./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_17a-ps_add1_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2cb9aef-fbc7-4f78-aba0-591810750da6/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2cb9aef-fbc7-4f78-aba0-591810750da6/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2cb9aef-fbc7-4f78-aba0-591810750da6/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2cb9aef-fbc7-4f78-aba0-591810750da6/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_17a-ps_add1_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2cb9aef-fbc7-4f78-aba0-591810750da6/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2cb9aef-fbc7-4f78-aba0-591810750da6/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7a262e05e4496d34901f24af4dfa792436c621eaf484a3e13626b3b224666ac4 --- 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 [2022-12-13 16:15:00,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:15:00,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:15:00,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:15:00,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:15:00,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:15:00,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:15:00,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:15:00,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:15:00,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:15:00,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:15:00,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:15:00,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:15:00,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:15:00,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:15:00,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:15:00,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:15:00,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:15:00,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:15:00,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:15:00,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:15:00,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:15:00,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:15:00,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:15:00,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:15:00,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:15:00,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:15:00,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:15:00,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:15:00,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:15:00,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:15:00,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:15:00,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:15:00,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:15:00,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:15:00,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:15:00,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:15:00,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:15:00,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:15:00,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:15:00,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:15:00,494 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2cb9aef-fbc7-4f78-aba0-591810750da6/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 16:15:00,508 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:15:00,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:15:00,509 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:15:00,509 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:15:00,509 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:15:00,509 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:15:00,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:15:00,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:15:00,510 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:15:00,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:15:00,510 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 16:15:00,511 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:15:00,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:15:00,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 16:15:00,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:15:00,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:15:00,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:15:00,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:15:00,512 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 16:15:00,512 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 16:15:00,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:15:00,512 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:15:00,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:15:00,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:15:00,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:15:00,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:15:00,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:15:00,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:15:00,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:15:00,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:15:00,513 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:15:00,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:15:00,514 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:15:00,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:15:00,514 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:15:00,514 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:15:00,514 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:15:00,514 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b2cb9aef-fbc7-4f78-aba0-591810750da6/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2cb9aef-fbc7-4f78-aba0-591810750da6/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a262e05e4496d34901f24af4dfa792436c621eaf484a3e13626b3b224666ac4 [2022-12-13 16:15:00,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:15:00,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:15:00,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:15:00,727 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:15:00,728 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:15:00,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2cb9aef-fbc7-4f78-aba0-591810750da6/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/04-mutex_17a-ps_add1_nr.i [2022-12-13 16:15:03,316 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:15:03,517 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:15:03,517 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2cb9aef-fbc7-4f78-aba0-591810750da6/sv-benchmarks/c/goblint-regression/04-mutex_17a-ps_add1_nr.i [2022-12-13 16:15:03,529 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2cb9aef-fbc7-4f78-aba0-591810750da6/bin/uautomizer-uyxdKDjOR8/data/27c7d67b6/cd973313fbe546a59a9bcd472efb9642/FLAG5e2afd811 [2022-12-13 16:15:03,540 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2cb9aef-fbc7-4f78-aba0-591810750da6/bin/uautomizer-uyxdKDjOR8/data/27c7d67b6/cd973313fbe546a59a9bcd472efb9642 [2022-12-13 16:15:03,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:15:03,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:15:03,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:15:03,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:15:03,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:15:03,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:15:03" (1/1) ... [2022-12-13 16:15:03,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@666148cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:15:03, skipping insertion in model container [2022-12-13 16:15:03,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:15:03" (1/1) ... [2022-12-13 16:15:03,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:15:03,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:15:03,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:15:03,919 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:15:03,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:15:03,975 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:15:03,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:15:03 WrapperNode [2022-12-13 16:15:03,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:15:03,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:15:03,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:15:03,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:15:03,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:15:03" (1/1) ... [2022-12-13 16:15:03,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:15:03" (1/1) ... [2022-12-13 16:15:04,005 INFO L138 Inliner]: procedures = 266, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2022-12-13 16:15:04,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:15:04,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:15:04,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:15:04,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:15:04,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:15:03" (1/1) ... [2022-12-13 16:15:04,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:15:03" (1/1) ... [2022-12-13 16:15:04,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:15:03" (1/1) ... [2022-12-13 16:15:04,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:15:03" (1/1) ... [2022-12-13 16:15:04,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:15:03" (1/1) ... [2022-12-13 16:15:04,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:15:03" (1/1) ... [2022-12-13 16:15:04,020 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:15:03" (1/1) ... [2022-12-13 16:15:04,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:15:03" (1/1) ... [2022-12-13 16:15:04,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:15:04,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:15:04,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:15:04,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:15:04,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:15:03" (1/1) ... [2022-12-13 16:15:04,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:15:04,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2cb9aef-fbc7-4f78-aba0-591810750da6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:15:04,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2cb9aef-fbc7-4f78-aba0-591810750da6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:15:04,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2cb9aef-fbc7-4f78-aba0-591810750da6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:15:04,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 16:15:04,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 16:15:04,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 16:15:04,077 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 16:15:04,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:15:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 16:15:04,078 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 16:15:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:15:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:15:04,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:15:04,079 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 16:15:04,174 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:15:04,175 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:15:04,292 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:15:04,299 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:15:04,299 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:15:04,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:15:04 BoogieIcfgContainer [2022-12-13 16:15:04,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:15:04,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:15:04,303 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:15:04,305 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:15:04,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:15:03" (1/3) ... [2022-12-13 16:15:04,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a75e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:15:04, skipping insertion in model container [2022-12-13 16:15:04,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:15:03" (2/3) ... [2022-12-13 16:15:04,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a75e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:15:04, skipping insertion in model container [2022-12-13 16:15:04,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:15:04" (3/3) ... [2022-12-13 16:15:04,307 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_17a-ps_add1_nr.i [2022-12-13 16:15:04,314 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 16:15:04,321 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:15:04,322 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-12-13 16:15:04,322 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 16:15:04,369 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 16:15:04,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 83 transitions, 171 flow [2022-12-13 16:15:04,447 INFO L130 PetriNetUnfolder]: 3/82 cut-off events. [2022-12-13 16:15:04,447 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 16:15:04,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 82 events. 3/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 58. Up to 2 conditions per place. [2022-12-13 16:15:04,451 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 83 transitions, 171 flow [2022-12-13 16:15:04,455 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 82 transitions, 167 flow [2022-12-13 16:15:04,459 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 16:15:04,468 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 82 transitions, 167 flow [2022-12-13 16:15:04,471 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 82 transitions, 167 flow [2022-12-13 16:15:04,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 82 transitions, 167 flow [2022-12-13 16:15:04,491 INFO L130 PetriNetUnfolder]: 3/82 cut-off events. [2022-12-13 16:15:04,492 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 16:15:04,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 82 events. 3/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 58. Up to 2 conditions per place. [2022-12-13 16:15:04,493 INFO L119 LiptonReduction]: Number of co-enabled transitions 1170 [2022-12-13 16:15:06,380 INFO L134 LiptonReduction]: Checked pairs total: 2078 [2022-12-13 16:15:06,380 INFO L136 LiptonReduction]: Total number of compositions: 89 [2022-12-13 16:15:06,393 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:15:06,397 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@145b55ea, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:15:06,397 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-12-13 16:15:06,399 INFO L130 PetriNetUnfolder]: 0/3 cut-off events. [2022-12-13 16:15:06,399 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 16:15:06,400 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:15:06,400 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-13 16:15:06,400 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-12-13 16:15:06,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:15:06,404 INFO L85 PathProgramCache]: Analyzing trace with hash 305097, now seen corresponding path program 1 times [2022-12-13 16:15:06,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:15:06,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39819308] [2022-12-13 16:15:06,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:15:06,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:15:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:15:06,487 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:15:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:15:06,511 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:15:06,512 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 16:15:06,513 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 13 remaining) [2022-12-13 16:15:06,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 13 remaining) [2022-12-13 16:15:06,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 13 remaining) [2022-12-13 16:15:06,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 13 remaining) [2022-12-13 16:15:06,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 13 remaining) [2022-12-13 16:15:06,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 13 remaining) [2022-12-13 16:15:06,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 13 remaining) [2022-12-13 16:15:06,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 13 remaining) [2022-12-13 16:15:06,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 13 remaining) [2022-12-13 16:15:06,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 13 remaining) [2022-12-13 16:15:06,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 13 remaining) [2022-12-13 16:15:06,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 13 remaining) [2022-12-13 16:15:06,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 13 remaining) [2022-12-13 16:15:06,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:15:06,517 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 16:15:06,523 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 16:15:06,523 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:15:06,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:15:06 BasicIcfg [2022-12-13 16:15:06,535 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:15:06,535 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:15:06,535 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:15:06,535 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:15:06,536 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:15:04" (3/4) ... [2022-12-13 16:15:06,537 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 16:15:06,559 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2cb9aef-fbc7-4f78-aba0-591810750da6/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 16:15:06,559 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:15:06,560 INFO L158 Benchmark]: Toolchain (without parser) took 3016.31ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 102.2MB in the beginning and 92.5MB in the end (delta: 9.8MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2022-12-13 16:15:06,560 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 136.3MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:15:06,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.55ms. Allocated memory is still 136.3MB. Free memory was 102.2MB in the beginning and 87.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 16:15:06,561 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.45ms. Allocated memory is still 136.3MB. Free memory was 86.7MB in the beginning and 84.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:15:06,561 INFO L158 Benchmark]: Boogie Preprocessor took 16.03ms. Allocated memory is still 136.3MB. Free memory was 84.6MB in the beginning and 83.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:15:06,561 INFO L158 Benchmark]: RCFGBuilder took 278.41ms. Allocated memory is still 136.3MB. Free memory was 83.3MB in the beginning and 70.4MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 16:15:06,562 INFO L158 Benchmark]: TraceAbstraction took 2231.99ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 69.5MB in the beginning and 93.6MB in the end (delta: -24.1MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2022-12-13 16:15:06,562 INFO L158 Benchmark]: Witness Printer took 23.84ms. Allocated memory is still 163.6MB. Free memory was 93.6MB in the beginning and 92.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:15:06,564 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 136.3MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.55ms. Allocated memory is still 136.3MB. Free memory was 102.2MB in the beginning and 87.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.45ms. Allocated memory is still 136.3MB. Free memory was 86.7MB in the beginning and 84.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.03ms. Allocated memory is still 136.3MB. Free memory was 84.6MB in the beginning and 83.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 278.41ms. Allocated memory is still 136.3MB. Free memory was 83.3MB in the beginning and 70.4MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2231.99ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 69.5MB in the beginning and 93.6MB in the end (delta: -24.1MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * Witness Printer took 23.84ms. Allocated memory is still 163.6MB. Free memory was 93.6MB in the beginning and 92.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.9s, 83 PlacesBefore, 24 PlacesAfterwards, 82 TransitionsBefore, 21 TransitionsAfterwards, 1170 CoEnabledTransitionPairs, 6 FixpointIterations, 22 TrivialSequentialCompositions, 60 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 89 TotalNumberOfCompositions, 2078 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1298, independent: 1209, independent conditional: 0, independent unconditional: 1209, dependent: 89, dependent conditional: 0, dependent unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 699, independent: 674, independent conditional: 0, independent unconditional: 674, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1298, independent: 535, independent conditional: 0, independent unconditional: 535, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 699, unknown conditional: 0, unknown unconditional: 699] , Statistics on independence cache: Total cache size (in pairs): 42, Positive cache size: 32, Positive conditional cache size: 0, Positive unconditional cache size: 32, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 944]: integer overflow possible integer overflow possible We found a FailurePath: [L928] 0 int glob; [L929] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L937] 0 int i = __VERIFIER_nondet_int(); [L938] 0 pthread_t id; [L939] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, i=2147483647, id={2:0}, m={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L941] COND TRUE 0 \read(i) [L944] 0 i++ VAL [arg={0:0}, glob=0, i=2147483647, i++=2147483647, id={2:0}, m={1:0}] - UnprovableResult [Line: 944]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 945]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 945]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 946]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 946]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 948]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 948]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 96 locations, 13 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 16:15:06,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2cb9aef-fbc7-4f78-aba0-591810750da6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)