 02:11:59,999 INFO L902 garLoopResultBuilder]: At program point mutex_lockENTRY(lines 5108 5110) the Hoare annotation is: true [2022-11-03 02:11:59,999 INFO L899 garLoopResultBuilder]: For program point mutex_lockFINAL(lines 5108 5110) no Hoare annotation was computed. [2022-11-03 02:12:00,000 INFO L899 garLoopResultBuilder]: For program point mutex_lockEXIT(lines 5108 5110) no Hoare annotation was computed. [2022-11-03 02:12:00,000 INFO L899 garLoopResultBuilder]: For program point _copy_from_userEXIT(lines 5089 5091) no Hoare annotation was computed. [2022-11-03 02:12:00,000 INFO L902 garLoopResultBuilder]: At program point _copy_from_userENTRY(lines 5089 5091) the Hoare annotation is: true [2022-11-03 02:12:00,000 INFO L899 garLoopResultBuilder]: For program point _copy_from_userFINAL(lines 5089 5091) no Hoare annotation was computed. [2022-11-03 02:12:00,000 INFO L902 garLoopResultBuilder]: At program point L3192(line 3192) the Hoare annotation is: true [2022-11-03 02:12:00,000 INFO L899 garLoopResultBuilder]: For program point L3192-1(line 3192) no Hoare annotation was computed. [2022-11-03 02:12:00,000 INFO L899 garLoopResultBuilder]: For program point L3215(lines 3215 3223) no Hoare annotation was computed. [2022-11-03 02:12:00,001 INFO L899 garLoopResultBuilder]: For program point L3215-2(lines 3215 3223) no Hoare annotation was computed. [2022-11-03 02:12:00,001 INFO L899 garLoopResultBuilder]: For program point L3211-1(line 3211) no Hoare annotation was computed. [2022-11-03 02:12:00,001 INFO L902 garLoopResultBuilder]: At program point L3211(line 3211) the Hoare annotation is: true [2022-11-03 02:12:00,001 INFO L899 garLoopResultBuilder]: For program point pt_req_senseEXIT(lines 3173 3226) no Hoare annotation was computed. [2022-11-03 02:12:00,001 INFO L899 garLoopResultBuilder]: For program point L3203(lines 3203 3207) no Hoare annotation was computed. [2022-11-03 02:12:00,001 INFO L895 garLoopResultBuilder]: At program point L3199(lines 3195 3209) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse2 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse4 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse3 .cse4))) [2022-11-03 02:12:00,002 INFO L902 garLoopResultBuilder]: At program point L3193(lines 3193 3209) the Hoare annotation is: true [2022-11-03 02:12:00,002 INFO L902 garLoopResultBuilder]: At program point pt_req_senseENTRY(lines 3173 3226) the Hoare annotation is: true [2022-11-03 02:12:00,002 INFO L899 garLoopResultBuilder]: For program point L3216(lines 3216 3220) no Hoare annotation was computed. [2022-11-03 02:12:00,002 INFO L899 garLoopResultBuilder]: For program point L3216-2(lines 3216 3220) no Hoare annotation was computed. [2022-11-03 02:12:00,002 INFO L899 garLoopResultBuilder]: For program point pt_req_senseFINAL(lines 3173 3226) no Hoare annotation was computed. [2022-11-03 02:12:00,002 INFO L899 garLoopResultBuilder]: For program point L3210-1(lines 3210 3213) no Hoare annotation was computed. [2022-11-03 02:12:00,002 INFO L902 garLoopResultBuilder]: At program point L3206(lines 3179 3225) the Hoare annotation is: true [2022-11-03 02:12:00,003 INFO L895 garLoopResultBuilder]: At program point L3204(lines 3195 3209) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 (_ bv1 32)))) (.cse1 (not (= ~ldv_retval_pt_init~0 (_ bv0 32)))) (.cse2 (not (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)))) (.cse3 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)))) (.cse4 (not (= ~disable~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2 (not (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) .cse3 .cse4))) [2022-11-03 02:12:00,003 INFO L895 garLoopResultBuilder]: At program point L3966(lines 3905 4053) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,003 INFO L899 garLoopResultBuilder]: For program point L5056(lines 5056 5059) no Hoare annotation was computed. [2022-11-03 02:12:00,003 INFO L899 garLoopResultBuilder]: For program point L3834(lines 3834 3858) no Hoare annotation was computed. [2022-11-03 02:12:00,003 INFO L899 garLoopResultBuilder]: For program point L3867(lines 3867 3870) no Hoare annotation was computed. [2022-11-03 02:12:00,003 INFO L899 garLoopResultBuilder]: For program point L4429(lines 4429 4455) no Hoare annotation was computed. [2022-11-03 02:12:00,004 INFO L899 garLoopResultBuilder]: For program point L5156(lines 5156 5158) no Hoare annotation was computed. [2022-11-03 02:12:00,004 INFO L895 garLoopResultBuilder]: At program point L4000(line 4000) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,004 INFO L895 garLoopResultBuilder]: At program point L4033(lines 3905 4053) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,004 INFO L899 garLoopResultBuilder]: For program point L4000-1(line 4000) no Hoare annotation was computed. [2022-11-03 02:12:00,004 INFO L899 garLoopResultBuilder]: For program point L3835(line 3835) no Hoare annotation was computed. [2022-11-03 02:12:00,004 INFO L895 garLoopResultBuilder]: At program point L3736(lines 3701 3767) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,005 INFO L899 garLoopResultBuilder]: For program point L3835-2(line 3835) no Hoare annotation was computed. [2022-11-03 02:12:00,005 INFO L895 garLoopResultBuilder]: At program point L4463(lines 4362 4468) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,005 INFO L899 garLoopResultBuilder]: For program point L4430(line 4430) no Hoare annotation was computed. [2022-11-03 02:12:00,005 INFO L895 garLoopResultBuilder]: At program point L5058(line 5058) the Hoare annotation is: false [2022-11-03 02:12:00,005 INFO L895 garLoopResultBuilder]: At program point L2944(lines 2940 2946) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-11-03 02:12:00,005 INFO L899 garLoopResultBuilder]: For program point L5058-1(lines 5055 5073) no Hoare annotation was computed. [2022-11-03 02:12:00,006 INFO L895 garLoopResultBuilder]: At program point L3836(line 3836) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,006 INFO L899 garLoopResultBuilder]: For program point L3836-1(line 3836) no Hoare annotation was computed. [2022-11-03 02:12:00,006 INFO L899 garLoopResultBuilder]: For program point L4431(lines 4431 4436) no Hoare annotation was computed. [2022-11-03 02:12:00,006 INFO L895 garLoopResultBuilder]: At program point L4299(lines 4237 4302) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,006 INFO L899 garLoopResultBuilder]: For program point L4002(lines 4002 4007) no Hoare annotation was computed. [2022-11-03 02:12:00,006 INFO L895 garLoopResultBuilder]: At program point L4035(lines 3905 4053) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,007 INFO L895 garLoopResultBuilder]: At program point L3804(line 3804) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-11-03 02:12:00,007 INFO L899 garLoopResultBuilder]: For program point L3837(lines 3837 3840) no Hoare annotation was computed. [2022-11-03 02:12:00,007 INFO L895 garLoopResultBuilder]: At program point L3738(lines 3701 3767) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,007 INFO L899 garLoopResultBuilder]: For program point L3804-1(line 3804) no Hoare annotation was computed. [2022-11-03 02:12:00,007 INFO L895 garLoopResultBuilder]: At program point L4333(lines 4306 4341) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= (_ bv0 32) ~ldv_state_variable_1~0) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,008 INFO L899 garLoopResultBuilder]: For program point L4003-1(line 4003) no Hoare annotation was computed. [2022-11-03 02:12:00,008 INFO L895 garLoopResultBuilder]: At program point L4003(line 4003) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,008 INFO L895 garLoopResultBuilder]: At program point L2814(lines 2811 2816) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,008 INFO L899 garLoopResultBuilder]: For program point L3871-1(lines 3871 3874) no Hoare annotation was computed. [2022-11-03 02:12:00,008 INFO L899 garLoopResultBuilder]: For program point L3871(lines 3871 3874) no Hoare annotation was computed. [2022-11-03 02:12:00,008 INFO L899 garLoopResultBuilder]: For program point L3805(lines 3805 3808) no Hoare annotation was computed. [2022-11-03 02:12:00,008 INFO L899 garLoopResultBuilder]: For program point L3805-2(lines 3805 3808) no Hoare annotation was computed. [2022-11-03 02:12:00,009 INFO L895 garLoopResultBuilder]: At program point L4565(line 4565) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,009 INFO L895 garLoopResultBuilder]: At program point L4565-1(line 4565) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-11-03 02:12:00,009 INFO L899 garLoopResultBuilder]: For program point L4400(line 4400) no Hoare annotation was computed. [2022-11-03 02:12:00,009 INFO L895 garLoopResultBuilder]: At program point L4301(lines 4229 4303) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,009 INFO L895 garLoopResultBuilder]: At program point L5094(lines 5093 5095) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,010 INFO L899 garLoopResultBuilder]: For program point L3971-1(line 3971) no Hoare annotation was computed. [2022-11-03 02:12:00,010 INFO L895 garLoopResultBuilder]: At program point L3971(line 3971) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,010 INFO L895 garLoopResultBuilder]: At program point L3872(line 3872) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,010 INFO L895 garLoopResultBuilder]: At program point L3740(lines 3701 3767) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (bvsle |ULTIMATE.start_pt_detect_~unit~0#1| (_ bv3 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,010 INFO L895 garLoopResultBuilder]: At program point L4566(lines 4562 4569) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-11-03 02:12:00,011 INFO L902 garLoopResultBuilder]: At program point L4467(lines 4358 4469) the Hoare annotation is: true [2022-11-03 02:12:00,011 INFO L895 garLoopResultBuilder]: At program point L4533(line 4533) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,011 INFO L895 garLoopResultBuilder]: At program point L4533-1(line 4533) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-11-03 02:12:00,011 INFO L899 garLoopResultBuilder]: For program point L4401-2(lines 4373 4421) no Hoare annotation was computed. [2022-11-03 02:12:00,011 INFO L895 garLoopResultBuilder]: At program point L4335(lines 4306 4341) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= (_ bv0 32) ~ldv_state_variable_1~0) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,011 INFO L899 garLoopResultBuilder]: For program point L4401(lines 4401 4405) no Hoare annotation was computed. [2022-11-03 02:12:00,012 INFO L895 garLoopResultBuilder]: At program point L5062(line 5062) the Hoare annotation is: false [2022-11-03 02:12:00,012 INFO L899 garLoopResultBuilder]: For program point L5062-1(lines 5055 5073) no Hoare annotation was computed. [2022-11-03 02:12:00,012 INFO L899 garLoopResultBuilder]: For program point L3939(line 3939) no Hoare annotation was computed. [2022-11-03 02:12:00,012 INFO L895 garLoopResultBuilder]: At program point L4534(lines 4530 4537) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-11-03 02:12:00,012 INFO L895 garLoopResultBuilder]: At program point L4402(line 4402) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,012 INFO L899 garLoopResultBuilder]: For program point L4402-1(line 4402) no Hoare annotation was computed. [2022-11-03 02:12:00,012 INFO L899 garLoopResultBuilder]: For program point L4369(lines 4369 4462) no Hoare annotation was computed. [2022-11-03 02:12:00,013 INFO L899 garLoopResultBuilder]: For program point L3940(lines 3940 3943) no Hoare annotation was computed. [2022-11-03 02:12:00,013 INFO L899 garLoopResultBuilder]: For program point L3841(lines 3841 3855) no Hoare annotation was computed. [2022-11-03 02:12:00,013 INFO L895 garLoopResultBuilder]: At program point L3742(lines 3701 3767) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,013 INFO L899 garLoopResultBuilder]: For program point L4370(line 4370) no Hoare annotation was computed. [2022-11-03 02:12:00,013 INFO L899 garLoopResultBuilder]: For program point L4238(lines 4238 4242) no Hoare annotation was computed. [2022-11-03 02:12:00,013 INFO L895 garLoopResultBuilder]: At program point L4337(lines 4304 4342) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= (_ bv0 32) ~ldv_state_variable_1~0) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,014 INFO L899 garLoopResultBuilder]: For program point L4040(line 4040) no Hoare annotation was computed. [2022-11-03 02:12:00,014 INFO L895 garLoopResultBuilder]: At program point L5097(lines 5096 5098) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,014 INFO L899 garLoopResultBuilder]: For program point L3875-1(lines 3875 3878) no Hoare annotation was computed. [2022-11-03 02:12:00,014 INFO L899 garLoopResultBuilder]: For program point L3842(line 3842) no Hoare annotation was computed. [2022-11-03 02:12:00,014 INFO L899 garLoopResultBuilder]: For program point L3875(lines 3875 3878) no Hoare annotation was computed. [2022-11-03 02:12:00,014 INFO L895 garLoopResultBuilder]: At program point L4602(lines 4594 4604) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,015 INFO L899 garLoopResultBuilder]: For program point L4371(lines 4371 4424) no Hoare annotation was computed. [2022-11-03 02:12:00,015 INFO L899 garLoopResultBuilder]: For program point L4041(lines 4041 4044) no Hoare annotation was computed. [2022-11-03 02:12:00,015 INFO L895 garLoopResultBuilder]: At program point L3876(line 3876) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,015 INFO L899 garLoopResultBuilder]: For program point L4438(line 4438) no Hoare annotation was computed. [2022-11-03 02:12:00,015 INFO L895 garLoopResultBuilder]: At program point L5066(line 5066) the Hoare annotation is: false [2022-11-03 02:12:00,015 INFO L899 garLoopResultBuilder]: For program point L5066-1(lines 5055 5073) no Hoare annotation was computed. [2022-11-03 02:12:00,015 INFO L895 garLoopResultBuilder]: At program point L3976-1(lines 3976 3980) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,016 INFO L895 garLoopResultBuilder]: At program point L3844(line 3844) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-11-03 02:12:00,016 INFO L895 garLoopResultBuilder]: At program point L3778(line 3778) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,016 INFO L899 garLoopResultBuilder]: For program point L3844-1(line 3844) no Hoare annotation was computed. [2022-11-03 02:12:00,016 INFO L899 garLoopResultBuilder]: For program point L3778-1(line 3778) no Hoare annotation was computed. [2022-11-03 02:12:00,016 INFO L899 garLoopResultBuilder]: For program point L3745(lines 3701 3767) no Hoare annotation was computed. [2022-11-03 02:12:00,016 INFO L899 garLoopResultBuilder]: For program point L4439(lines 4439 4451) no Hoare annotation was computed. [2022-11-03 02:12:00,017 INFO L899 garLoopResultBuilder]: For program point L4274(lines 4274 4279) no Hoare annotation was computed. [2022-11-03 02:12:00,017 INFO L899 garLoopResultBuilder]: For program point L4373(lines 4373 4421) no Hoare annotation was computed. [2022-11-03 02:12:00,017 INFO L899 garLoopResultBuilder]: For program point L3812(lines 3812 3816) no Hoare annotation was computed. [2022-11-03 02:12:00,017 INFO L895 garLoopResultBuilder]: At program point L2821(lines 2817 2823) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (bvsle |ULTIMATE.start_pt_detect_~unit~0#1| (_ bv3 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,017 INFO L895 garLoopResultBuilder]: At program point L4407(line 4407) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,017 INFO L899 garLoopResultBuilder]: For program point L4374(line 4374) no Hoare annotation was computed. [2022-11-03 02:12:00,017 INFO L899 garLoopResultBuilder]: For program point L4407-1(line 4407) no Hoare annotation was computed. [2022-11-03 02:12:00,018 INFO L899 garLoopResultBuilder]: For program point L4011(lines 4011 4014) no Hoare annotation was computed. [2022-11-03 02:12:00,018 INFO L899 garLoopResultBuilder]: For program point L3945(lines 3945 3948) no Hoare annotation was computed. [2022-11-03 02:12:00,018 INFO L899 garLoopResultBuilder]: For program point L4011-2(lines 4011 4014) no Hoare annotation was computed. [2022-11-03 02:12:00,018 INFO L899 garLoopResultBuilder]: For program point L3945-2(lines 3945 3948) no Hoare annotation was computed. [2022-11-03 02:12:00,018 INFO L899 garLoopResultBuilder]: For program point L3747-1(lines 3747 3748) no Hoare annotation was computed. [2022-11-03 02:12:00,018 INFO L895 garLoopResultBuilder]: At program point L3747(lines 3747 3748) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= |ULTIMATE.start_pt_detect_~specified~0#1| (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,019 INFO L895 garLoopResultBuilder]: At program point L4573(line 4573) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-11-03 02:12:00,019 INFO L895 garLoopResultBuilder]: At program point L4573-1(line 4573) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,019 INFO L899 garLoopResultBuilder]: For program point L4375(lines 4375 4380) no Hoare annotation was computed. [2022-11-03 02:12:00,019 INFO L899 garLoopResultBuilder]: For program point L4441-2(lines 4439 4450) no Hoare annotation was computed. [2022-11-03 02:12:00,019 INFO L899 garLoopResultBuilder]: For program point L4441(lines 4441 4444) no Hoare annotation was computed. [2022-11-03 02:12:00,019 INFO L895 garLoopResultBuilder]: At program point L4045(lines 3905 4053) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,019 INFO L895 garLoopResultBuilder]: At program point L3814(lines 3777 3824) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-11-03 02:12:00,019 INFO L899 garLoopResultBuilder]: For program point L3847(line 3847) no Hoare annotation was computed. [2022-11-03 02:12:00,019 INFO L895 garLoopResultBuilder]: At program point L4574(lines 4570 4577) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,020 INFO L895 garLoopResultBuilder]: At program point L4541(line 4541) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-11-03 02:12:00,020 INFO L895 garLoopResultBuilder]: At program point L4541-1(line 4541) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,020 INFO L899 garLoopResultBuilder]: For program point L4310(lines 4310 4314) no Hoare annotation was computed. [2022-11-03 02:12:00,020 INFO L899 garLoopResultBuilder]: For program point L4310-1(lines 4310 4314) no Hoare annotation was computed. [2022-11-03 02:12:00,020 INFO L895 garLoopResultBuilder]: At program point L4277(lines 4237 4302) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,020 INFO L899 garLoopResultBuilder]: For program point L4244(lines 4244 4248) no Hoare annotation was computed. [2022-11-03 02:12:00,020 INFO L895 garLoopResultBuilder]: At program point L5070(line 5070) the Hoare annotation is: false [2022-11-03 02:12:00,020 INFO L902 garLoopResultBuilder]: At program point L5070-1(lines 5053 5074) the Hoare annotation is: true [2022-11-03 02:12:00,020 INFO L899 garLoopResultBuilder]: For program point L3881-1(line 3881) no Hoare annotation was computed. [2022-11-03 02:12:00,020 INFO L895 garLoopResultBuilder]: At program point L3881(line 3881) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,020 INFO L899 garLoopResultBuilder]: For program point L3782(line 3782) no Hoare annotation was computed. [2022-11-03 02:12:00,021 INFO L899 garLoopResultBuilder]: For program point L3782-2(lines 3782 3786) no Hoare annotation was computed. [2022-11-03 02:12:00,021 INFO L899 garLoopResultBuilder]: For program point L3749(lines 3749 3758) no Hoare annotation was computed. [2022-11-03 02:12:00,021 INFO L895 garLoopResultBuilder]: At program point L4542(lines 4538 4545) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,021 INFO L895 garLoopResultBuilder]: At program point L4311(line 4311) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,021 INFO L895 garLoopResultBuilder]: At program point L4311-1(line 4311) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,021 INFO L895 garLoopResultBuilder]: At program point L2990(line 2990) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,021 INFO L895 garLoopResultBuilder]: At program point L4047(lines 3905 4053) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,021 INFO L899 garLoopResultBuilder]: For program point L3981(line 3981) no Hoare annotation was computed. [2022-11-03 02:12:00,022 INFO L899 garLoopResultBuilder]: For program point L2990-1(line 2990) no Hoare annotation was computed. [2022-11-03 02:12:00,022 INFO L895 garLoopResultBuilder]: At program point L3882(lines 3861 3884) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,022 INFO L899 garLoopResultBuilder]: For program point L3849-1(line 3849) no Hoare annotation was computed. [2022-11-03 02:12:00,022 INFO L895 garLoopResultBuilder]: At program point L3849(line 3849) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-11-03 02:12:00,022 INFO L895 garLoopResultBuilder]: At program point L3750(line 3750) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= |ULTIMATE.start_pt_detect_~specified~0#1| (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,022 INFO L899 garLoopResultBuilder]: For program point L3750-1(line 3750) no Hoare annotation was computed. [2022-11-03 02:12:00,023 INFO L899 garLoopResultBuilder]: For program point L3982(lines 3982 3987) no Hoare annotation was computed. [2022-11-03 02:12:00,023 INFO L899 garLoopResultBuilder]: For program point L4015-1(line 4015) no Hoare annotation was computed. [2022-11-03 02:12:00,023 INFO L895 garLoopResultBuilder]: At program point L4015(line 4015) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,023 INFO L899 garLoopResultBuilder]: For program point L3718(lines 3718 3721) no Hoare annotation was computed. [2022-11-03 02:12:00,023 INFO L899 garLoopResultBuilder]: For program point L3751(lines 3751 3756) no Hoare annotation was computed. [2022-11-03 02:12:00,023 INFO L899 garLoopResultBuilder]: For program point L4412(line 4412) no Hoare annotation was computed. [2022-11-03 02:12:00,023 INFO L895 garLoopResultBuilder]: At program point L2992(lines 2987 2994) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,023 INFO L895 garLoopResultBuilder]: At program point L4049(lines 3905 4053) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,023 INFO L895 garLoopResultBuilder]: At program point L3983-1(line 3983) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,024 INFO L895 garLoopResultBuilder]: At program point L3983(line 3983) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,024 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-03 02:12:00,024 INFO L899 garLoopResultBuilder]: For program point L4413(lines 4413 4417) no Hoare annotation was computed. [2022-11-03 02:12:00,024 INFO L899 garLoopResultBuilder]: For program point L3984(line 3984) no Hoare annotation was computed. [2022-11-03 02:12:00,024 INFO L899 garLoopResultBuilder]: For program point L3852(line 3852) no Hoare annotation was computed. [2022-11-03 02:12:00,024 INFO L895 garLoopResultBuilder]: At program point L4447(lines 4362 4468) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,024 INFO L899 garLoopResultBuilder]: For program point L4018(lines 4018 4021) no Hoare annotation was computed. [2022-11-03 02:12:00,024 INFO L895 garLoopResultBuilder]: At program point L3952(line 3952) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,024 INFO L899 garLoopResultBuilder]: For program point L4018-2(lines 4018 4021) no Hoare annotation was computed. [2022-11-03 02:12:00,024 INFO L899 garLoopResultBuilder]: For program point L3952-1(line 3952) no Hoare annotation was computed. [2022-11-03 02:12:00,024 INFO L899 garLoopResultBuilder]: For program point L4382(line 4382) no Hoare annotation was computed. [2022-11-03 02:12:00,024 INFO L899 garLoopResultBuilder]: For program point L4283(lines 4283 4288) no Hoare annotation was computed. [2022-11-03 02:12:00,025 INFO L899 garLoopResultBuilder]: For program point L4250(lines 4250 4269) no Hoare annotation was computed. [2022-11-03 02:12:00,025 INFO L895 garLoopResultBuilder]: At program point L4316(lines 4306 4341) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,025 INFO L899 garLoopResultBuilder]: For program point L4283-2(lines 4283 4288) no Hoare annotation was computed. [2022-11-03 02:12:00,025 INFO L895 garLoopResultBuilder]: At program point L4052(lines 3885 4054) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,025 INFO L899 garLoopResultBuilder]: For program point L5076-1(line 5076) no Hoare annotation was computed. [2022-11-03 02:12:00,025 INFO L895 garLoopResultBuilder]: At program point L5076-2(lines 5075 5077) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,025 INFO L895 garLoopResultBuilder]: At program point L5076(line 5076) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,025 INFO L899 garLoopResultBuilder]: For program point L3920(lines 3920 3931) no Hoare annotation was computed. [2022-11-03 02:12:00,025 INFO L895 garLoopResultBuilder]: At program point L3953(lines 3953 3969) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,025 INFO L899 garLoopResultBuilder]: For program point L3920-2(lines 3920 3931) no Hoare annotation was computed. [2022-11-03 02:12:00,025 INFO L899 garLoopResultBuilder]: For program point L3821(line 3821) no Hoare annotation was computed. [2022-11-03 02:12:00,026 INFO L899 garLoopResultBuilder]: For program point L3755-1(line 3755) no Hoare annotation was computed. [2022-11-03 02:12:00,026 INFO L895 garLoopResultBuilder]: At program point L3755(line 3755) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (not (= |ULTIMATE.start_pt_detect_~tmp___1~6#1| (_ bv0 32))) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= |ULTIMATE.start_pt_detect_~specified~0#1| (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,026 INFO L895 garLoopResultBuilder]: At program point L4581(line 4581) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,026 INFO L895 garLoopResultBuilder]: At program point L4581-1(line 4581) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-11-03 02:12:00,026 INFO L899 garLoopResultBuilder]: For program point L4383(lines 4383 4391) no Hoare annotation was computed. [2022-11-03 02:12:00,026 INFO L899 garLoopResultBuilder]: For program point L3789(lines 3789 3792) no Hoare annotation was computed. [2022-11-03 02:12:00,026 INFO L899 garLoopResultBuilder]: For program point L3723-1(lines 3723 3725) no Hoare annotation was computed. [2022-11-03 02:12:00,026 INFO L895 garLoopResultBuilder]: At program point L3723(lines 3723 3725) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,026 INFO L895 garLoopResultBuilder]: At program point L4582(lines 4578 4585) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-11-03 02:12:00,026 INFO L895 garLoopResultBuilder]: At program point L4549(line 4549) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-11-03 02:12:00,027 INFO L895 garLoopResultBuilder]: At program point L4549-1(line 4549) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,027 INFO L895 garLoopResultBuilder]: At program point L4318(lines 4306 4341) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,027 INFO L899 garLoopResultBuilder]: For program point L3988(lines 3988 3991) no Hoare annotation was computed. [2022-11-03 02:12:00,027 INFO L895 garLoopResultBuilder]: At program point L3922(line 3922) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,027 INFO L895 garLoopResultBuilder]: At program point L3988-2(lines 3988 3991) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,027 INFO L895 garLoopResultBuilder]: At program point L2898(lines 2893 2900) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,027 INFO L899 garLoopResultBuilder]: For program point L3856(line 3856) no Hoare annotation was computed. [2022-11-03 02:12:00,027 INFO L899 garLoopResultBuilder]: For program point L3922-1(line 3922) no Hoare annotation was computed. [2022-11-03 02:12:00,027 INFO L895 garLoopResultBuilder]: At program point L3823(lines 3769 3825) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,027 INFO L895 garLoopResultBuilder]: At program point L4550(lines 4546 4553) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 02:12:00,028 INFO L899 garLoopResultBuilder]: For program point L4385(lines 4385 4389) no Hoare annotation was computed. [2022-11-03 02:12:00,028 INFO L899 garLoopResultBuilder]: For program point L3923(lines 3923 3926) no Hoare annotation was computed. [2022-11-03 02:12:00,028 INFO L899 garLoopResultBuilder]: For program point L4419(line 4419) no Hoare annotation was computed. [2022-11-03 02:12:00,028 INFO L895 garLoopResultBuilder]: At program point L4320(lines 4306 4341) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,028 INFO L895 garLoopResultBuilder]: At program point L2801(lines 2798 2803) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,028 INFO L899 garLoopResultBuilder]: For program point L3726(lines 3726 3735) no Hoare annotation was computed. [2022-11-03 02:12:00,028 INFO L899 garLoopResultBuilder]: For program point L4453(line 4453) no Hoare annotation was computed. [2022-11-03 02:12:00,028 INFO L899 garLoopResultBuilder]: For program point L4255(lines 4255 4258) no Hoare annotation was computed. [2022-11-03 02:12:00,028 INFO L899 garLoopResultBuilder]: For program point L4255-2(lines 4255 4258) no Hoare annotation was computed. [2022-11-03 02:12:00,028 INFO L899 garLoopResultBuilder]: For program point L4024(lines 4024 4028) no Hoare annotation was computed. [2022-11-03 02:12:00,028 INFO L895 garLoopResultBuilder]: At program point L3826(lines 3826 3860) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,029 INFO L899 garLoopResultBuilder]: For program point L3793-1(line 3793) no Hoare annotation was computed. [2022-11-03 02:12:00,029 INFO L895 garLoopResultBuilder]: At program point L3793(line 3793) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-11-03 02:12:00,029 INFO L899 garLoopResultBuilder]: For program point L3727-1(line 3727) no Hoare annotation was computed. [2022-11-03 02:12:00,029 INFO L895 garLoopResultBuilder]: At program point L3727(line 3727) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,029 INFO L899 garLoopResultBuilder]: For program point L4256-1(line 4256) no Hoare annotation was computed. [2022-11-03 02:12:00,029 INFO L895 garLoopResultBuilder]: At program point L4256(line 4256) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,029 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-03 02:12:00,029 INFO L899 garLoopResultBuilder]: For program point L3992(line 3992) no Hoare annotation was computed. [2022-11-03 02:12:00,029 INFO L899 garLoopResultBuilder]: For program point L4025-1(line 4025) no Hoare annotation was computed. [2022-11-03 02:12:00,029 INFO L895 garLoopResultBuilder]: At program point L4025(line 4025) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,029 INFO L895 garLoopResultBuilder]: At program point L3959(lines 3955 3969) the Hoare annotation is: false [2022-11-03 02:12:00,030 INFO L895 garLoopResultBuilder]: At program point L2836(lines 2831 2838) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-11-03 02:12:00,030 INFO L899 garLoopResultBuilder]: For program point L3728(lines 3728 3733) no Hoare annotation was computed. [2022-11-03 02:12:00,030 INFO L895 garLoopResultBuilder]: At program point L4290(lines 4237 4302) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,030 INFO L895 garLoopResultBuilder]: At program point L5083(lines 5082 5084) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,030 INFO L895 garLoopResultBuilder]: At program point L5050(lines 5043 5052) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= (_ bv0 32) ~ldv_state_variable_1~0) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,030 INFO L899 garLoopResultBuilder]: For program point L3993(lines 3993 3996) no Hoare annotation was computed. [2022-11-03 02:12:00,030 INFO L899 garLoopResultBuilder]: For program point L3795(lines 3795 3798) no Hoare annotation was computed. [2022-11-03 02:12:00,030 INFO L899 garLoopResultBuilder]: For program point L4324-1(line 4324) no Hoare annotation was computed. [2022-11-03 02:12:00,031 INFO L895 garLoopResultBuilder]: At program point L4324(line 4324) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,031 INFO L895 garLoopResultBuilder]: At program point L3994(lines 3905 4053) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,031 INFO L899 garLoopResultBuilder]: For program point L2937-1(line 2937) no Hoare annotation was computed. [2022-11-03 02:12:00,031 INFO L899 garLoopResultBuilder]: For program point L3928(lines 3928 3931) no Hoare annotation was computed. [2022-11-03 02:12:00,031 INFO L895 garLoopResultBuilder]: At program point L2937(line 2937) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-11-03 02:12:00,031 INFO L895 garLoopResultBuilder]: At program point L2937-2(lines 2935 2938) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-11-03 02:12:00,031 INFO L895 garLoopResultBuilder]: At program point L4589(line 4589) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-11-03 02:12:00,031 INFO L895 garLoopResultBuilder]: At program point L4589-1(line 4589) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,031 INFO L895 garLoopResultBuilder]: At program point L4292(lines 4237 4302) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,031 INFO L895 garLoopResultBuilder]: At program point L4590(lines 4586 4593) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,032 INFO L895 garLoopResultBuilder]: At program point L4557(line 4557) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv2 32))) [2022-11-03 02:12:00,032 INFO L895 garLoopResultBuilder]: At program point L4557-1(line 4557) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,032 INFO L895 garLoopResultBuilder]: At program point L4260(lines 4250 4268) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,032 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-03 02:12:00,032 INFO L899 garLoopResultBuilder]: For program point L3963(lines 3963 3967) no Hoare annotation was computed. [2022-11-03 02:12:00,032 INFO L899 garLoopResultBuilder]: For program point L2807-1(line 2807) no Hoare annotation was computed. [2022-11-03 02:12:00,032 INFO L895 garLoopResultBuilder]: At program point L2807(line 2807) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,032 INFO L895 garLoopResultBuilder]: At program point L3732(line 3732) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32)) (not (= |ULTIMATE.start_pt_detect_~tmp~18#1| (_ bv0 32)))) [2022-11-03 02:12:00,032 INFO L899 garLoopResultBuilder]: For program point L3732-1(line 3732) no Hoare annotation was computed. [2022-11-03 02:12:00,032 INFO L895 garLoopResultBuilder]: At program point L4558(lines 4554 4561) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,033 INFO L899 garLoopResultBuilder]: For program point L4426(line 4426) no Hoare annotation was computed. [2022-11-03 02:12:00,033 INFO L899 garLoopResultBuilder]: For program point L4393(line 4393) no Hoare annotation was computed. [2022-11-03 02:12:00,033 INFO L895 garLoopResultBuilder]: At program point L3964(lines 3955 3969) the Hoare annotation is: false [2022-11-03 02:12:00,033 INFO L899 garLoopResultBuilder]: For program point L3997-1(line 3997) no Hoare annotation was computed. [2022-11-03 02:12:00,033 INFO L895 garLoopResultBuilder]: At program point L3997(line 3997) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,033 INFO L895 garLoopResultBuilder]: At program point L2808(lines 2804 2810) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,033 INFO L895 garLoopResultBuilder]: At program point L3766(lines 3691 3768) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,033 INFO L899 garLoopResultBuilder]: For program point L4427(lines 4427 4458) no Hoare annotation was computed. [2022-11-03 02:12:00,033 INFO L899 garLoopResultBuilder]: For program point L4394(lines 4394 4398) no Hoare annotation was computed. [2022-11-03 02:12:00,033 INFO L899 garLoopResultBuilder]: For program point L4460(line 4460) no Hoare annotation was computed. [2022-11-03 02:12:00,033 INFO L899 garLoopResultBuilder]: For program point L4328-2(lines 4328 4331) no Hoare annotation was computed. [2022-11-03 02:12:00,033 INFO L895 garLoopResultBuilder]: At program point L4262(lines 4250 4268) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,034 INFO L899 garLoopResultBuilder]: For program point L4328(lines 4328 4331) no Hoare annotation was computed. [2022-11-03 02:12:00,034 INFO L895 garLoopResultBuilder]: At program point L3998(line 3998) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,034 INFO L895 garLoopResultBuilder]: At program point L4031(lines 3905 4053) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,034 INFO L899 garLoopResultBuilder]: For program point L3932(lines 3932 3935) no Hoare annotation was computed. [2022-11-03 02:12:00,034 INFO L899 garLoopResultBuilder]: For program point L3998-1(line 3998) no Hoare annotation was computed. [2022-11-03 02:12:00,034 INFO L899 garLoopResultBuilder]: For program point L3800(line 3800) no Hoare annotation was computed. [2022-11-03 02:12:00,034 INFO L899 garLoopResultBuilder]: For program point L3800-2(lines 3800 3803) no Hoare annotation was computed. [2022-11-03 02:12:00,034 INFO L895 garLoopResultBuilder]: At program point L4329(line 4329) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_retval_pt_init~0 (_ bv0 32)) (= (_ bv0 32) ~ldv_state_variable_1~0) (= ~disable~0 (_ bv0 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= ~ldv_mutex_pt_mutex~0 (_ bv1 32))) [2022-11-03 02:12:00,034 INFO L899 garLoopResultBuilder]: For program point L4329-1(line 4329) no Hoare annotation was computed. [2022-11-03 02:12:00,034 INFO L902 garLoopResultBuilder]: At program point L3520(lines 3501 3529) the Hoare annotation is: true [2022-11-03 02:12:00,034 INFO L902 garLoopResultBuilder]: At program point L3518(lines 3501 3529) the Hoare annotation is: true [2022-11-03 02:12:00,035 INFO L899 garLoopResultBuilder]: For program point xsFINAL(lines 3495 3530) no Hoare annotation was computed. [2022-11-03 02:12:00,035 INFO L902 garLoopResultBuilder]: At program point L3516(lines 3501 3529) the Hoare annotation is: true [2022-11-03 02:12:00,035 INFO L902 garLoopResultBuilder]: At program point xsENTRY(lines 3495 3530) the Hoare annotation is: true [2022-11-03 02:12:00,035 INFO L899 garLoopResultBuilder]: For program point L3523-1(lines 3523 3526) no Hoare annotation was computed. [2022-11-03 02:12:00,035 INFO L899 garLoopResultBuilder]: For program point xsEXIT(lines 3495 3530) no Hoare annotation was computed. [2022-11-03 02:12:00,035 INFO L899 garLoopResultBuilder]: For program point L3507(line 3507) no Hoare annotation was computed. [2022-11-03 02:12:00,035 INFO L899 garLoopResultBuilder]: For program point L3507-2(lines 3507 3514) no Hoare annotation was computed. [2022-11-03 02:12:00,035 INFO L899 garLoopResultBuilder]: For program point L3507-4(lines 3507 3514) no Hoare annotation was computed. [2022-11-03 02:12:00,038 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:12:00,040 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:12:00,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:12:00 BoogieIcfgContainer [2022-11-03 02:12:00,080 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:12:00,081 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:12:00,081 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:12:00,081 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:12:00,081 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:02:09" (3/4) ... [2022-11-03 02:12:00,085 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 02:12:00,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2022-11-03 02:12:00,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2022-11-03 02:12:00,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_unregister_chrdev_17 [2022-11-03 02:12:00,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_identify [2022-11-03 02:12:00,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2022-11-03 02:12:00,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2022-11-03 02:12:00,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_inc [2022-11-03 02:12:00,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2022-11-03 02:12:00,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2022-11-03 02:12:00,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2022-11-03 02:12:00,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_command [2022-11-03 02:12:00,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_pt_mutex [2022-11-03 02:12:00,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2022-11-03 02:12:00,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2022-11-03 02:12:00,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DRIVE [2022-11-03 02:12:00,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_wait [2022-11-03 02:12:00,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2022-11-03 02:12:00,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_write [2022-11-03 02:12:00,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-11-03 02:12:00,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2022-11-03 02:12:00,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_completion [2022-11-03 02:12:00,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure device_destroy [2022-11-03 02:12:00,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_block [2022-11-03 02:12:00,095 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2022-11-03 02:12:00,095 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2022-11-03 02:12:00,095 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_sleep [2022-11-03 02:12:00,095 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_probe [2022-11-03 02:12:00,095 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_media_access_cmd [2022-11-03 02:12:00,095 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_write_fm [2022-11-03 02:12:00,095 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_rewind [2022-11-03 02:12:00,096 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-03 02:12:00,096 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure iminor [2022-11-03 02:12:00,096 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_atapi [2022-11-03 02:12:00,096 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_poll_dsc [2022-11-03 02:12:00,096 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_pt_mutex [2022-11-03 02:12:00,096 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure xn [2022-11-03 02:12:00,096 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2022-11-03 02:12:00,096 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2022-11-03 02:12:00,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_req_sense [2022-11-03 02:12:00,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure xs [2022-11-03 02:12:00,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_reset [2022-11-03 02:12:00,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2022-11-03 02:12:00,125 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 280 nodes and edges [2022-11-03 02:12:00,128 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 92 nodes and edges [2022-11-03 02:12:00,131 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2022-11-03 02:12:00,133 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-03 02:12:00,136 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-03 02:12:00,139 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 02:12:00,141 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:12:00,144 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:12:00,320 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:12:00,320 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:12:00,321 INFO L158 Benchmark]: Toolchain (without parser) took 622163.66ms. Allocated memory was 60.8MB in the beginning and 2.8GB in the end (delta: 2.7GB). Free memory was 30.3MB in the beginning and 2.5GB in the end (delta: -2.5GB). Peak memory consumption was 247.2MB. Max. memory is 16.1GB. [2022-11-03 02:12:00,321 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 48.2MB. Free memory was 27.8MB in the beginning and 27.8MB in the end (delta: 23.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:12:00,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1990.26ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 30.1MB in the beginning and 32.1MB in the end (delta: -2.0MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2022-11-03 02:12:00,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 220.35ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 32.1MB in the beginning and 59.2MB in the end (delta: -27.1MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2022-11-03 02:12:00,322 INFO L158 Benchmark]: Boogie Preprocessor took 158.50ms. Allocated memory is still 107.0MB. Free memory was 59.2MB in the beginning and 47.5MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 02:12:00,323 INFO L158 Benchmark]: RCFGBuilder took 28704.52ms. Allocated memory was 107.0MB in the beginning and 197.1MB in the end (delta: 90.2MB). Free memory was 47.1MB in the beginning and 131.6MB in the end (delta: -84.6MB). Peak memory consumption was 95.2MB. Max. memory is 16.1GB. [2022-11-03 02:12:00,323 INFO L158 Benchmark]: TraceAbstraction took 590843.17ms. Allocated memory was 197.1MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 131.6MB in the beginning and 2.6GB in the end (delta: -2.4GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2022-11-03 02:12:00,323 INFO L158 Benchmark]: Witness Printer took 239.96ms. Allocated memory is still 2.8GB. Free memory was 2.6GB in the beginning and 2.5GB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-03 02:12:00,325 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 48.2MB. Free memory was 27.8MB in the beginning and 27.8MB in the end (delta: 23.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1990.26ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 30.1MB in the beginning and 32.1MB in the end (delta: -2.0MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 220.35ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 32.1MB in the beginning and 59.2MB in the end (delta: -27.1MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 158.50ms. Allocated memory is still 107.0MB. Free memory was 59.2MB in the beginning and 47.5MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 28704.52ms. Allocated memory was 107.0MB in the beginning and 197.1MB in the end (delta: 90.2MB). Free memory was 47.1MB in the beginning and 131.6MB in the end (delta: -84.6MB). Peak memory consumption was 95.2MB. Max. memory is 16.1GB. * TraceAbstraction took 590843.17ms. Allocated memory was 197.1MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 131.6MB in the beginning and 2.6GB in the end (delta: -2.4GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * Witness Printer took 239.96ms. Allocated memory is still 2.8GB. Free memory was 2.6GB in the beginning and 2.5GB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. 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: 4617]: 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 43 procedures, 674 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 590.7s, OverallIterations: 27, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 49.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 370.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 13 mSolverCounterUnknown, 9855 SdHoareTripleChecker+Valid, 40.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9370 mSDsluCounter, 90647 SdHoareTripleChecker+Invalid, 39.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62597 mSDsCounter, 149 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 685 IncrementalHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 149 mSolverCounterUnsat, 28050 mSDtfsCounter, 685 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22497 GetRequests, 22313 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 23.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2318occurred in iteration=25, InterpolantAutomatonStates: 130, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.3s AutomataMinimizationTime, 27 MinimizatonAttempts, 4214 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 301 LocationsWithAnnotation, 36481 PreInvPairs, 37436 NumberOfFragments, 3480 HoareAnnotationTreeSize, 36481 FomulaSimplifications, 209318 FormulaSimplificationTreeSizeReduction, 28.5s HoareSimplificationTime, 301 FomulaSimplificationsInter, 1009622 FormulaSimplificationTreeSizeReductionInter, 340.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 7.2s SsaConstructionTime, 38.7s SatisfiabilityAnalysisTime, 71.7s InterpolantComputationTime, 13095 NumberOfCodeBlocks, 13095 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 22490 ConstructedInterpolants, 0 QuantifiedInterpolants, 24097 SizeOfPredicates, 35 NumberOfNonLiveVariables, 90036 ConjunctsInSsa, 178 ConjunctsInUnsatCore, 77 InterpolantComputations, 25 PerfectInterpolantSequences, 57578/57764 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: 4075]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3501]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3885]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4594]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 2940]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 2bv32 - InvariantResult [Line: 3446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3274]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3905]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4554]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3534]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3534]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4250]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4362]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3274]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4586]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4306]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && 0bv32 == ldv_state_variable_1) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 2804]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4129]: Loop Invariant Derived loop invariant: ((((!(ldv_mutex_lock == 1bv32) || !(ldv_retval_pt_init == 0bv32)) || !(ldv_mutex_mutex_of_device == 1bv32)) || !(ldv_mutex_pt_mutex == 1bv32)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32)) || !(disable == 0bv32) - InvariantResult [Line: 3905]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5093]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3701]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 2817]: Loop Invariant Derived loop invariant: ((((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ~bvsle32(unit, 3bv32)) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2987]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 5043]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && 0bv32 == ldv_state_variable_1) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3195]: Loop Invariant Derived loop invariant: (((((!(ldv_mutex_lock == 1bv32) || !(ldv_retval_pt_init == 0bv32)) || !(ldv_mutex_mutex_of_device == 1bv32)) || !(ldv_mutex_pt_mutex == 2bv32)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32)) || !(disable == 0bv32)) && (((((!(ldv_mutex_lock == 1bv32) || !(ldv_retval_pt_init == 0bv32)) || !(ldv_mutex_mutex_of_device == 1bv32)) || !(ldv_mutex_pt_mutex == 1bv32)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32)) || !(disable == 0bv32)) - InvariantResult [Line: 4570]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4237]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3501]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4075]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3274]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4237]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3691]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3056]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3501]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4075]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3905]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4237]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4237]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 5085]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2921]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4306]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3235]: Loop Invariant Derived loop invariant: (((((!(ldv_mutex_lock == 1bv32) || !(ldv_retval_pt_init == 0bv32)) || !(ldv_mutex_mutex_of_device == 1bv32)) || !(ldv_mutex_pt_mutex == 2bv32)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32)) || !(disable == 0bv32)) && (((((!(ldv_mutex_lock == 1bv32) || !(ldv_retval_pt_init == 0bv32)) || !(ldv_mutex_mutex_of_device == 1bv32)) || !(ldv_mutex_pt_mutex == 1bv32)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32)) || !(disable == 0bv32)) - InvariantResult [Line: 2893]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4075]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4530]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 2bv32 - InvariantResult [Line: 3376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4546]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4229]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4538]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3701]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3905]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 5141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3701]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3235]: Loop Invariant Derived loop invariant: (((((!(ldv_mutex_lock == 1bv32) || !(ldv_retval_pt_init == 0bv32)) || !(ldv_mutex_mutex_of_device == 1bv32)) || !(ldv_mutex_pt_mutex == 2bv32)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32)) || !(disable == 0bv32)) && (((((!(ldv_mutex_lock == 1bv32) || !(ldv_retval_pt_init == 0bv32)) || !(ldv_mutex_mutex_of_device == 1bv32)) || !(ldv_mutex_pt_mutex == 1bv32)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32)) || !(disable == 0bv32)) - InvariantResult [Line: 3905]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3701]: Loop Invariant Derived loop invariant: ((((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ~bvsle32(unit, 3bv32)) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4578]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 2bv32 - InvariantResult [Line: 4075]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3451]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4250]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3777]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 2bv32 - InvariantResult [Line: 3376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4306]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3905]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3451]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2831]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 2bv32 - InvariantResult [Line: 2903]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4306]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4306]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && 0bv32 == ldv_state_variable_1) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3861]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3451]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3195]: Loop Invariant Derived loop invariant: (((((!(ldv_mutex_lock == 1bv32) || !(ldv_retval_pt_init == 0bv32)) || !(ldv_mutex_mutex_of_device == 1bv32)) || !(ldv_mutex_pt_mutex == 2bv32)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32)) || !(disable == 0bv32)) && (((((!(ldv_mutex_lock == 1bv32) || !(ldv_retval_pt_init == 0bv32)) || !(ldv_mutex_mutex_of_device == 1bv32)) || !(ldv_mutex_pt_mutex == 1bv32)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32)) || !(disable == 0bv32)) - InvariantResult [Line: 3056]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5096]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3905]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4075]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2798]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3955]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 5053]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3905]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3769]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 5082]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3534]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2811]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 4304]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && 0bv32 == ldv_state_variable_1) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 2935]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 2bv32 - InvariantResult [Line: 3955]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4129]: Loop Invariant Derived loop invariant: ((((!(ldv_mutex_lock == 1bv32) || !(ldv_retval_pt_init == 0bv32)) || !(ldv_mutex_mutex_of_device == 1bv32)) || !(ldv_mutex_pt_mutex == 1bv32)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32)) || !(disable == 0bv32) - InvariantResult [Line: 3376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4075]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4075]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5075]: Loop Invariant Derived loop invariant: (((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3826]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4362]: Loop Invariant Derived loop invariant: (((ldv_mutex_mutex_of_device == 1bv32 && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 1bv32 - InvariantResult [Line: 3231]: Loop Invariant Derived loop invariant: (((((((!(ldv_mutex_lock == 1bv32) || ~bvadd16(r, 1bv32) == 0bv32) || !(ldv_retval_pt_init == 0bv32)) || !(ldv_mutex_mutex_of_device == 1bv32)) || r == 0bv32) || !(ldv_mutex_pt_mutex == 1bv32)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32)) || !(disable == 0bv32)) && (((((((!(ldv_mutex_lock == 1bv32) || ~bvadd16(r, 1bv32) == 0bv32) || !(ldv_retval_pt_init == 0bv32)) || !(ldv_mutex_mutex_of_device == 1bv32)) || r == 0bv32) || !(ldv_mutex_pt_mutex == 2bv32)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32)) || !(disable == 0bv32)) - InvariantResult [Line: 3056]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4562]: Loop Invariant Derived loop invariant: ((((ldv_mutex_mutex_of_device == 1bv32 && ldv_retval_pt_init == 0bv32) && disable == 0bv32) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && ldv_mutex_pt_mutex == 2bv32 RESULT: Ultimate proved your program to be correct! [2022-11-03 02:12:00,586 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-03 02:12:00,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a983ca37-f280-48b2-b3f7-3d3df9f434df/bin/utaipan-7li7fVZpFI/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