./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e4d6e2-605f-47d0-b175-56b422421396/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e4d6e2-605f-47d0-b175-56b422421396/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e4d6e2-605f-47d0-b175-56b422421396/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e4d6e2-605f-47d0-b175-56b422421396/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e4d6e2-605f-47d0-b175-56b422421396/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e4d6e2-605f-47d0-b175-56b422421396/bin/ukojak-92XMlrwhuB --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 21f8745a4b7dc6c318e9cfa92c5330ecd148615dc4c561afd5b7113093125b70 --- 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-dbf71c6-m [2022-10-17 16:37:51,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:37:51,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:37:51,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:37:51,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:37:51,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:37:51,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:37:51,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:37:51,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:37:51,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:37:51,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:37:51,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:37:51,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:37:51,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:37:51,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:37:51,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:37:51,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:37:51,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:37:51,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:37:51,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:37:51,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:37:51,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:37:51,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:37:51,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:37:51,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:37:51,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:37:51,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:37:51,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:37:51,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:37:51,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:37:51,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:37:51,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:37:51,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:37:51,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:37:51,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:37:51,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:37:51,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:37:51,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:37:51,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:37:51,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:37:51,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:37:51,715 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e4d6e2-605f-47d0-b175-56b422421396/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:37:51,759 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:37:51,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:37:51,761 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:37:51,761 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:37:51,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:37:51,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:37:51,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:37:51,763 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:37:51,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:37:51,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:37:51,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:37:51,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:37:51,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:37:51,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:37:51,767 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:37:51,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:37:51,768 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:37:51,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:37:51,768 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:37:51,769 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:37:51,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:37:51,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:51,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:37:51,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:37:51,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:37:51,770 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:37:51,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:37:51,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:37:51,771 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_b9e4d6e2-605f-47d0-b175-56b422421396/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e4d6e2-605f-47d0-b175-56b422421396/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21f8745a4b7dc6c318e9cfa92c5330ecd148615dc4c561afd5b7113093125b70 [2022-10-17 16:37:52,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:37:52,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:37:52,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:37:52,182 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:37:52,183 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:37:52,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e4d6e2-605f-47d0-b175-56b422421396/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-17 16:37:52,271 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e4d6e2-605f-47d0-b175-56b422421396/bin/ukojak-92XMlrwhuB/data/107d9c9b8/1fd4972d44c14ebc87fba0edd83857fe/FLAG058cc415a [2022-10-17 16:37:52,833 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:37:52,834 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e4d6e2-605f-47d0-b175-56b422421396/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-17 16:37:52,855 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e4d6e2-605f-47d0-b175-56b422421396/bin/ukojak-92XMlrwhuB/data/107d9c9b8/1fd4972d44c14ebc87fba0edd83857fe/FLAG058cc415a [2022-10-17 16:37:53,129 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e4d6e2-605f-47d0-b175-56b422421396/bin/ukojak-92XMlrwhuB/data/107d9c9b8/1fd4972d44c14ebc87fba0edd83857fe [2022-10-17 16:37:53,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:37:53,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:37:53,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:53,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:37:53,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:37:53,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:53" (1/1) ... [2022-10-17 16:37:53,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@626fbc1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:53, skipping insertion in model container [2022-10-17 16:37:53,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:53" (1/1) ... [2022-10-17 16:37:53,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:37:53,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:37:53,622 WARN L230 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_b9e4d6e2-605f-47d0-b175-56b422421396/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[9615,9628] [2022-10-17 16:37:53,647 WARN L230 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_b9e4d6e2-605f-47d0-b175-56b422421396/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[11969,11982] [2022-10-17 16:37:53,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:53,752 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:37:53,835 WARN L230 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_b9e4d6e2-605f-47d0-b175-56b422421396/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[9615,9628] [2022-10-17 16:37:53,850 WARN L230 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_b9e4d6e2-605f-47d0-b175-56b422421396/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[11969,11982] [2022-10-17 16:37:53,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:53,932 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:37:53,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:53 WrapperNode [2022-10-17 16:37:53,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:53,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:53,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:37:53,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:37:53,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:53" (1/1) ... [2022-10-17 16:37:53,980 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:53" (1/1) ... [2022-10-17 16:37:54,059 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 966 [2022-10-17 16:37:54,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:54,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:37:54,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:37:54,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:37:54,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:53" (1/1) ... [2022-10-17 16:37:54,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:53" (1/1) ... [2022-10-17 16:37:54,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:53" (1/1) ... [2022-10-17 16:37:54,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:53" (1/1) ... [2022-10-17 16:37:54,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:53" (1/1) ... [2022-10-17 16:37:54,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:53" (1/1) ... [2022-10-17 16:37:54,106 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:53" (1/1) ... [2022-10-17 16:37:54,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:53" (1/1) ... [2022-10-17 16:37:54,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:37:54,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:37:54,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:37:54,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:37:54,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:53" (1/1) ... [2022-10-17 16:37:54,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:54,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e4d6e2-605f-47d0-b175-56b422421396/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:37:54,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e4d6e2-605f-47d0-b175-56b422421396/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:37:54,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e4d6e2-605f-47d0-b175-56b422421396/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:37:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:37:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:37:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:37:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:37:54,486 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:37:54,488 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:37:55,362 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:37:55,671 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:37:55,671 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:37:55,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:55 BoogieIcfgContainer [2022-10-17 16:37:55,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:37:55,676 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:37:55,676 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:37:55,687 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:37:55,688 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:55" (1/1) ... [2022-10-17 16:37:55,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:37:55,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:55,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 169 states and 296 transitions. [2022-10-17 16:37:55,758 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 296 transitions. [2022-10-17 16:37:55,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-17 16:37:55,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:55,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:57,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:57,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:57,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 179 states and 314 transitions. [2022-10-17 16:37:57,503 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 314 transitions. [2022-10-17 16:37:57,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 16:37:57,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:57,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:57,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:58,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:58,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 179 states and 313 transitions. [2022-10-17 16:37:58,495 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 313 transitions. [2022-10-17 16:37:58,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 16:37:58,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:58,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:59,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:59,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:59,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 180 states and 314 transitions. [2022-10-17 16:37:59,212 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 314 transitions. [2022-10-17 16:37:59,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 16:37:59,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:59,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:00,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:02,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:02,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 194 states and 342 transitions. [2022-10-17 16:38:02,465 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 342 transitions. [2022-10-17 16:38:02,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 16:38:02,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:02,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:02,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:06,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:06,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 205 states and 364 transitions. [2022-10-17 16:38:06,522 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 364 transitions. [2022-10-17 16:38:06,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 16:38:06,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:06,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:06,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:07,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:10,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:10,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 212 states and 377 transitions. [2022-10-17 16:38:10,854 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 377 transitions. [2022-10-17 16:38:10,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 16:38:10,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:10,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:11,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:17,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:17,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 219 states and 394 transitions. [2022-10-17 16:38:17,477 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 394 transitions. [2022-10-17 16:38:17,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 16:38:17,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:17,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:18,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.