./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.1.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_710002a3-12b9-4281-9f51-54084054c6fb/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710002a3-12b9-4281-9f51-54084054c6fb/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_710002a3-12b9-4281-9f51-54084054c6fb/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710002a3-12b9-4281-9f51-54084054c6fb/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710002a3-12b9-4281-9f51-54084054c6fb/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_710002a3-12b9-4281-9f51-54084054c6fb/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 a3df27f87602fca8935d2269a873dfd3f1a5195383d477434680a0bc703d239a --- 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 [2022-12-14 22:00:06,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:00:06,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:00:06,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:00:06,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:00:06,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:00:06,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:00:06,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:00:06,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:00:06,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:00:06,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:00:06,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:00:06,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:00:06,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:00:06,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:00:06,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:00:06,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:00:06,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:00:06,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:00:06,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:00:06,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:00:06,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:00:06,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:00:06,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:00:06,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:00:06,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:00:06,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:00:06,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:00:06,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:00:06,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:00:06,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:00:06,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:00:06,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:00:06,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:00:06,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:00:06,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:00:06,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:00:06,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:00:06,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:00:06,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:00:06,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:00:06,867 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710002a3-12b9-4281-9f51-54084054c6fb/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 22:00:06,887 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:00:06,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:00:06,888 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:00:06,889 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:00:06,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:00:06,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:00:06,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:00:06,890 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:00:06,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:00:06,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:00:06,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:00:06,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:00:06,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:00:06,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:00:06,891 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:00:06,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:00:06,892 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:00:06,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:00:06,892 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:00:06,892 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:00:06,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:00:06,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:00:06,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:00:06,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:00:06,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:00:06,894 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:00:06,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:00:06,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:00:06,894 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_710002a3-12b9-4281-9f51-54084054c6fb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710002a3-12b9-4281-9f51-54084054c6fb/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3df27f87602fca8935d2269a873dfd3f1a5195383d477434680a0bc703d239a [2022-12-14 22:00:07,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:00:07,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:00:07,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:00:07,126 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:00:07,127 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:00:07,128 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710002a3-12b9-4281-9f51-54084054c6fb/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.1.ufo.UNBOUNDED.pals.c [2022-12-14 22:00:09,708 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:00:09,867 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:00:09,868 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710002a3-12b9-4281-9f51-54084054c6fb/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.1.ufo.UNBOUNDED.pals.c [2022-12-14 22:00:09,876 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710002a3-12b9-4281-9f51-54084054c6fb/bin/ukojak-rkRKPMF4O4/data/2159281a1/6eb58a02f34f410cb81c30c63bc594b6/FLAG6061e517b [2022-12-14 22:00:09,887 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710002a3-12b9-4281-9f51-54084054c6fb/bin/ukojak-rkRKPMF4O4/data/2159281a1/6eb58a02f34f410cb81c30c63bc594b6 [2022-12-14 22:00:09,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:00:09,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:00:09,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:00:09,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:00:09,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:00:09,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:00:09" (1/1) ... [2022-12-14 22:00:09,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416b8fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:09, skipping insertion in model container [2022-12-14 22:00:09,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:00:09" (1/1) ... [2022-12-14 22:00:09,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:00:09,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:00:10,103 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_710002a3-12b9-4281-9f51-54084054c6fb/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.1.ufo.UNBOUNDED.pals.c[26518,26531] [2022-12-14 22:00:10,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:00:10,116 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:00:10,165 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_710002a3-12b9-4281-9f51-54084054c6fb/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.1.ufo.UNBOUNDED.pals.c[26518,26531] [2022-12-14 22:00:10,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:00:10,180 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:00:10,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:10 WrapperNode [2022-12-14 22:00:10,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:00:10,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:00:10,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:00:10,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:00:10,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:10" (1/1) ... [2022-12-14 22:00:10,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:10" (1/1) ... [2022-12-14 22:00:10,220 INFO L138 Inliner]: procedures = 28, calls = 19, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 491 [2022-12-14 22:00:10,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:00:10,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:00:10,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:00:10,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:00:10,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:10" (1/1) ... [2022-12-14 22:00:10,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:10" (1/1) ... [2022-12-14 22:00:10,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:10" (1/1) ... [2022-12-14 22:00:10,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:10" (1/1) ... [2022-12-14 22:00:10,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:10" (1/1) ... [2022-12-14 22:00:10,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:10" (1/1) ... [2022-12-14 22:00:10,243 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:10" (1/1) ... [2022-12-14 22:00:10,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:10" (1/1) ... [2022-12-14 22:00:10,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:00:10,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:00:10,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:00:10,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:00:10,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:00:10" (1/1) ... [2022-12-14 22:00:10,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:00:10,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710002a3-12b9-4281-9f51-54084054c6fb/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:00:10,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710002a3-12b9-4281-9f51-54084054c6fb/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:00:10,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710002a3-12b9-4281-9f51-54084054c6fb/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:00:10,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:00:10,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:00:10,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:00:10,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:00:10,422 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:00:10,424 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:00:10,838 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:00:11,396 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:00:11,396 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 22:00:11,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:00:11 BoogieIcfgContainer [2022-12-14 22:00:11,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:00:11,399 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:00:11,399 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:00:11,406 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:00:11,406 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:00:11" (1/1) ... [2022-12-14 22:00:11,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:00:11,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:00:11,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-12-14 22:00:11,456 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-12-14 22:00:11,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 22:00:11,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:00:11,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:00:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:00:13,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:00:13,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:00:13,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-12-14 22:00:13,355 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-12-14 22:00:13,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 22:00:13,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:00:13,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:00:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:00:13,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:00:14,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:00:14,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-12-14 22:00:14,101 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-12-14 22:00:14,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 22:00:14,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:00:14,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:00:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:00:15,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:00:15,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:00:15,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2022-12-14 22:00:15,713 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2022-12-14 22:00:15,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 22:00:15,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:00:15,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:00:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:00:16,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:00:16,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:00:16,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2022-12-14 22:00:16,936 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2022-12-14 22:00:16,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 22:00:16,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:00:16,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:00:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:00:23,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:00:29,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:00:29,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2022-12-14 22:00:29,902 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2022-12-14 22:00:29,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 22:00:29,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:00:29,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:00:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:00:30,504 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:00:34,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:00:34,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2022-12-14 22:00:34,315 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2022-12-14 22:00:34,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 22:00:34,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:00:34,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:00:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:00:42,603 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:00:51,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:00:51,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2022-12-14 22:00:51,737 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2022-12-14 22:00:51,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 22:00:51,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:00:51,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:00:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:00:58,924 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:01:08,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:01:08,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 61 states and 101 transitions. [2022-12-14 22:01:08,909 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 101 transitions. [2022-12-14 22:01:08,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 22:01:08,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:01:08,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:01:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:01:11,609 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:01:23,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:01:23,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 72 states and 134 transitions. [2022-12-14 22:01:23,930 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 134 transitions. [2022-12-14 22:01:23,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 22:01:23,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:01:23,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:01:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:01:24,767 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:01:28,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:01:28,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 80 states and 148 transitions. [2022-12-14 22:01:28,668 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 148 transitions. [2022-12-14 22:01:28,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 22:01:28,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:01:28,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:01:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:01:31,695 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:01:43,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:01:43,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 92 states and 172 transitions. [2022-12-14 22:01:43,828 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 172 transitions. [2022-12-14 22:01:43,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 22:01:43,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:01:43,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:01:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:01:46,920 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:01:52,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:01:52,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 102 states and 191 transitions. [2022-12-14 22:01:52,836 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 191 transitions. [2022-12-14 22:01:52,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 22:01:52,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:01:52,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:01:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:01:53,502 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:01:54,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:01:54,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 103 states and 192 transitions. [2022-12-14 22:01:54,499 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 192 transitions. [2022-12-14 22:01:54,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 22:01:54,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:01:54,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:01:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:01:56,175 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:02:03,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:02:03,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 110 states and 217 transitions. [2022-12-14 22:02:03,570 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 217 transitions. [2022-12-14 22:02:03,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 22:02:03,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:02:03,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:02:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:02:06,858 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:02:21,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:02:21,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 121 states and 236 transitions. [2022-12-14 22:02:21,376 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 236 transitions. [2022-12-14 22:02:21,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 22:02:21,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:02:21,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:02:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:02:22,804 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 22:02:23,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:02:23,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 121 states and 235 transitions. [2022-12-14 22:02:23,568 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 235 transitions. [2022-12-14 22:02:23,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 22:02:23,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:02:23,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:02:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat