./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64818de-0ba9-4ccf-8a13-3ef3a34c64e1/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64818de-0ba9-4ccf-8a13-3ef3a34c64e1/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64818de-0ba9-4ccf-8a13-3ef3a34c64e1/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64818de-0ba9-4ccf-8a13-3ef3a34c64e1/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64818de-0ba9-4ccf-8a13-3ef3a34c64e1/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64818de-0ba9-4ccf-8a13-3ef3a34c64e1/bin/ukojak-rkRKPMF4O4 --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 6382bf7d3923cc5e5d05cc0b7a660c702c8db87925ef073e0a0a8704a68a4a3b --- 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-2329fc7 [2022-12-15 03:46:35,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:46:35,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:46:35,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:46:35,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:46:35,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:46:35,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:46:35,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:46:35,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:46:35,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:46:35,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:46:35,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:46:35,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:46:35,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:46:35,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:46:35,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:46:35,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:46:35,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:46:35,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:46:35,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:46:35,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:46:35,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:46:35,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:46:35,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:46:35,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:46:35,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:46:35,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:46:35,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:46:35,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:46:35,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:46:35,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:46:35,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:46:35,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:46:35,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:46:35,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:46:35,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:46:35,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:46:35,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:46:35,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:46:35,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:46:35,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:46:35,654 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64818de-0ba9-4ccf-8a13-3ef3a34c64e1/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 03:46:35,668 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:46:35,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:46:35,669 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:46:35,669 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:46:35,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:46:35,670 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:46:35,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:46:35,670 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 03:46:35,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:46:35,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 03:46:35,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:46:35,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:46:35,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:46:35,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:46:35,672 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 03:46:35,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:46:35,672 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:46:35,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:46:35,672 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:46:35,672 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:46:35,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:46:35,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:46:35,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:46:35,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:46:35,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:46:35,673 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:46:35,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:46:35,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:46:35,674 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_d64818de-0ba9-4ccf-8a13-3ef3a34c64e1/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64818de-0ba9-4ccf-8a13-3ef3a34c64e1/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6382bf7d3923cc5e5d05cc0b7a660c702c8db87925ef073e0a0a8704a68a4a3b [2022-12-15 03:46:35,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:46:35,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:46:35,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:46:35,856 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:46:35,856 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:46:35,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64818de-0ba9-4ccf-8a13-3ef3a34c64e1/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.UNBOUNDED.pals.c [2022-12-15 03:46:38,497 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:46:38,650 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:46:38,651 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64818de-0ba9-4ccf-8a13-3ef3a34c64e1/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.UNBOUNDED.pals.c [2022-12-15 03:46:38,657 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64818de-0ba9-4ccf-8a13-3ef3a34c64e1/bin/ukojak-rkRKPMF4O4/data/cd997c8a5/133acdba02cf447592775a4bfcccec8a/FLAG007883e00 [2022-12-15 03:46:38,670 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64818de-0ba9-4ccf-8a13-3ef3a34c64e1/bin/ukojak-rkRKPMF4O4/data/cd997c8a5/133acdba02cf447592775a4bfcccec8a [2022-12-15 03:46:38,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:46:38,673 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:46:38,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:46:38,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:46:38,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:46:38,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:46:38" (1/1) ... [2022-12-15 03:46:38,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3af05e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:38, skipping insertion in model container [2022-12-15 03:46:38,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:46:38" (1/1) ... [2022-12-15 03:46:38,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:46:38,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:46:38,881 WARN L237 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_d64818de-0ba9-4ccf-8a13-3ef3a34c64e1/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.UNBOUNDED.pals.c[11298,11311] [2022-12-15 03:46:38,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:46:38,897 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:46:38,943 WARN L237 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_d64818de-0ba9-4ccf-8a13-3ef3a34c64e1/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.UNBOUNDED.pals.c[11298,11311] [2022-12-15 03:46:38,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:46:38,959 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:46:38,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:38 WrapperNode [2022-12-15 03:46:38,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:46:38,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:46:38,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:46:38,961 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:46:38,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:38" (1/1) ... [2022-12-15 03:46:38,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:38" (1/1) ... [2022-12-15 03:46:39,005 INFO L138 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 312 [2022-12-15 03:46:39,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:46:39,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:46:39,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:46:39,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:46:39,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:38" (1/1) ... [2022-12-15 03:46:39,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:38" (1/1) ... [2022-12-15 03:46:39,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:38" (1/1) ... [2022-12-15 03:46:39,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:38" (1/1) ... [2022-12-15 03:46:39,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:38" (1/1) ... [2022-12-15 03:46:39,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:38" (1/1) ... [2022-12-15 03:46:39,032 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:38" (1/1) ... [2022-12-15 03:46:39,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:38" (1/1) ... [2022-12-15 03:46:39,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:46:39,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:46:39,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:46:39,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:46:39,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:46:38" (1/1) ... [2022-12-15 03:46:39,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:46:39,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64818de-0ba9-4ccf-8a13-3ef3a34c64e1/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:46:39,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64818de-0ba9-4ccf-8a13-3ef3a34c64e1/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:46:39,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64818de-0ba9-4ccf-8a13-3ef3a34c64e1/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:46:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:46:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:46:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:46:39,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:46:39,179 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:46:39,180 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:46:39,522 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:46:39,924 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:46:39,924 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 03:46:39,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:46:39 BoogieIcfgContainer [2022-12-15 03:46:39,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:46:39,927 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:46:39,928 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:46:39,937 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:46:39,937 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:46:39" (1/1) ... [2022-12-15 03:46:39,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:46:39,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:39,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-12-15 03:46:39,996 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-12-15 03:46:39,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 03:46:39,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:39,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:41,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:46:41,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:41,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-12-15 03:46:41,218 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-12-15 03:46:41,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 03:46:41,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:41,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:41,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:46:42,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:42,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2022-12-15 03:46:42,031 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-12-15 03:46:42,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 03:46:42,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:42,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:42,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:46:42,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:42,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2022-12-15 03:46:42,550 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2022-12-15 03:46:42,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 03:46:42,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:42,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:43,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:46:43,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:43,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2022-12-15 03:46:43,225 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-12-15 03:46:43,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 03:46:43,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:43,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:46,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:46:50,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:50,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2022-12-15 03:46:50,043 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2022-12-15 03:46:50,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 03:46:50,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:50,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:46:53,641 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:46:59,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:46:59,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2022-12-15 03:46:59,592 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2022-12-15 03:46:59,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 03:46:59,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:46:59,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:46:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:47:00,169 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:47:02,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:47:02,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 50 states and 79 transitions. [2022-12-15 03:47:02,925 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2022-12-15 03:47:02,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 03:47:02,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:47:02,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:47:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:47:04,439 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:47:11,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:47:11,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 66 states and 111 transitions. [2022-12-15 03:47:11,185 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 111 transitions. [2022-12-15 03:47:11,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 03:47:11,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:47:11,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:47:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:47:12,273 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:47:13,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:47:13,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 67 states and 113 transitions. [2022-12-15 03:47:13,483 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 113 transitions. [2022-12-15 03:47:13,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 03:47:13,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:47:13,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:47:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:47:14,057 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:47:16,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:47:16,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 75 states and 127 transitions. [2022-12-15 03:47:16,561 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 127 transitions. [2022-12-15 03:47:16,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 03:47:16,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:47:16,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:47:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:47:17,539 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:47:20,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:47:20,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 79 states and 144 transitions. [2022-12-15 03:47:20,911 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 144 transitions. [2022-12-15 03:47:20,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 03:47:20,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:47:20,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:47:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:47:22,387 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:47:28,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:47:28,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 94 states and 165 transitions. [2022-12-15 03:47:28,834 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 165 transitions. [2022-12-15 03:47:28,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 03:47:28,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:47:28,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:47:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:48:02,937 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:49:16,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:49:16,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 119 states and 222 transitions. [2022-12-15 03:49:16,790 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 222 transitions. [2022-12-15 03:49:16,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 03:49:16,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:49:16,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:49:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:49:36,114 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:51:21,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:51:21,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 144 states and 283 transitions. [2022-12-15 03:51:21,794 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 283 transitions. [2022-12-15 03:51:21,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 03:51:21,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:51:21,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:51:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:52:18,716 WARN L233 SmtUtils]: Spent 16.61s on a formula simplification. DAG size of input: 264 DAG size of output: 260 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 03:54:47,537 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:55:35,015 WARN L233 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 531 DAG size of output: 439 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 03:55:43,977 WARN L233 SmtUtils]: Spent 6.22s on a formula simplification. DAG size of input: 533 DAG size of output: 456 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 03:56:10,363 WARN L233 SmtUtils]: Spent 5.96s on a formula simplification. DAG size of input: 530 DAG size of output: 459 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 03:56:32,575 WARN L233 SmtUtils]: Spent 6.16s on a formula simplification. DAG size of input: 531 DAG size of output: 460 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 03:56:56,273 WARN L233 SmtUtils]: Spent 5.49s on a formula simplification. DAG size of input: 516 DAG size of output: 445 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 03:57:32,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:57:32,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 169 states and 350 transitions. [2022-12-15 03:57:32,835 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 350 transitions. [2022-12-15 03:57:32,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 03:57:32,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:57:32,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:57:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:57:58,430 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 04:00:47,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 04:00:47,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 194 states and 420 transitions. [2022-12-15 04:00:47,970 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 420 transitions. [2022-12-15 04:00:47,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 04:00:47,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 04:00:47,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 04:00:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 04:00:50,191 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 04:01:17,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 04:01:17,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 203 states and 441 transitions. [2022-12-15 04:01:17,766 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 441 transitions. [2022-12-15 04:01:17,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 04:01:17,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 04:01:17,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 04:01:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 04:01:18,420 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.