./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.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_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/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_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/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_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/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 be26aee373dea132861f472d332ff07e499ea6fa9932dcbe3fa1a7df50848fdc --- 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 16:50:14,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:50:14,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:50:14,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:50:14,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:50:14,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:50:14,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:50:14,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:50:14,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:50:14,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:50:14,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:50:14,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:50:14,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:50:14,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:50:14,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:50:14,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:50:14,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:50:14,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:50:14,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:50:14,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:50:14,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:50:14,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:50:14,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:50:14,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:50:14,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:50:14,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:50:14,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:50:14,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:50:14,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:50:14,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:50:14,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:50:14,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:50:14,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:50:14,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:50:14,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:50:14,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:50:14,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:50:14,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:50:14,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:50:14,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:50:14,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:50:14,390 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:50:14,430 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:50:14,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:50:14,432 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:50:14,432 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:50:14,433 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:50:14,433 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:50:14,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:50:14,434 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:50:14,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:50:14,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:50:14,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:50:14,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:50:14,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:50:14,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:50:14,436 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:50:14,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:50:14,437 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:50:14,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:50:14,437 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:50:14,437 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:50:14,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:50:14,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:14,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:50:14,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:50:14,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:50:14,439 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:50:14,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:50:14,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:50:14,439 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_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be26aee373dea132861f472d332ff07e499ea6fa9932dcbe3fa1a7df50848fdc [2022-10-17 16:50:14,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:50:14,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:50:14,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:50:14,760 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:50:14,761 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:50:14,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-17 16:50:14,856 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/bin/ukojak-92XMlrwhuB/data/60ac81bdc/356ade5b9c2741ad978d7be2c93bd779/FLAGd17d37640 [2022-10-17 16:50:15,589 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:50:15,590 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-17 16:50:15,636 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/bin/ukojak-92XMlrwhuB/data/60ac81bdc/356ade5b9c2741ad978d7be2c93bd779/FLAGd17d37640 [2022-10-17 16:50:15,796 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/bin/ukojak-92XMlrwhuB/data/60ac81bdc/356ade5b9c2741ad978d7be2c93bd779 [2022-10-17 16:50:15,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:50:15,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:50:15,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:15,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:50:15,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:50:15,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:15" (1/1) ... [2022-10-17 16:50:15,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20832690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:15, skipping insertion in model container [2022-10-17 16:50:15,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:15" (1/1) ... [2022-10-17 16:50:15,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:50:15,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:50:16,445 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_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15187,15200] [2022-10-17 16:50:16,460 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_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15834,15847] [2022-10-17 16:50:16,479 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_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[17175,17188] [2022-10-17 16:50:16,496 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_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[18235,18248] [2022-10-17 16:50:16,601 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_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[27520,27533] [2022-10-17 16:50:16,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:16,750 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:50:17,017 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_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15187,15200] [2022-10-17 16:50:17,042 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_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15834,15847] [2022-10-17 16:50:17,084 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_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[17175,17188] [2022-10-17 16:50:17,108 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_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[18235,18248] [2022-10-17 16:50:17,169 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_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[27520,27533] [2022-10-17 16:50:17,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:17,234 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:50:17,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:17 WrapperNode [2022-10-17 16:50:17,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:17,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:17,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:50:17,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:50:17,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:17" (1/1) ... [2022-10-17 16:50:17,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:17" (1/1) ... [2022-10-17 16:50:17,355 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1659 [2022-10-17 16:50:17,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:17,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:50:17,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:50:17,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:50:17,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:17" (1/1) ... [2022-10-17 16:50:17,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:17" (1/1) ... [2022-10-17 16:50:17,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:17" (1/1) ... [2022-10-17 16:50:17,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:17" (1/1) ... [2022-10-17 16:50:17,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:17" (1/1) ... [2022-10-17 16:50:17,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:17" (1/1) ... [2022-10-17 16:50:17,449 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:17" (1/1) ... [2022-10-17 16:50:17,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:17" (1/1) ... [2022-10-17 16:50:17,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:50:17,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:50:17,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:50:17,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:50:17,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:17" (1/1) ... [2022-10-17 16:50:17,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:17,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:50:17,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:50:17,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c787ddc5-1ae0-4a31-b3f0-e9920abb5f24/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:50:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:50:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:50:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:50:17,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:50:17,756 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:50:17,772 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:50:19,540 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:50:20,178 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:50:20,179 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:50:20,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:20 BoogieIcfgContainer [2022-10-17 16:50:20,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:50:20,189 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:50:20,190 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:50:20,203 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:50:20,203 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:20" (1/1) ... [2022-10-17 16:50:20,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:50:20,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:20,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 296 states and 526 transitions. [2022-10-17 16:50:20,333 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 526 transitions. [2022-10-17 16:50:20,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-17 16:50:20,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:20,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:22,497 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 16:50:22,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:22,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 302 states and 539 transitions. [2022-10-17 16:50:22,834 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 539 transitions. [2022-10-17 16:50:22,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-17 16:50:22,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:22,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:23,038 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 16:50:23,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:23,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 308 states and 552 transitions. [2022-10-17 16:50:23,363 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 552 transitions. [2022-10-17 16:50:23,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-17 16:50:23,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:23,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:23,574 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 16:50:23,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:23,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 310 states and 554 transitions. [2022-10-17 16:50:23,659 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 554 transitions. [2022-10-17 16:50:23,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-17 16:50:23,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:23,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:23,833 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 16:50:24,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:24,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 312 states and 558 transitions. [2022-10-17 16:50:24,327 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 558 transitions. [2022-10-17 16:50:24,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-17 16:50:24,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:24,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:24,503 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 16:50:24,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:24,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 312 states and 555 transitions. [2022-10-17 16:50:24,569 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 555 transitions. [2022-10-17 16:50:24,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-17 16:50:24,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:24,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:24,815 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 16:50:25,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:25,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 356 states and 647 transitions. [2022-10-17 16:50:25,325 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 647 transitions. [2022-10-17 16:50:25,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-17 16:50:25,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:25,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:25,564 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 16:50:25,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:25,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 354 states and 641 transitions. [2022-10-17 16:50:25,639 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 641 transitions. [2022-10-17 16:50:25,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-17 16:50:25,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:25,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:25,823 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 16:50:26,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:26,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 397 states and 730 transitions. [2022-10-17 16:50:26,164 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 730 transitions. [2022-10-17 16:50:26,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-17 16:50:26,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:26,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:26,368 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 16:50:26,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:26,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 396 states and 727 transitions. [2022-10-17 16:50:26,449 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 727 transitions. [2022-10-17 16:50:26,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-17 16:50:26,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:26,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:27,565 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 16:50:30,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:30,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 472 states and 889 transitions. [2022-10-17 16:50:30,975 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 889 transitions. [2022-10-17 16:50:30,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-17 16:50:30,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:30,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:32,263 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 16:50:37,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:37,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 487 states and 924 transitions. [2022-10-17 16:50:37,088 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 924 transitions. [2022-10-17 16:50:37,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-17 16:50:37,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:37,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:37,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.