./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aef1767-3532-4a88-bac0-ece6ccb109b8/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aef1767-3532-4a88-bac0-ece6ccb109b8/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aef1767-3532-4a88-bac0-ece6ccb109b8/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aef1767-3532-4a88-bac0-ece6ccb109b8/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aef1767-3532-4a88-bac0-ece6ccb109b8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aef1767-3532-4a88-bac0-ece6ccb109b8/bin/ukojak-92XMlrwhuB --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 43a630ae12d5f6fa3f8faf425527884a616bada52a1fbcc4f1f28adcf4c6e228 --- 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-dbf71c6-m [2022-10-17 16:53:52,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:53:52,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:53:52,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:53:52,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:53:52,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:53:52,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:53:52,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:53:52,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:53:52,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:53:52,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:53:52,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:53:52,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:53:52,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:53:52,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:53:52,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:53:52,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:53:52,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:53:52,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:53:52,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:53:52,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:53:52,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:53:52,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:53:52,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:53:52,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:53:52,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:53:52,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:53:52,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:53:52,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:53:52,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:53:52,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:53:52,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:53:52,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:53:52,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:53:52,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:53:52,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:53:52,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:53:52,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:53:52,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:53:52,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:53:52,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:53:52,658 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aef1767-3532-4a88-bac0-ece6ccb109b8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:53:52,707 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:53:52,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:53:52,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:53:52,714 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:53:52,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:53:52,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:53:52,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:53:52,716 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:53:52,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:53:52,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:53:52,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:53:52,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:53:52,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:53:52,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:53:52,719 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:53:52,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:53:52,719 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:53:52,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:53:52,719 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:53:52,720 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:53:52,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:53:52,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:53:52,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:53:52,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:53:52,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:53:52,721 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:53:52,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:53:52,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:53:52,724 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_2aef1767-3532-4a88-bac0-ece6ccb109b8/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aef1767-3532-4a88-bac0-ece6ccb109b8/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43a630ae12d5f6fa3f8faf425527884a616bada52a1fbcc4f1f28adcf4c6e228 [2022-10-17 16:53:53,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:53:53,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:53:53,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:53:53,051 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:53:53,053 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:53:53,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aef1767-3532-4a88-bac0-ece6ccb109b8/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-17 16:53:53,140 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aef1767-3532-4a88-bac0-ece6ccb109b8/bin/ukojak-92XMlrwhuB/data/8e899c88a/1feaef692f7246708807136758da7d86/FLAGa77d40f5e [2022-10-17 16:53:53,730 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:53:53,731 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aef1767-3532-4a88-bac0-ece6ccb109b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-17 16:53:53,745 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aef1767-3532-4a88-bac0-ece6ccb109b8/bin/ukojak-92XMlrwhuB/data/8e899c88a/1feaef692f7246708807136758da7d86/FLAGa77d40f5e [2022-10-17 16:53:54,003 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aef1767-3532-4a88-bac0-ece6ccb109b8/bin/ukojak-92XMlrwhuB/data/8e899c88a/1feaef692f7246708807136758da7d86 [2022-10-17 16:53:54,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:53:54,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:53:54,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:53:54,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:53:54,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:53:54,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:53:54" (1/1) ... [2022-10-17 16:53:54,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dcc2a9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:54, skipping insertion in model container [2022-10-17 16:53:54,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:53:54" (1/1) ... [2022-10-17 16:53:54,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:53:54,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:53:54,388 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_2aef1767-3532-4a88-bac0-ece6ccb109b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[7165,7178] [2022-10-17 16:53:54,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:53:54,499 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:53:54,579 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_2aef1767-3532-4a88-bac0-ece6ccb109b8/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[7165,7178] [2022-10-17 16:53:54,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:53:54,669 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:53:54,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:54 WrapperNode [2022-10-17 16:53:54,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:53:54,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:53:54,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:53:54,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:53:54,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:54" (1/1) ... [2022-10-17 16:53:54,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:54" (1/1) ... [2022-10-17 16:53:54,766 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 595 [2022-10-17 16:53:54,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:53:54,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:53:54,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:53:54,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:53:54,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:54" (1/1) ... [2022-10-17 16:53:54,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:54" (1/1) ... [2022-10-17 16:53:54,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:54" (1/1) ... [2022-10-17 16:53:54,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:54" (1/1) ... [2022-10-17 16:53:54,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:54" (1/1) ... [2022-10-17 16:53:54,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:54" (1/1) ... [2022-10-17 16:53:54,826 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:54" (1/1) ... [2022-10-17 16:53:54,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:54" (1/1) ... [2022-10-17 16:53:54,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:53:54,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:53:54,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:53:54,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:53:54,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:54" (1/1) ... [2022-10-17 16:53:54,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:53:54,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aef1767-3532-4a88-bac0-ece6ccb109b8/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:53:54,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aef1767-3532-4a88-bac0-ece6ccb109b8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:53:54,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aef1767-3532-4a88-bac0-ece6ccb109b8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:53:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:53:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:53:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:53:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:53:55,121 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:53:55,123 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:53:55,895 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:53:56,167 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:53:56,167 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:53:56,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:56 BoogieIcfgContainer [2022-10-17 16:53:56,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:53:56,172 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:53:56,172 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:53:56,182 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:53:56,183 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:56" (1/1) ... [2022-10-17 16:53:56,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:53:56,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:56,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 116 states and 193 transitions. [2022-10-17 16:53:56,288 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 193 transitions. [2022-10-17 16:53:56,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:53:56,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:56,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:56,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:57,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:57,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 123 states and 205 transitions. [2022-10-17 16:53:57,111 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 205 transitions. [2022-10-17 16:53:57,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:53:57,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:57,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:57,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:57,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:57,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 123 states and 204 transitions. [2022-10-17 16:53:57,814 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 204 transitions. [2022-10-17 16:53:57,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:53:57,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:57,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:58,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:59,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:59,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 127 states and 212 transitions. [2022-10-17 16:53:59,126 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 212 transitions. [2022-10-17 16:53:59,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:53:59,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:59,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:59,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:01,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:01,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 135 states and 229 transitions. [2022-10-17 16:54:01,028 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 229 transitions. [2022-10-17 16:54:01,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:54:01,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:01,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:02,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:07,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:07,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 152 states and 264 transitions. [2022-10-17 16:54:07,414 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 264 transitions. [2022-10-17 16:54:07,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:54:07,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:07,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:08,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:12,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:12,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 170 states and 308 transitions. [2022-10-17 16:54:12,788 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 308 transitions. [2022-10-17 16:54:12,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:54:12,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:12,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:13,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:18,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:18,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 187 states and 351 transitions. [2022-10-17 16:54:18,190 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 351 transitions. [2022-10-17 16:54:18,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:54:18,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:18,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:18,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:22,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:22,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 191 states and 360 transitions. [2022-10-17 16:54:22,971 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 360 transitions. [2022-10-17 16:54:22,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:54:22,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:22,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:23,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.