./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_f7559d10-95f9-4a4c-881a-e37c3872ccfb/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7559d10-95f9-4a4c-881a-e37c3872ccfb/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_f7559d10-95f9-4a4c-881a-e37c3872ccfb/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7559d10-95f9-4a4c-881a-e37c3872ccfb/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7559d10-95f9-4a4c-881a-e37c3872ccfb/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_f7559d10-95f9-4a4c-881a-e37c3872ccfb/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 10aecdd717bb6691571ad1da0b912f030832fb85361f767ea82293acfe046216 --- 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 19:08:52,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:08:52,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:08:52,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:08:52,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:08:52,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:08:52,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:08:52,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:08:52,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:08:52,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:08:52,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:08:52,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:08:52,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:08:52,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:08:52,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:08:52,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:08:52,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:08:52,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:08:52,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:08:52,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:08:52,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:08:52,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:08:52,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:08:52,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:08:52,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:08:52,147 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:08:52,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:08:52,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:08:52,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:08:52,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:08:52,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:08:52,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:08:52,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:08:52,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:08:52,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:08:52,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:08:52,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:08:52,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:08:52,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:08:52,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:08:52,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:08:52,166 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7559d10-95f9-4a4c-881a-e37c3872ccfb/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 19:08:52,184 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:08:52,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:08:52,185 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:08:52,185 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:08:52,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:08:52,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:08:52,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:08:52,186 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 19:08:52,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:08:52,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 19:08:52,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:08:52,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:08:52,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:08:52,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:08:52,187 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 19:08:52,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:08:52,188 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:08:52,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:08:52,188 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:08:52,188 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:08:52,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:08:52,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:08:52,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:08:52,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:08:52,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:08:52,189 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:08:52,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:08:52,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:08:52,190 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_f7559d10-95f9-4a4c-881a-e37c3872ccfb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7559d10-95f9-4a4c-881a-e37c3872ccfb/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10aecdd717bb6691571ad1da0b912f030832fb85361f767ea82293acfe046216 [2022-12-14 19:08:52,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:08:52,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:08:52,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:08:52,419 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:08:52,420 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:08:52,421 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7559d10-95f9-4a4c-881a-e37c3872ccfb/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i [2022-12-14 19:08:55,123 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:08:55,329 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:08:55,330 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7559d10-95f9-4a4c-881a-e37c3872ccfb/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i [2022-12-14 19:08:55,340 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7559d10-95f9-4a4c-881a-e37c3872ccfb/bin/ukojak-rkRKPMF4O4/data/58ace6664/483aeace48dc4b86a2e6d8ab5bd7336f/FLAG56ca47a91 [2022-12-14 19:08:55,355 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7559d10-95f9-4a4c-881a-e37c3872ccfb/bin/ukojak-rkRKPMF4O4/data/58ace6664/483aeace48dc4b86a2e6d8ab5bd7336f [2022-12-14 19:08:55,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:08:55,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:08:55,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:08:55,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:08:55,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:08:55,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:08:55" (1/1) ... [2022-12-14 19:08:55,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40e69f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:55, skipping insertion in model container [2022-12-14 19:08:55,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:08:55" (1/1) ... [2022-12-14 19:08:55,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:08:55,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:08:55,613 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_f7559d10-95f9-4a4c-881a-e37c3872ccfb/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i[26271,26284] [2022-12-14 19:08:55,618 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_f7559d10-95f9-4a4c-881a-e37c3872ccfb/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i[26396,26409] [2022-12-14 19:08:55,620 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_f7559d10-95f9-4a4c-881a-e37c3872ccfb/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i[26511,26524] [2022-12-14 19:08:55,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:08:55,643 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:08:55,689 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_f7559d10-95f9-4a4c-881a-e37c3872ccfb/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i[26271,26284] [2022-12-14 19:08:55,690 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_f7559d10-95f9-4a4c-881a-e37c3872ccfb/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i[26396,26409] [2022-12-14 19:08:55,691 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_f7559d10-95f9-4a4c-881a-e37c3872ccfb/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i[26511,26524] [2022-12-14 19:08:55,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:08:55,746 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:08:55,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:55 WrapperNode [2022-12-14 19:08:55,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:08:55,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:08:55,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:08:55,747 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:08:55,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:55" (1/1) ... [2022-12-14 19:08:55,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:55" (1/1) ... [2022-12-14 19:08:55,794 INFO L138 Inliner]: procedures = 142, calls = 62, calls flagged for inlining = 15, calls inlined = 14, statements flattened = 161 [2022-12-14 19:08:55,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:08:55,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:08:55,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:08:55,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:08:55,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:55" (1/1) ... [2022-12-14 19:08:55,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:55" (1/1) ... [2022-12-14 19:08:55,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:55" (1/1) ... [2022-12-14 19:08:55,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:55" (1/1) ... [2022-12-14 19:08:55,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:55" (1/1) ... [2022-12-14 19:08:55,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:55" (1/1) ... [2022-12-14 19:08:55,825 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:55" (1/1) ... [2022-12-14 19:08:55,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:55" (1/1) ... [2022-12-14 19:08:55,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:08:55,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:08:55,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:08:55,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:08:55,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:08:55" (1/1) ... [2022-12-14 19:08:55,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:08:55,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7559d10-95f9-4a4c-881a-e37c3872ccfb/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:08:55,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7559d10-95f9-4a4c-881a-e37c3872ccfb/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:08:55,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7559d10-95f9-4a4c-881a-e37c3872ccfb/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:08:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2022-12-14 19:08:55,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2022-12-14 19:08:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2022-12-14 19:08:55,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2022-12-14 19:08:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 19:08:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:08:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 19:08:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2022-12-14 19:08:55,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2022-12-14 19:08:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 19:08:55,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 19:08:55,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 19:08:55,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 19:08:55,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2022-12-14 19:08:55,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2022-12-14 19:08:55,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:08:55,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:08:56,007 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:08:56,009 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:08:56,251 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:08:56,317 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:08:56,318 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-14 19:08:56,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:08:56 BoogieIcfgContainer [2022-12-14 19:08:56,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:08:56,320 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:08:56,320 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:08:56,329 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:08:56,329 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:08:56" (1/1) ... [2022-12-14 19:08:56,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:08:56,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:08:56,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 59 transitions. [2022-12-14 19:08:56,387 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2022-12-14 19:08:56,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 19:08:56,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:08:56,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:08:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:08:56,677 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 19:08:56,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:08:56,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2022-12-14 19:08:56,737 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2022-12-14 19:08:56,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 19:08:56,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:08:56,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:08:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:08:56,800 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 19:08:56,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:08:56,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2022-12-14 19:08:56,843 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2022-12-14 19:08:56,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 19:08:56,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:08:56,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:08:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:08:56,948 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 19:08:57,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:08:57,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 56 states and 76 transitions. [2022-12-14 19:08:57,156 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-12-14 19:08:57,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 19:08:57,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:08:57,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:08:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:08:57,211 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 19:08:57,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:08:57,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 58 states and 78 transitions. [2022-12-14 19:08:57,359 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2022-12-14 19:08:57,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:08:57,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:08:57,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:08:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:08:57,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:08:58,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:08:58,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 65 states and 96 transitions. [2022-12-14 19:08:58,419 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 96 transitions. [2022-12-14 19:08:58,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 19:08:58,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:08:58,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:08:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:09:01,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:09:10,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:09:10,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 77 states and 129 transitions. [2022-12-14 19:09:10,692 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 129 transitions. [2022-12-14 19:09:10,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 19:09:10,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:09:10,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:09:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:09:12,202 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:09:13,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:09:13,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 79 states and 136 transitions. [2022-12-14 19:09:13,242 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 136 transitions. [2022-12-14 19:09:13,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 19:09:13,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:09:13,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:09:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:09:13,489 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 19:09:14,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:09:14,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 81 states and 140 transitions. [2022-12-14 19:09:14,452 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 140 transitions. [2022-12-14 19:09:14,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 19:09:14,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:09:14,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:09:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:09:17,908 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 19:09:21,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:09:21,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 77 states and 129 transitions. [2022-12-14 19:09:21,696 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 129 transitions. [2022-12-14 19:09:21,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 19:09:21,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:09:21,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:09:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:09:26,541 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 19:09:41,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:09:41,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 84 states and 146 transitions. [2022-12-14 19:09:41,805 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 146 transitions. [2022-12-14 19:09:41,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 19:09:41,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:09:41,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:09:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:09:42,030 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 19:09:42,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:09:42,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 86 states and 147 transitions. [2022-12-14 19:09:42,260 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 147 transitions. [2022-12-14 19:09:42,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 19:09:42,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:09:42,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:09:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:09:42,402 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 19:09:46,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:09:46,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 98 states and 175 transitions. [2022-12-14 19:09:46,096 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 175 transitions. [2022-12-14 19:09:46,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 19:09:46,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:09:46,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:09:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:09:49,589 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 19:09:55,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:09:55,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 104 states and 187 transitions. [2022-12-14 19:09:55,009 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 187 transitions. [2022-12-14 19:09:55,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 19:09:55,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:09:55,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:09:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:36,337 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:11:40,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:11:40,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 124 states and 243 transitions. [2022-12-14 19:11:40,637 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 243 transitions. [2022-12-14 19:11:40,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 19:11:40,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:11:40,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:11:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:11:57,708 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 19:12:36,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:12:36,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 132 states and 268 transitions. [2022-12-14 19:12:36,868 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 268 transitions. [2022-12-14 19:12:36,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 19:12:36,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:12:36,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:12:36,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:12:51,497 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 19:13:45,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:13:45,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 150 states and 318 transitions. [2022-12-14 19:13:45,323 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 318 transitions. [2022-12-14 19:13:45,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 19:13:45,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:13:45,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:13:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:13:59,967 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:14:44,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:14:44,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 161 states and 342 transitions. [2022-12-14 19:14:44,732 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 342 transitions. [2022-12-14 19:14:44,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 19:14:44,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:14:44,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:14:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:15:00,106 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:15:28,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:15:28,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 163 states and 351 transitions. [2022-12-14 19:15:28,978 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 351 transitions. [2022-12-14 19:15:28,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 19:15:28,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:15:28,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:15:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:15:50,733 WARN L233 SmtUtils]: Spent 10.25s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:16:23,929 WARN L233 SmtUtils]: Spent 12.76s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:16:30,460 WARN L233 SmtUtils]: Spent 6.53s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:16:46,257 WARN L233 SmtUtils]: Spent 15.54s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:16:56,746 WARN L233 SmtUtils]: Spent 7.96s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:17:17,852 WARN L233 SmtUtils]: Spent 11.16s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:17:32,368 WARN L233 SmtUtils]: Spent 14.52s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:17:41,390 WARN L233 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:17:48,981 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 19:18:28,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:18:28,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 164 states and 355 transitions. [2022-12-14 19:18:28,930 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 355 transitions. [2022-12-14 19:18:28,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 19:18:28,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:18:28,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:18:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:18:57,845 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 19:19:55,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:19:55,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 175 states and 382 transitions. [2022-12-14 19:19:55,799 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 382 transitions. [2022-12-14 19:19:55,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 19:19:55,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:19:55,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:19:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:20:04,431 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:20:42,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:20:42,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 180 states and 395 transitions. [2022-12-14 19:20:42,223 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 395 transitions. [2022-12-14 19:20:42,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 19:20:42,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:20:42,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:20:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:21:06,301 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:21:41,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:21:41,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 181 states and 400 transitions. [2022-12-14 19:21:41,219 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 400 transitions. [2022-12-14 19:21:41,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 19:21:41,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:21:41,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:21:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:21:55,668 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:22:21,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:22:21,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 182 states and 403 transitions. [2022-12-14 19:22:21,537 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 403 transitions. [2022-12-14 19:22:21,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 19:22:21,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:22:21,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:22:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:23:03,077 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.