./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.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_3acfcb81-782f-4e24-b522-26bae966e035/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acfcb81-782f-4e24-b522-26bae966e035/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_3acfcb81-782f-4e24-b522-26bae966e035/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acfcb81-782f-4e24-b522-26bae966e035/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acfcb81-782f-4e24-b522-26bae966e035/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_3acfcb81-782f-4e24-b522-26bae966e035/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 17ba764d4851428799f2c4794a4662e2753aae472d291b23839dac79bbfbab6d --- 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 16:57:31,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:57:31,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:57:31,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:57:31,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:57:31,512 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:57:31,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:57:31,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:57:31,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:57:31,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:57:31,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:57:31,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:57:31,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:57:31,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:57:31,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:57:31,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:57:31,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:57:31,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:57:31,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:57:31,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:57:31,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:57:31,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:57:31,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:57:31,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:57:31,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:57:31,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:57:31,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:57:31,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:57:31,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:57:31,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:57:31,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:57:31,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:57:31,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:57:31,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:57:31,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:57:31,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:57:31,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:57:31,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:57:31,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:57:31,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:57:31,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:57:31,562 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acfcb81-782f-4e24-b522-26bae966e035/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:57:31,586 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:57:31,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:57:31,588 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:57:31,588 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:57:31,589 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:57:31,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:57:31,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:57:31,590 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:57:31,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:57:31,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:57:31,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:57:31,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:57:31,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:57:31,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:57:31,592 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:57:31,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:57:31,592 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:57:31,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:57:31,593 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:57:31,593 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:57:31,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:57:31,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:31,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:57:31,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:57:31,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:57:31,595 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:57:31,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:57:31,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:57:31,596 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_3acfcb81-782f-4e24-b522-26bae966e035/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acfcb81-782f-4e24-b522-26bae966e035/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17ba764d4851428799f2c4794a4662e2753aae472d291b23839dac79bbfbab6d [2022-10-17 16:57:31,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:57:31,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:57:31,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:57:31,925 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:57:31,926 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:57:31,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acfcb81-782f-4e24-b522-26bae966e035/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c [2022-10-17 16:57:32,003 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acfcb81-782f-4e24-b522-26bae966e035/bin/ukojak-92XMlrwhuB/data/bb7d007c2/43e2f48e4d964e038e7d811acd119b6e/FLAG18d1d5707 [2022-10-17 16:57:32,507 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:57:32,508 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acfcb81-782f-4e24-b522-26bae966e035/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c [2022-10-17 16:57:32,519 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acfcb81-782f-4e24-b522-26bae966e035/bin/ukojak-92XMlrwhuB/data/bb7d007c2/43e2f48e4d964e038e7d811acd119b6e/FLAG18d1d5707 [2022-10-17 16:57:32,843 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acfcb81-782f-4e24-b522-26bae966e035/bin/ukojak-92XMlrwhuB/data/bb7d007c2/43e2f48e4d964e038e7d811acd119b6e [2022-10-17 16:57:32,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:57:32,848 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:57:32,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:32,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:57:32,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:57:32,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:32" (1/1) ... [2022-10-17 16:57:32,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36409e20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:32, skipping insertion in model container [2022-10-17 16:57:32,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:32" (1/1) ... [2022-10-17 16:57:32,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:57:32,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:57:33,172 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_3acfcb81-782f-4e24-b522-26bae966e035/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c[9392,9405] [2022-10-17 16:57:33,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:33,185 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:57:33,233 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_3acfcb81-782f-4e24-b522-26bae966e035/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c[9392,9405] [2022-10-17 16:57:33,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:33,249 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:57:33,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:33 WrapperNode [2022-10-17 16:57:33,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:33,252 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:33,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:57:33,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:57:33,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:33" (1/1) ... [2022-10-17 16:57:33,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:33" (1/1) ... [2022-10-17 16:57:33,304 INFO L138 Inliner]: procedures = 22, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 319 [2022-10-17 16:57:33,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:33,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:57:33,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:57:33,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:57:33,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:33" (1/1) ... [2022-10-17 16:57:33,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:33" (1/1) ... [2022-10-17 16:57:33,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:33" (1/1) ... [2022-10-17 16:57:33,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:33" (1/1) ... [2022-10-17 16:57:33,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:33" (1/1) ... [2022-10-17 16:57:33,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:33" (1/1) ... [2022-10-17 16:57:33,336 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:33" (1/1) ... [2022-10-17 16:57:33,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:33" (1/1) ... [2022-10-17 16:57:33,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:57:33,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:57:33,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:57:33,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:57:33,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:33" (1/1) ... [2022-10-17 16:57:33,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:33,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acfcb81-782f-4e24-b522-26bae966e035/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:57:33,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acfcb81-782f-4e24-b522-26bae966e035/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:57:33,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acfcb81-782f-4e24-b522-26bae966e035/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:57:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:57:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:57:33,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:57:33,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:57:33,533 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:57:33,536 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:57:34,101 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:57:34,847 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:57:34,848 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:57:34,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:34 BoogieIcfgContainer [2022-10-17 16:57:34,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:57:34,852 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:57:34,852 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:57:34,863 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:57:34,863 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:34" (1/1) ... [2022-10-17 16:57:34,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:57:34,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:34,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-10-17 16:57:34,961 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-10-17 16:57:34,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:57:34,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:34,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:37,004 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 16:57:37,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:37,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2022-10-17 16:57:37,141 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2022-10-17 16:57:37,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:57:37,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:37,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:43,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:44,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:44,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 13 states and 22 transitions. [2022-10-17 16:57:44,623 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 22 transitions. [2022-10-17 16:57:44,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:57:44,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:44,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:51,951 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:56,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:56,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 20 states and 45 transitions. [2022-10-17 16:57:56,489 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 45 transitions. [2022-10-17 16:57:56,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:57:56,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:56,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat