./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2018/Problem11.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_434267a7-edef-4e65-8ad0-e00368a3b67d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_434267a7-edef-4e65-8ad0-e00368a3b67d/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_434267a7-edef-4e65-8ad0-e00368a3b67d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_434267a7-edef-4e65-8ad0-e00368a3b67d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2018/Problem11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_434267a7-edef-4e65-8ad0-e00368a3b67d/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_434267a7-edef-4e65-8ad0-e00368a3b67d/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 940624650400628fbc547d76c7cce642a9063fb1576962b71733623b165f113e --- 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 19:30:19,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:30:19,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:30:19,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:30:19,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:30:19,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:30:19,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:30:19,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:30:19,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:30:19,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:30:19,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:30:19,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:30:19,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:30:19,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:30:19,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:30:19,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:30:19,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:30:19,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:30:19,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:30:19,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:30:19,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:30:19,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:30:19,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:30:19,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:30:19,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:30:19,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:30:19,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:30:19,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:30:19,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:30:19,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:30:19,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:30:19,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:30:19,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:30:19,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:30:19,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:30:19,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:30:19,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:30:19,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:30:19,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:30:19,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:30:19,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:30:19,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_434267a7-edef-4e65-8ad0-e00368a3b67d/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 19:30:19,600 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:30:19,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:30:19,601 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:30:19,601 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:30:19,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:30:19,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:30:19,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:30:19,602 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 19:30:19,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:30:19,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 19:30:19,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:30:19,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:30:19,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:30:19,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:30:19,604 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 19:30:19,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:30:19,604 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:30:19,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:30:19,604 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:30:19,605 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:30:19,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:30:19,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:30:19,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:30:19,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:30:19,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:30:19,606 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:30:19,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:30:19,606 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:30:19,606 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_434267a7-edef-4e65-8ad0-e00368a3b67d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_434267a7-edef-4e65-8ad0-e00368a3b67d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 940624650400628fbc547d76c7cce642a9063fb1576962b71733623b165f113e [2022-12-14 19:30:19,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:30:19,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:30:19,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:30:19,840 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:30:19,840 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:30:19,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_434267a7-edef-4e65-8ad0-e00368a3b67d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2018/Problem11.c [2022-12-14 19:30:22,496 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:30:22,870 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:30:22,871 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_434267a7-edef-4e65-8ad0-e00368a3b67d/sv-benchmarks/c/eca-rers2018/Problem11.c [2022-12-14 19:30:22,898 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_434267a7-edef-4e65-8ad0-e00368a3b67d/bin/ukojak-rkRKPMF4O4/data/f327518b9/13ac7c4162f34c8c8189cfdd6511ea74/FLAG74234776d [2022-12-14 19:30:22,911 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_434267a7-edef-4e65-8ad0-e00368a3b67d/bin/ukojak-rkRKPMF4O4/data/f327518b9/13ac7c4162f34c8c8189cfdd6511ea74 [2022-12-14 19:30:22,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:30:22,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:30:22,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:30:22,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:30:22,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:30:22,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:30:22" (1/1) ... [2022-12-14 19:30:22,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5baa9c5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:22, skipping insertion in model container [2022-12-14 19:30:22,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:30:22" (1/1) ... [2022-12-14 19:30:22,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:30:22,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:30:23,103 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_434267a7-edef-4e65-8ad0-e00368a3b67d/sv-benchmarks/c/eca-rers2018/Problem11.c[778,791] [2022-12-14 19:30:23,109 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_434267a7-edef-4e65-8ad0-e00368a3b67d/sv-benchmarks/c/eca-rers2018/Problem11.c[817,830] [2022-12-14 19:30:23,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:30:23,682 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:30:23,693 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_434267a7-edef-4e65-8ad0-e00368a3b67d/sv-benchmarks/c/eca-rers2018/Problem11.c[778,791] [2022-12-14 19:30:23,694 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_434267a7-edef-4e65-8ad0-e00368a3b67d/sv-benchmarks/c/eca-rers2018/Problem11.c[817,830] [2022-12-14 19:30:23,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:30:23,880 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:30:23,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:23 WrapperNode [2022-12-14 19:30:23,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:30:23,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:30:23,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:30:23,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:30:23,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:23" (1/1) ... [2022-12-14 19:30:23,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:23" (1/1) ... [2022-12-14 19:30:24,120 INFO L138 Inliner]: procedures = 286, calls = 252, calls flagged for inlining = 148, calls inlined = 148, statements flattened = 1876 [2022-12-14 19:30:24,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:30:24,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:30:24,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:30:24,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:30:24,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:23" (1/1) ... [2022-12-14 19:30:24,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:23" (1/1) ... [2022-12-14 19:30:24,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:23" (1/1) ... [2022-12-14 19:30:24,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:23" (1/1) ... [2022-12-14 19:30:24,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:23" (1/1) ... [2022-12-14 19:30:24,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:23" (1/1) ... [2022-12-14 19:30:24,308 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:23" (1/1) ... [2022-12-14 19:30:24,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:23" (1/1) ... [2022-12-14 19:30:24,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:30:24,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:30:24,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:30:24,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:30:24,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:30:23" (1/1) ... [2022-12-14 19:30:24,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:30:24,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_434267a7-edef-4e65-8ad0-e00368a3b67d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:30:24,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_434267a7-edef-4e65-8ad0-e00368a3b67d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:30:24,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_434267a7-edef-4e65-8ad0-e00368a3b67d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:30:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:30:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_a [2022-12-14 19:30:24,444 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_a [2022-12-14 19:30:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_b [2022-12-14 19:30:24,444 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_b [2022-12-14 19:30:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 19:30:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:30:24,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:30:24,542 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:30:24,544 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:32:42,446 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:32:52,898 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:32:52,898 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 19:32:52,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:32:52 BoogieIcfgContainer [2022-12-14 19:32:52,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:32:52,903 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:32:52,903 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:32:52,910 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:32:52,910 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:32:52" (1/1) ... [2022-12-14 19:32:52,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:32:52,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:32:52,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 312 states and 511 transitions. [2022-12-14 19:32:52,957 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 511 transitions. [2022-12-14 19:32:52,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 19:32:52,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:32:52,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:32:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:32:53,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 19:32:53,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:34:51,843 WARN L233 SmtUtils]: Spent 20.07s 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 19:35:04,587 WARN L233 SmtUtils]: Spent 11.72s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:35:17,398 WARN L233 SmtUtils]: Spent 10.74s 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 19:35:27,860 WARN L233 SmtUtils]: Spent 10.46s 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 19:35:45,560 WARN L233 SmtUtils]: Spent 8.45s 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 19:36:04,413 WARN L233 SmtUtils]: Spent 15.28s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:36:23,884 WARN L233 SmtUtils]: Spent 10.51s 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 19:36:48,532 WARN L233 SmtUtils]: Spent 10.87s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:36:55,940 WARN L233 SmtUtils]: Spent 7.41s on a formula simplification. DAG size of input: 11 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:37:03,269 WARN L233 SmtUtils]: Spent 6.51s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:37:14,038 WARN L233 SmtUtils]: Spent 10.76s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:37:37,531 WARN L233 SmtUtils]: Spent 7.61s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:38:10,463 WARN L233 SmtUtils]: Spent 8.18s 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 19:38:27,452 WARN L233 SmtUtils]: Spent 5.29s 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 19:38:34,266 WARN L233 SmtUtils]: Spent 6.81s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:39:03,367 WARN L233 SmtUtils]: Spent 20.07s 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 19:39:14,625 WARN L233 SmtUtils]: Spent 11.26s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:39:26,340 WARN L233 SmtUtils]: Spent 10.18s 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 19:40:09,211 WARN L233 SmtUtils]: Spent 6.36s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:40:19,897 WARN L233 SmtUtils]: Spent 10.68s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:40:56,007 WARN L233 SmtUtils]: Spent 7.35s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:41:16,014 WARN L233 SmtUtils]: Spent 14.26s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:41:35,790 WARN L233 SmtUtils]: Spent 6.77s 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 19:41:59,925 WARN L233 SmtUtils]: Spent 5.61s 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 19:42:27,113 WARN L233 SmtUtils]: Spent 20.10s 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 19:42:38,401 WARN L233 SmtUtils]: Spent 11.29s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:42:50,337 WARN L233 SmtUtils]: Spent 10.65s 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 19:43:13,253 WARN L233 SmtUtils]: Spent 9.73s 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 19:43:20,046 WARN L233 SmtUtils]: Spent 6.79s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:43:40,737 WARN L233 SmtUtils]: Spent 12.05s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:44:03,375 WARN L233 SmtUtils]: Spent 6.77s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:44:12,031 WARN L233 SmtUtils]: Spent 7.48s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:44:18,286 WARN L233 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:44:29,516 WARN L233 SmtUtils]: Spent 11.23s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:45:02,171 WARN L233 SmtUtils]: Spent 6.07s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 19:45:20,111 WARN L233 SmtUtils]: Spent 10.90s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)