./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.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_81602e87-2fe9-41c5-959e-84ed2b207150/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81602e87-2fe9-41c5-959e-84ed2b207150/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_81602e87-2fe9-41c5-959e-84ed2b207150/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81602e87-2fe9-41c5-959e-84ed2b207150/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81602e87-2fe9-41c5-959e-84ed2b207150/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_81602e87-2fe9-41c5-959e-84ed2b207150/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 9a8265a1502e23b0364b9cd16198377a0ca498fc346156a58eeb954c0e23f901 --- 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 16:31:52,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:31:52,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:31:52,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:31:52,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:31:52,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:31:52,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:31:52,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:31:52,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:31:52,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:31:52,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:31:52,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:31:52,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:31:52,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:31:52,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:31:52,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:31:52,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:31:52,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:31:52,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:31:52,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:31:52,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:31:52,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:31:52,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:31:52,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:31:52,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:31:52,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:31:52,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:31:52,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:31:52,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:31:52,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:31:52,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:31:52,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:31:52,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:31:52,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:31:52,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:31:52,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:31:52,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:31:52,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:31:52,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:31:52,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:31:52,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:31:52,679 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81602e87-2fe9-41c5-959e-84ed2b207150/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:31:52,720 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:31:52,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:31:52,723 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:31:52,723 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:31:52,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:31:52,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:31:52,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:31:52,725 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:31:52,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:31:52,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:31:52,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:31:52,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:31:52,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:31:52,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:31:52,736 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:31:52,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:31:52,737 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:31:52,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:31:52,737 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:31:52,737 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:31:52,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:31:52,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:52,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:31:52,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:31:52,739 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:31:52,739 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:31:52,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:31:52,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:31:52,740 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_81602e87-2fe9-41c5-959e-84ed2b207150/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81602e87-2fe9-41c5-959e-84ed2b207150/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a8265a1502e23b0364b9cd16198377a0ca498fc346156a58eeb954c0e23f901 [2022-10-17 16:31:53,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:31:53,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:31:53,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:31:53,028 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:31:53,029 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:31:53,031 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81602e87-2fe9-41c5-959e-84ed2b207150/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.BOUNDED-8.pals.c [2022-10-17 16:31:53,099 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81602e87-2fe9-41c5-959e-84ed2b207150/bin/ukojak-92XMlrwhuB/data/ac94f2986/d82701b3d1fd48e38e8bc541857c5931/FLAG967f19621 [2022-10-17 16:31:53,675 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:31:53,680 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81602e87-2fe9-41c5-959e-84ed2b207150/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.BOUNDED-8.pals.c [2022-10-17 16:31:53,692 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81602e87-2fe9-41c5-959e-84ed2b207150/bin/ukojak-92XMlrwhuB/data/ac94f2986/d82701b3d1fd48e38e8bc541857c5931/FLAG967f19621 [2022-10-17 16:31:53,940 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81602e87-2fe9-41c5-959e-84ed2b207150/bin/ukojak-92XMlrwhuB/data/ac94f2986/d82701b3d1fd48e38e8bc541857c5931 [2022-10-17 16:31:53,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:31:53,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:31:53,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:53,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:31:53,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:31:53,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:53" (1/1) ... [2022-10-17 16:31:53,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad49ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:53, skipping insertion in model container [2022-10-17 16:31:53,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:53" (1/1) ... [2022-10-17 16:31:53,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:31:54,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:31:54,248 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_81602e87-2fe9-41c5-959e-84ed2b207150/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.BOUNDED-8.pals.c[8209,8222] [2022-10-17 16:31:54,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:54,260 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:31:54,305 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_81602e87-2fe9-41c5-959e-84ed2b207150/sv-benchmarks/c/seq-mthreaded/pals_lcr.4.ufo.BOUNDED-8.pals.c[8209,8222] [2022-10-17 16:31:54,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:54,334 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:31:54,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:54 WrapperNode [2022-10-17 16:31:54,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:54,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:54,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:31:54,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:31:54,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:54" (1/1) ... [2022-10-17 16:31:54,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:54" (1/1) ... [2022-10-17 16:31:54,397 INFO L138 Inliner]: procedures = 22, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 274 [2022-10-17 16:31:54,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:54,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:31:54,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:31:54,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:31:54,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:54" (1/1) ... [2022-10-17 16:31:54,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:54" (1/1) ... [2022-10-17 16:31:54,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:54" (1/1) ... [2022-10-17 16:31:54,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:54" (1/1) ... [2022-10-17 16:31:54,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:54" (1/1) ... [2022-10-17 16:31:54,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:54" (1/1) ... [2022-10-17 16:31:54,443 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:54" (1/1) ... [2022-10-17 16:31:54,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:54" (1/1) ... [2022-10-17 16:31:54,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:31:54,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:31:54,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:31:54,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:31:54,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:54" (1/1) ... [2022-10-17 16:31:54,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:54,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81602e87-2fe9-41c5-959e-84ed2b207150/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:31:54,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81602e87-2fe9-41c5-959e-84ed2b207150/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:31:54,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81602e87-2fe9-41c5-959e-84ed2b207150/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:31:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:31:54,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:31:54,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:31:54,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:31:54,666 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:31:54,668 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:31:55,313 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:31:55,822 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:31:55,822 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:31:55,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:55 BoogieIcfgContainer [2022-10-17 16:31:55,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:31:55,827 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:31:55,827 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:31:55,838 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:31:55,838 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:55" (1/1) ... [2022-10-17 16:31:55,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:31:55,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:55,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-10-17 16:31:55,939 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-10-17 16:31:55,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:31:55,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:55,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:57,298 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 16:31:57,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:57,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2022-10-17 16:31:57,398 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2022-10-17 16:31:57,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:31:57,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:57,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:57,654 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 16:31:57,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:57,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 17 states and 28 transitions. [2022-10-17 16:31:57,969 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 28 transitions. [2022-10-17 16:31:57,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:31:57,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:57,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:58,928 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 16:31:59,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:59,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 21 states and 36 transitions. [2022-10-17 16:31:59,482 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 36 transitions. [2022-10-17 16:31:59,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:31:59,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:59,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:59,812 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 16:32:00,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:00,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2022-10-17 16:32:00,063 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2022-10-17 16:32:00,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:32:00,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:00,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:04,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:32:09,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:09,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 63 transitions. [2022-10-17 16:32:09,203 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2022-10-17 16:32:09,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:32:09,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:09,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:12,945 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:32:19,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:19,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 43 states and 83 transitions. [2022-10-17 16:32:19,623 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 83 transitions. [2022-10-17 16:32:19,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:32:19,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:19,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:20,480 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.