./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f 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_ab64258a-119f-4960-be55-527550be5895/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab64258a-119f-4960-be55-527550be5895/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab64258a-119f-4960-be55-527550be5895/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab64258a-119f-4960-be55-527550be5895/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab64258a-119f-4960-be55-527550be5895/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab64258a-119f-4960-be55-527550be5895/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a6fb157ae499b257dadbdfdc38e5d4454494023bad31f4939a5eb0b429ddb260 --- 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-e04fb08 [2022-11-16 11:39:07,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:39:07,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:39:07,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:39:07,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:39:07,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:39:07,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:39:07,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:39:07,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:39:07,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:39:07,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:39:07,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:39:07,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:39:07,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:39:07,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:39:07,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:39:07,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:39:07,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:39:07,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:39:07,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:39:07,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:39:07,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:39:07,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:39:07,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:39:07,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:39:07,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:39:07,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:39:07,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:39:07,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:39:07,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:39:07,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:39:07,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:39:07,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:39:07,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:39:07,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:39:07,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:39:07,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:39:07,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:39:07,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:39:07,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:39:07,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:39:07,775 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab64258a-119f-4960-be55-527550be5895/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 11:39:07,829 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:39:07,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:39:07,830 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:39:07,831 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:39:07,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:39:07,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:39:07,834 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:39:07,834 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:39:07,834 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:39:07,835 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:39:07,836 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:39:07,836 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:39:07,836 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:39:07,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:39:07,837 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:39:07,837 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:39:07,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:39:07,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:39:07,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:39:07,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:39:07,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:39:07,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:39:07,839 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:39:07,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:39:07,841 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:39:07,842 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:39:07,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:39:07,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:39:07,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:39:07,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:39:07,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:39:07,845 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:39:07,845 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_ab64258a-119f-4960-be55-527550be5895/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab64258a-119f-4960-be55-527550be5895/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6fb157ae499b257dadbdfdc38e5d4454494023bad31f4939a5eb0b429ddb260 [2022-11-16 11:39:08,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:39:08,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:39:08,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:39:08,298 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:39:08,299 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:39:08,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab64258a-119f-4960-be55-527550be5895/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-2.c [2022-11-16 11:39:08,407 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab64258a-119f-4960-be55-527550be5895/bin/uautomizer-tPACEb0tL8/data/dcd74233d/ae824ca88ac34e90a655da44cc79b1bf/FLAG1e9c8ccb8 [2022-11-16 11:39:09,348 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:39:09,349 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab64258a-119f-4960-be55-527550be5895/sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-2.c [2022-11-16 11:39:09,385 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab64258a-119f-4960-be55-527550be5895/bin/uautomizer-tPACEb0tL8/data/dcd74233d/ae824ca88ac34e90a655da44cc79b1bf/FLAG1e9c8ccb8 [2022-11-16 11:39:09,831 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab64258a-119f-4960-be55-527550be5895/bin/uautomizer-tPACEb0tL8/data/dcd74233d/ae824ca88ac34e90a655da44cc79b1bf [2022-11-16 11:39:09,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:39:09,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:39:09,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:39:09,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:39:09,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:39:09,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:39:09" (1/1) ... [2022-11-16 11:39:09,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1000f540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:09, skipping insertion in model container [2022-11-16 11:39:09,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:39:09" (1/1) ... [2022-11-16 11:39:09,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:39:09,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:39:10,280 WARN L229 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_ab64258a-119f-4960-be55-527550be5895/sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-2.c[1871,1884] [2022-11-16 11:39:11,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:39:11,265 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:39:11,286 WARN L229 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_ab64258a-119f-4960-be55-527550be5895/sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-2.c[1871,1884] [2022-11-16 11:39:11,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:39:11,737 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:39:11,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:11 WrapperNode [2022-11-16 11:39:11,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:39:11,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:39:11,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:39:11,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:39:11,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:11" (1/1) ... [2022-11-16 11:39:11,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:11" (1/1) ... [2022-11-16 11:39:23,421 INFO L138 Inliner]: procedures = 99, calls = 2816, calls flagged for inlining = 345, calls inlined = 12137, statements flattened = 582823 [2022-11-16 11:39:23,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:39:23,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:39:23,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:39:23,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:39:23,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:11" (1/1) ... [2022-11-16 11:39:23,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:11" (1/1) ... [2022-11-16 11:39:26,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:11" (1/1) ... [2022-11-16 11:39:26,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:11" (1/1) ... [2022-11-16 11:39:31,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:11" (1/1) ... [2022-11-16 11:39:34,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:11" (1/1) ... [2022-11-16 11:39:35,084 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:11" (1/1) ... [2022-11-16 11:39:35,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:11" (1/1) ... [2022-11-16 11:39:39,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:39:39,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:39:39,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:39:39,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:39:39,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:11" (1/1) ... [2022-11-16 11:39:39,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:39:39,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab64258a-119f-4960-be55-527550be5895/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:39:39,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab64258a-119f-4960-be55-527550be5895/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:39:39,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab64258a-119f-4960-be55-527550be5895/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:39:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:39:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:39:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:39:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:39:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:39:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:39:40,359 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:39:40,362 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:51:39,156 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:51:39,574 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:51:39,574 INFO L300 CfgBuilder]: Removed 42 assume(true) statements. [2022-11-16 11:51:39,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:51:39 BoogieIcfgContainer [2022-11-16 11:51:39,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:51:39,670 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:51:39,671 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:51:39,675 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:51:39,675 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:51:39,676 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:39:09" (1/3) ... [2022-11-16 11:51:39,677 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d68c561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:51:39, skipping insertion in model container [2022-11-16 11:51:39,677 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:51:39,677 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:11" (2/3) ... [2022-11-16 11:51:39,678 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d68c561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:51:39, skipping insertion in model container [2022-11-16 11:51:39,678 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:51:39,678 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:51:39" (3/3) ... [2022-11-16 11:51:39,680 INFO L332 chiAutomizerObserver]: Analyzing ICFG rekh_ctm.3-2.c [2022-11-16 11:51:42,878 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:51:42,878 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:51:42,879 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:51:42,879 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:51:42,879 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:51:42,879 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:51:42,879 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:51:42,879 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:51:43,193 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 167492 states, 167491 states have (on average 1.7040975335988202) internal successors, (285421), 167491 states have internal predecessors, (285421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)