./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b526b6bb-a857-4bbb-b743-a011dff7dfd5/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b526b6bb-a857-4bbb-b743-a011dff7dfd5/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b526b6bb-a857-4bbb-b743-a011dff7dfd5/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b526b6bb-a857-4bbb-b743-a011dff7dfd5/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b526b6bb-a857-4bbb-b743-a011dff7dfd5/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b526b6bb-a857-4bbb-b743-a011dff7dfd5/bin/ukojak-CydTVMUXoH --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 8cf9a91c8f1111f4616406dfb4a7fdeef392d21e591ff8d6357140f3015668db --- 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 08:51:04,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 08:51:04,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 08:51:04,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 08:51:04,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 08:51:04,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 08:51:04,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 08:51:04,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 08:51:04,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 08:51:04,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 08:51:04,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 08:51:04,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 08:51:04,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 08:51:04,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 08:51:04,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 08:51:04,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 08:51:04,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 08:51:04,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 08:51:04,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 08:51:04,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 08:51:04,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 08:51:04,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 08:51:04,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 08:51:04,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 08:51:04,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 08:51:04,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 08:51:04,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 08:51:04,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 08:51:04,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 08:51:04,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 08:51:04,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 08:51:04,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 08:51:04,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 08:51:04,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 08:51:04,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 08:51:04,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 08:51:04,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 08:51:04,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 08:51:04,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 08:51:04,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 08:51:04,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 08:51:04,939 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b526b6bb-a857-4bbb-b743-a011dff7dfd5/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-16 08:51:04,987 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 08:51:04,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 08:51:04,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 08:51:04,989 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 08:51:04,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 08:51:04,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 08:51:04,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 08:51:04,991 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 08:51:04,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 08:51:04,992 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 08:51:04,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 08:51:04,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 08:51:04,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 08:51:04,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 08:51:04,994 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 08:51:04,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 08:51:04,995 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 08:51:04,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 08:51:04,995 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 08:51:04,996 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 08:51:04,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 08:51:04,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:51:04,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 08:51:04,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 08:51:04,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 08:51:04,997 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 08:51:04,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 08:51:04,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 08:51:05,000 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_b526b6bb-a857-4bbb-b743-a011dff7dfd5/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b526b6bb-a857-4bbb-b743-a011dff7dfd5/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cf9a91c8f1111f4616406dfb4a7fdeef392d21e591ff8d6357140f3015668db [2022-11-16 08:51:05,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 08:51:05,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 08:51:05,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 08:51:05,370 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 08:51:05,372 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 08:51:05,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b526b6bb-a857-4bbb-b743-a011dff7dfd5/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c [2022-11-16 08:51:05,474 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b526b6bb-a857-4bbb-b743-a011dff7dfd5/bin/ukojak-CydTVMUXoH/data/2b0630923/65662d5026aa408bac88b3207fb13982/FLAGba27133f9 [2022-11-16 08:51:06,121 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 08:51:06,121 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b526b6bb-a857-4bbb-b743-a011dff7dfd5/sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c [2022-11-16 08:51:06,135 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b526b6bb-a857-4bbb-b743-a011dff7dfd5/bin/ukojak-CydTVMUXoH/data/2b0630923/65662d5026aa408bac88b3207fb13982/FLAGba27133f9 [2022-11-16 08:51:06,459 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b526b6bb-a857-4bbb-b743-a011dff7dfd5/bin/ukojak-CydTVMUXoH/data/2b0630923/65662d5026aa408bac88b3207fb13982 [2022-11-16 08:51:06,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 08:51:06,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 08:51:06,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 08:51:06,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 08:51:06,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 08:51:06,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:51:06" (1/1) ... [2022-11-16 08:51:06,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572375f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:51:06, skipping insertion in model container [2022-11-16 08:51:06,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:51:06" (1/1) ... [2022-11-16 08:51:06,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 08:51:06,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 08:51:06,849 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_b526b6bb-a857-4bbb-b743-a011dff7dfd5/sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c[8379,8392] [2022-11-16 08:51:06,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:51:06,865 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 08:51:06,915 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_b526b6bb-a857-4bbb-b743-a011dff7dfd5/sv-benchmarks/c/seq-mthreaded/pals_lcr.4_overflow.ufo.UNBOUNDED.pals.c[8379,8392] [2022-11-16 08:51:06,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:51:06,934 INFO L208 MainTranslator]: Completed translation [2022-11-16 08:51:06,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:51:06 WrapperNode [2022-11-16 08:51:06,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 08:51:06,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 08:51:06,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 08:51:06,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 08:51:06,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:51:06" (1/1) ... [2022-11-16 08:51:06,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:51:06" (1/1) ... [2022-11-16 08:51:06,997 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 256 [2022-11-16 08:51:06,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 08:51:06,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 08:51:06,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 08:51:06,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 08:51:07,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:51:06" (1/1) ... [2022-11-16 08:51:07,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:51:06" (1/1) ... [2022-11-16 08:51:07,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:51:06" (1/1) ... [2022-11-16 08:51:07,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:51:06" (1/1) ... [2022-11-16 08:51:07,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:51:06" (1/1) ... [2022-11-16 08:51:07,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:51:06" (1/1) ... [2022-11-16 08:51:07,061 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:51:06" (1/1) ... [2022-11-16 08:51:07,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:51:06" (1/1) ... [2022-11-16 08:51:07,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 08:51:07,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 08:51:07,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 08:51:07,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 08:51:07,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:51:06" (1/1) ... [2022-11-16 08:51:07,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:51:07,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b526b6bb-a857-4bbb-b743-a011dff7dfd5/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 08:51:07,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b526b6bb-a857-4bbb-b743-a011dff7dfd5/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 08:51:07,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b526b6bb-a857-4bbb-b743-a011dff7dfd5/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 08:51:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 08:51:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 08:51:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 08:51:07,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 08:51:07,275 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 08:51:07,277 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 08:51:07,722 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 08:51:08,209 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 08:51:08,209 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 08:51:08,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:51:08 BoogieIcfgContainer [2022-11-16 08:51:08,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 08:51:08,221 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 08:51:08,221 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 08:51:08,236 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 08:51:08,237 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:51:08" (1/1) ... [2022-11-16 08:51:08,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 08:51:08,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:51:08,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-11-16 08:51:08,319 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-11-16 08:51:08,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-16 08:51:08,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:51:08,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:51:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:51:09,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:51:10,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:51:10,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-11-16 08:51:10,091 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-11-16 08:51:10,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 08:51:10,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:51:10,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:51:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:51:10,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:51:11,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:51:11,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-11-16 08:51:11,013 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-11-16 08:51:11,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 08:51:11,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:51:11,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:51:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:51:11,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:51:12,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:51:12,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2022-11-16 08:51:12,423 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2022-11-16 08:51:12,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 08:51:12,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:51:12,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:51:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:51:12,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:51:12,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:51:12,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2022-11-16 08:51:12,966 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2022-11-16 08:51:12,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 08:51:12,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:51:12,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:51:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:51:17,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:51:21,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:51:21,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2022-11-16 08:51:21,919 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2022-11-16 08:51:21,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 08:51:21,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:51:21,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:51:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:51:22,749 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:51:26,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:51:26,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2022-11-16 08:51:26,452 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2022-11-16 08:51:26,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 08:51:26,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:51:26,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:51:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:51:32,661 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:51:39,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:51:39,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 94 transitions. [2022-11-16 08:51:39,792 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2022-11-16 08:51:39,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 08:51:39,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:51:39,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:51:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:51:40,440 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:51:41,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:51:41,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 56 states and 100 transitions. [2022-11-16 08:51:41,191 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2022-11-16 08:51:41,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 08:51:41,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:51:41,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:51:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:51:45,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:51:52,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:51:52,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 66 states and 113 transitions. [2022-11-16 08:51:52,453 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 113 transitions. [2022-11-16 08:51:52,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 08:51:52,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:51:52,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:51:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:51:54,551 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:52:03,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:52:03,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 77 states and 147 transitions. [2022-11-16 08:52:03,360 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 147 transitions. [2022-11-16 08:52:03,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 08:52:03,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:52:03,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:52:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:52:05,394 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:52:17,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:52:17,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 88 states and 184 transitions. [2022-11-16 08:52:17,064 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 184 transitions. [2022-11-16 08:52:17,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 08:52:17,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:52:17,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:52:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:52:18,982 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:52:25,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:52:25,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 95 states and 198 transitions. [2022-11-16 08:52:25,473 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 198 transitions. [2022-11-16 08:52:25,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 08:52:25,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:52:25,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:52:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:52:26,945 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:52:30,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:52:30,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 101 states and 211 transitions. [2022-11-16 08:52:30,564 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 211 transitions. [2022-11-16 08:52:30,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 08:52:30,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:52:30,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:52:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:52:32,761 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:52:42,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:52:42,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 112 states and 236 transitions. [2022-11-16 08:52:42,197 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 236 transitions. [2022-11-16 08:52:42,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 08:52:42,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:52:42,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:52:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:52:43,115 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:52:48,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:52:48,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 119 states and 250 transitions. [2022-11-16 08:52:48,444 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 250 transitions. [2022-11-16 08:52:48,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 08:52:48,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:52:48,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:52:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:52:50,543 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:52:58,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:52:58,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 127 states and 270 transitions. [2022-11-16 08:52:58,032 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 270 transitions. [2022-11-16 08:52:58,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 08:52:58,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:52:58,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:52:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:52:58,529 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:53:00,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:53:00,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 132 states and 277 transitions. [2022-11-16 08:53:00,771 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 277 transitions. [2022-11-16 08:53:00,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-16 08:53:00,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:53:00,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:53:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:53:40,635 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:55:01,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:55:01,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 156 states and 337 transitions. [2022-11-16 08:55:01,797 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 337 transitions. [2022-11-16 08:55:01,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-16 08:55:01,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:55:01,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:55:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:55:40,108 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:57:45,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:57:45,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 181 states and 409 transitions. [2022-11-16 08:57:45,279 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 409 transitions. [2022-11-16 08:57:45,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-16 08:57:45,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:57:45,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:57:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:58:30,388 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 09:01:12,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 09:01:12,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 206 states and 489 transitions. [2022-11-16 09:01:12,870 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 489 transitions. [2022-11-16 09:01:12,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-16 09:01:12,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 09:01:12,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 09:01:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 09:01:45,821 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 09:02:36,732 WARN L233 SmtUtils]: Spent 5.37s on a formula simplification. DAG size of input: 442 DAG size of output: 365 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 09:02:54,720 WARN L233 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 444 DAG size of output: 367 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 09:04:37,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 09:04:37,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 231 states and 581 transitions. [2022-11-16 09:04:37,360 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 581 transitions. [2022-11-16 09:04:37,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 09:04:37,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 09:04:37,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 09:04:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 09:04:42,393 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.