./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix009.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_1c9c2eae-a652-4ae3-ab47-75d0afbd6ff6/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9c2eae-a652-4ae3-ab47-75d0afbd6ff6/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9c2eae-a652-4ae3-ab47-75d0afbd6ff6/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9c2eae-a652-4ae3-ab47-75d0afbd6ff6/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix009.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9c2eae-a652-4ae3-ab47-75d0afbd6ff6/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9c2eae-a652-4ae3-ab47-75d0afbd6ff6/bin/uautomizer-ug76WZFUDN --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 f715026b68e9c0bb30969d2f1713e0cf615763357ccfdf3c82e016d450119958 --- 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-6b4ec56 [2022-11-20 12:02:15,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:02:15,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:02:15,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:02:15,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:02:15,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:02:15,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:02:15,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:02:15,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:02:15,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:02:15,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:02:15,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:02:15,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:02:15,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:02:15,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:02:15,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:02:15,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:02:15,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:02:15,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:02:15,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:02:15,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:02:15,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:02:15,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:02:15,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:02:15,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:02:15,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:02:15,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:02:15,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:02:15,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:02:15,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:02:15,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:02:15,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:02:15,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:02:15,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:02:15,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:02:15,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:02:15,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:02:15,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:02:15,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:02:15,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:02:15,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:02:15,640 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9c2eae-a652-4ae3-ab47-75d0afbd6ff6/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-20 12:02:15,694 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:02:15,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:02:15,696 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:02:15,696 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:02:15,697 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:02:15,697 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:02:15,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:02:15,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:02:15,699 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:02:15,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:02:15,701 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:02:15,701 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:02:15,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:02:15,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:02:15,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:02:15,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:02:15,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:02:15,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:02:15,703 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 12:02:15,703 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:02:15,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:02:15,704 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:02:15,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:02:15,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:02:15,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:02:15,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:02:15,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:02:15,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:02:15,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:02:15,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:02:15,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:02:15,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:02:15,708 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:02:15,709 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:02:15,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:02:15,709 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_1c9c2eae-a652-4ae3-ab47-75d0afbd6ff6/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9c2eae-a652-4ae3-ab47-75d0afbd6ff6/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f715026b68e9c0bb30969d2f1713e0cf615763357ccfdf3c82e016d450119958 [2022-11-20 12:02:16,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:02:16,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:02:16,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:02:16,158 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:02:16,158 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:02:16,160 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9c2eae-a652-4ae3-ab47-75d0afbd6ff6/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/pthread-wmm/mix009.opt.i [2022-11-20 12:02:19,681 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:02:19,988 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:02:19,989 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9c2eae-a652-4ae3-ab47-75d0afbd6ff6/sv-benchmarks/c/pthread-wmm/mix009.opt.i [2022-11-20 12:02:20,008 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9c2eae-a652-4ae3-ab47-75d0afbd6ff6/bin/uautomizer-ug76WZFUDN/data/dd7c891f4/39ae1c1ee3654062b3c8a7260672f092/FLAG380335e69 [2022-11-20 12:02:20,027 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9c2eae-a652-4ae3-ab47-75d0afbd6ff6/bin/uautomizer-ug76WZFUDN/data/dd7c891f4/39ae1c1ee3654062b3c8a7260672f092 [2022-11-20 12:02:20,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:02:20,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:02:20,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:02:20,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:02:20,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:02:20,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:02:20" (1/1) ... [2022-11-20 12:02:20,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ec4ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:20, skipping insertion in model container [2022-11-20 12:02:20,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:02:20" (1/1) ... [2022-11-20 12:02:20,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:02:20,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:02:20,324 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_1c9c2eae-a652-4ae3-ab47-75d0afbd6ff6/sv-benchmarks/c/pthread-wmm/mix009.opt.i[987,1000] [2022-11-20 12:02:20,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:02:20,685 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:02:20,707 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_1c9c2eae-a652-4ae3-ab47-75d0afbd6ff6/sv-benchmarks/c/pthread-wmm/mix009.opt.i[987,1000] [2022-11-20 12:02:20,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:02:20,858 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:02:20,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:20 WrapperNode [2022-11-20 12:02:20,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:02:20,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:02:20,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:02:20,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:02:20,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:20" (1/1) ... [2022-11-20 12:02:20,906 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:20" (1/1) ... [2022-11-20 12:02:20,966 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 136 [2022-11-20 12:02:20,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:02:20,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:02:20,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:02:20,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:02:20,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:20" (1/1) ... [2022-11-20 12:02:20,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:20" (1/1) ... [2022-11-20 12:02:20,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:20" (1/1) ... [2022-11-20 12:02:21,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:20" (1/1) ... [2022-11-20 12:02:21,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:20" (1/1) ... [2022-11-20 12:02:21,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:20" (1/1) ... [2022-11-20 12:02:21,031 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:20" (1/1) ... [2022-11-20 12:02:21,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:20" (1/1) ... [2022-11-20 12:02:21,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:02:21,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:02:21,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:02:21,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:02:21,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:20" (1/1) ... [2022-11-20 12:02:21,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:02:21,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9c2eae-a652-4ae3-ab47-75d0afbd6ff6/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:02:21,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9c2eae-a652-4ae3-ab47-75d0afbd6ff6/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:02:21,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9c2eae-a652-4ae3-ab47-75d0afbd6ff6/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:02:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:02:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 12:02:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:02:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:02:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:02:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-20 12:02:21,173 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-20 12:02:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-20 12:02:21,174 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-20 12:02:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:02:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 12:02:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:02:21,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:02:21,212 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 12:02:21,463 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:02:21,481 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:02:21,911 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:02:22,116 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:02:22,116 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 12:02:22,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:02:22 BoogieIcfgContainer [2022-11-20 12:02:22,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:02:22,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:02:22,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:02:22,128 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:02:22,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:02:20" (1/3) ... [2022-11-20 12:02:22,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16b6f97b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:02:22, skipping insertion in model container [2022-11-20 12:02:22,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:02:20" (2/3) ... [2022-11-20 12:02:22,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16b6f97b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:02:22, skipping insertion in model container [2022-11-20 12:02:22,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:02:22" (3/3) ... [2022-11-20 12:02:22,132 INFO L112 eAbstractionObserver]: Analyzing ICFG mix009.opt.i [2022-11-20 12:02:22,144 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 12:02:22,157 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:02:22,158 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-20 12:02:22,158 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 12:02:22,238 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 12:02:22,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 107 places, 102 transitions, 214 flow [2022-11-20 12:02:22,372 INFO L130 PetriNetUnfolder]: 2/100 cut-off events. [2022-11-20 12:02:22,373 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 12:02:22,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 100 events. 2/100 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 56 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2022-11-20 12:02:22,379 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 102 transitions, 214 flow [2022-11-20 12:02:22,385 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 100 transitions, 206 flow [2022-11-20 12:02:22,416 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:02:22,427 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;@6b32b335, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:02:22,428 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-20 12:02:22,461 INFO L130 PetriNetUnfolder]: 0/53 cut-off events. [2022-11-20 12:02:22,464 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 12:02:22,465 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:02:22,466 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:02:22,467 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-20 12:02:22,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:02:22,475 INFO L85 PathProgramCache]: Analyzing trace with hash 664328077, now seen corresponding path program 1 times [2022-11-20 12:02:22,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:02:22,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136235876] [2022-11-20 12:02:22,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:02:22,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:02:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:23,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:02:23,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:02:23,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136235876] [2022-11-20 12:02:23,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136235876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:02:23,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:02:23,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:02:23,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794257179] [2022-11-20 12:02:23,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:02:23,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:02:23,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:02:23,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:02:23,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:02:23,199 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 102 [2022-11-20 12:02:23,202 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 100 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:02:23,202 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:02:23,202 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 102 [2022-11-20 12:02:23,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:02:23,478 INFO L130 PetriNetUnfolder]: 62/250 cut-off events. [2022-11-20 12:02:23,478 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-20 12:02:23,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 385 conditions, 250 events. 62/250 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1106 event pairs, 24 based on Foata normal form. 29/259 useless extension candidates. Maximal degree in co-relation 334. Up to 73 conditions per place. [2022-11-20 12:02:23,487 INFO L137 encePairwiseOnDemand]: 93/102 looper letters, 19 selfloop transitions, 3 changer transitions 2/106 dead transitions. [2022-11-20 12:02:23,487 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 106 transitions, 269 flow [2022-11-20 12:02:23,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:02:23,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:02:23,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions. [2022-11-20 12:02:23,513 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9281045751633987 [2022-11-20 12:02:23,514 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 284 transitions. [2022-11-20 12:02:23,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 284 transitions. [2022-11-20 12:02:23,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:02:23,523 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 284 transitions. [2022-11-20 12:02:23,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:02:23,539 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 102.0) internal successors, (408), 4 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:02:23,540 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 102.0) internal successors, (408), 4 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:02:23,543 INFO L175 Difference]: Start difference. First operand has 105 places, 100 transitions, 206 flow. Second operand 3 states and 284 transitions. [2022-11-20 12:02:23,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 106 transitions, 269 flow [2022-11-20 12:02:23,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 106 transitions, 266 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:02:23,561 INFO L231 Difference]: Finished difference. Result has 105 places, 97 transitions, 215 flow [2022-11-20 12:02:23,563 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=215, PETRI_PLACES=105, PETRI_TRANSITIONS=97} [2022-11-20 12:02:23,570 INFO L288 CegarLoopForPetriNet]: 105 programPoint places, 0 predicate places. [2022-11-20 12:02:23,571 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 97 transitions, 215 flow [2022-11-20 12:02:23,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:02:23,572 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:02:23,573 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:02:23,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:02:23,574 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-20 12:02:23,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:02:23,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1491127859, now seen corresponding path program 1 times [2022-11-20 12:02:23,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:02:23,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768924063] [2022-11-20 12:02:23,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:02:23,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:02:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:23,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:02:23,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:02:23,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768924063] [2022-11-20 12:02:23,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768924063] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:02:23,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:02:23,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:02:23,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060959472] [2022-11-20 12:02:23,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:02:23,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:02:23,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:02:23,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:02:23,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:02:23,880 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 102 [2022-11-20 12:02:23,881 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 97 transitions, 215 flow. Second operand has 4 states, 4 states have (on average 86.25) internal successors, (345), 4 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:02:23,881 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:02:23,881 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 102 [2022-11-20 12:02:23,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:02:24,062 INFO L130 PetriNetUnfolder]: 53/226 cut-off events. [2022-11-20 12:02:24,062 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-11-20 12:02:24,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 226 events. 53/226 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 935 event pairs, 24 based on Foata normal form. 0/218 useless extension candidates. Maximal degree in co-relation 336. Up to 54 conditions per place. [2022-11-20 12:02:24,070 INFO L137 encePairwiseOnDemand]: 97/102 looper letters, 17 selfloop transitions, 3 changer transitions 0/102 dead transitions. [2022-11-20 12:02:24,070 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 102 transitions, 263 flow [2022-11-20 12:02:24,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:02:24,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-20 12:02:24,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 358 transitions. [2022-11-20 12:02:24,076 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8774509803921569 [2022-11-20 12:02:24,076 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 358 transitions. [2022-11-20 12:02:24,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 358 transitions. [2022-11-20 12:02:24,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:02:24,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 358 transitions. [2022-11-20 12:02:24,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 89.5) internal successors, (358), 4 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:02:24,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 102.0) internal successors, (510), 5 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:02:24,084 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 102.0) internal successors, (510), 5 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:02:24,084 INFO L175 Difference]: Start difference. First operand has 105 places, 97 transitions, 215 flow. Second operand 4 states and 358 transitions. [2022-11-20 12:02:24,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 102 transitions, 263 flow [2022-11-20 12:02:24,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 102 transitions, 260 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 12:02:24,091 INFO L231 Difference]: Finished difference. Result has 105 places, 95 transitions, 210 flow [2022-11-20 12:02:24,092 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=210, PETRI_PLACES=105, PETRI_TRANSITIONS=95} [2022-11-20 12:02:24,093 INFO L288 CegarLoopForPetriNet]: 105 programPoint places, 0 predicate places. [2022-11-20 12:02:24,093 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 95 transitions, 210 flow [2022-11-20 12:02:24,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 86.25) internal successors, (345), 4 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:02:24,094 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:02:24,095 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:02:24,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:02:24,095 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-20 12:02:24,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:02:24,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1491127858, now seen corresponding path program 1 times [2022-11-20 12:02:24,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:02:24,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456479335] [2022-11-20 12:02:24,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:02:24,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:02:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:24,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:02:24,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:02:24,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456479335] [2022-11-20 12:02:24,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456479335] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:02:24,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:02:24,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:02:24,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486093321] [2022-11-20 12:02:24,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:02:24,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:02:24,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:02:24,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:02:24,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:02:24,391 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 102 [2022-11-20 12:02:24,392 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 95 transitions, 210 flow. Second operand has 4 states, 4 states have (on average 86.25) internal successors, (345), 4 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:02:24,392 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:02:24,392 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 102 [2022-11-20 12:02:24,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:02:24,558 INFO L130 PetriNetUnfolder]: 49/216 cut-off events. [2022-11-20 12:02:24,558 INFO L131 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2022-11-20 12:02:24,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 216 events. 49/216 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 815 event pairs, 24 based on Foata normal form. 6/214 useless extension candidates. Maximal degree in co-relation 310. Up to 51 conditions per place. [2022-11-20 12:02:24,560 INFO L137 encePairwiseOnDemand]: 97/102 looper letters, 0 selfloop transitions, 0 changer transitions 100/100 dead transitions. [2022-11-20 12:02:24,560 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 100 transitions, 254 flow [2022-11-20 12:02:24,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:02:24,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-20 12:02:24,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 356 transitions. [2022-11-20 12:02:24,562 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8725490196078431 [2022-11-20 12:02:24,562 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 356 transitions. [2022-11-20 12:02:24,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 356 transitions. [2022-11-20 12:02:24,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:02:24,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 356 transitions. [2022-11-20 12:02:24,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:02:24,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 102.0) internal successors, (510), 5 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:02:24,566 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 102.0) internal successors, (510), 5 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:02:24,566 INFO L175 Difference]: Start difference. First operand has 105 places, 95 transitions, 210 flow. Second operand 4 states and 356 transitions. [2022-11-20 12:02:24,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 100 transitions, 254 flow [2022-11-20 12:02:24,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 100 transitions, 247 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-20 12:02:24,569 INFO L231 Difference]: Finished difference. Result has 103 places, 0 transitions, 0 flow [2022-11-20 12:02:24,569 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=195, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=103, PETRI_TRANSITIONS=0} [2022-11-20 12:02:24,570 INFO L288 CegarLoopForPetriNet]: 105 programPoint places, -2 predicate places. [2022-11-20 12:02:24,570 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 0 transitions, 0 flow [2022-11-20 12:02:24,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 86.25) internal successors, (345), 4 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:02:24,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-11-20 12:02:24,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-11-20 12:02:24,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-11-20 12:02:24,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-11-20 12:02:24,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2022-11-20 12:02:24,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2022-11-20 12:02:24,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-11-20 12:02:24,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-11-20 12:02:24,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-11-20 12:02:24,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-11-20 12:02:24,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 12:02:24,582 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-20 12:02:24,589 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 12:02:24,590 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:02:24,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:02:24 BasicIcfg [2022-11-20 12:02:24,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:02:24,599 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:02:24,599 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:02:24,600 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:02:24,600 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:02:22" (3/4) ... [2022-11-20 12:02:24,603 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:02:24,609 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-20 12:02:24,610 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-20 12:02:24,618 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-20 12:02:24,618 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 12:02:24,618 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 12:02:24,619 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:02:24,690 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9c2eae-a652-4ae3-ab47-75d0afbd6ff6/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:02:24,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:02:24,691 INFO L158 Benchmark]: Toolchain (without parser) took 4659.23ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 88.7MB in the beginning and 79.8MB in the end (delta: 8.8MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2022-11-20 12:02:24,691 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:02:24,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 825.62ms. Allocated memory is still 134.2MB. Free memory was 88.3MB in the beginning and 65.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-20 12:02:24,692 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.36ms. Allocated memory is still 134.2MB. Free memory was 65.2MB in the beginning and 62.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:02:24,693 INFO L158 Benchmark]: Boogie Preprocessor took 80.82ms. Allocated memory is still 134.2MB. Free memory was 62.7MB in the beginning and 60.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:02:24,693 INFO L158 Benchmark]: RCFGBuilder took 1070.10ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 60.6MB in the beginning and 108.0MB in the end (delta: -47.4MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-11-20 12:02:24,694 INFO L158 Benchmark]: TraceAbstraction took 2475.19ms. Allocated memory is still 167.8MB. Free memory was 107.2MB in the beginning and 83.0MB in the end (delta: 24.2MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2022-11-20 12:02:24,694 INFO L158 Benchmark]: Witness Printer took 91.21ms. Allocated memory is still 167.8MB. Free memory was 81.9MB in the beginning and 79.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:02:24,696 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 825.62ms. Allocated memory is still 134.2MB. Free memory was 88.3MB in the beginning and 65.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.36ms. Allocated memory is still 134.2MB. Free memory was 65.2MB in the beginning and 62.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.82ms. Allocated memory is still 134.2MB. Free memory was 62.7MB in the beginning and 60.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1070.10ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 60.6MB in the beginning and 108.0MB in the end (delta: -47.4MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2475.19ms. Allocated memory is still 167.8MB. Free memory was 107.2MB in the beginning and 83.0MB in the end (delta: 24.2MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Witness Printer took 91.21ms. Allocated memory is still 167.8MB. Free memory was 81.9MB in the beginning and 79.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 772]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 772]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 125 locations, 10 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: 2.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 5 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=215occurred in iteration=1, InterpolantAutomatonStates: 11, 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, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 462 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 12:02:24,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c9c2eae-a652-4ae3-ab47-75d0afbd6ff6/bin/uautomizer-ug76WZFUDN/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 Result: TRUE