./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_21a20488-e1ca-4f56-b3f6-dc02426d6715/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21a20488-e1ca-4f56-b3f6-dc02426d6715/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21a20488-e1ca-4f56-b3f6-dc02426d6715/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21a20488-e1ca-4f56-b3f6-dc02426d6715/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21a20488-e1ca-4f56-b3f6-dc02426d6715/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21a20488-e1ca-4f56-b3f6-dc02426d6715/bin/uautomizer-TMbwUNV5ro --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 22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1 --- 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-8393723 [2022-11-18 20:40:10,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:40:10,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:40:10,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:40:10,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:40:10,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:40:10,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:40:10,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:40:10,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:40:10,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:40:10,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:40:10,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:40:10,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:40:10,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:40:10,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:40:10,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:40:10,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:40:10,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:40:10,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:40:10,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:40:10,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:40:10,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:40:10,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:40:10,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:40:10,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:40:10,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:40:10,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:40:10,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:40:10,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:40:10,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:40:10,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:40:10,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:40:10,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:40:10,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:40:10,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:40:10,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:40:10,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:40:10,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:40:10,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:40:10,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:40:10,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:40:10,690 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21a20488-e1ca-4f56-b3f6-dc02426d6715/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-18 20:40:10,742 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:40:10,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:40:10,743 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:40:10,743 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:40:10,745 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:40:10,745 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:40:10,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:40:10,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:40:10,746 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:40:10,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:40:10,748 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:40:10,749 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:40:10,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:40:10,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:40:10,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:40:10,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:40:10,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:40:10,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:40:10,751 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 20:40:10,751 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:40:10,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:40:10,752 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:40:10,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:40:10,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:40:10,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:40:10,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:40:10,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:40:10,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:40:10,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:40:10,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:40:10,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:40:10,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:40:10,756 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:40:10,756 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:40:10,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:40:10,757 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_21a20488-e1ca-4f56-b3f6-dc02426d6715/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21a20488-e1ca-4f56-b3f6-dc02426d6715/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1 [2022-11-18 20:40:11,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:40:11,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:40:11,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:40:11,150 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:40:11,151 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:40:11,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21a20488-e1ca-4f56-b3f6-dc02426d6715/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i [2022-11-18 20:40:11,242 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21a20488-e1ca-4f56-b3f6-dc02426d6715/bin/uautomizer-TMbwUNV5ro/data/bb2869134/5e61507127324e18a5a635efa04db976/FLAG906953385 [2022-11-18 20:40:11,900 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:40:11,901 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21a20488-e1ca-4f56-b3f6-dc02426d6715/sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i [2022-11-18 20:40:11,922 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21a20488-e1ca-4f56-b3f6-dc02426d6715/bin/uautomizer-TMbwUNV5ro/data/bb2869134/5e61507127324e18a5a635efa04db976/FLAG906953385 [2022-11-18 20:40:12,132 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21a20488-e1ca-4f56-b3f6-dc02426d6715/bin/uautomizer-TMbwUNV5ro/data/bb2869134/5e61507127324e18a5a635efa04db976 [2022-11-18 20:40:12,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:40:12,138 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:40:12,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:40:12,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:40:12,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:40:12,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:40:12" (1/1) ... [2022-11-18 20:40:12,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1720cac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:12, skipping insertion in model container [2022-11-18 20:40:12,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:40:12" (1/1) ... [2022-11-18 20:40:12,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:40:12,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:40:13,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:40:13,289 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:40:13,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:40:13,478 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:40:13,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:13 WrapperNode [2022-11-18 20:40:13,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:40:13,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:40:13,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:40:13,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:40:13,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:13" (1/1) ... [2022-11-18 20:40:13,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:13" (1/1) ... [2022-11-18 20:40:13,541 INFO L138 Inliner]: procedures = 368, calls = 45, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 86 [2022-11-18 20:40:13,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:40:13,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:40:13,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:40:13,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:40:13,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:13" (1/1) ... [2022-11-18 20:40:13,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:13" (1/1) ... [2022-11-18 20:40:13,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:13" (1/1) ... [2022-11-18 20:40:13,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:13" (1/1) ... [2022-11-18 20:40:13,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:13" (1/1) ... [2022-11-18 20:40:13,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:13" (1/1) ... [2022-11-18 20:40:13,576 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:13" (1/1) ... [2022-11-18 20:40:13,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:13" (1/1) ... [2022-11-18 20:40:13,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:40:13,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:40:13,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:40:13,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:40:13,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:13" (1/1) ... [2022-11-18 20:40:13,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:40:13,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21a20488-e1ca-4f56-b3f6-dc02426d6715/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:13,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21a20488-e1ca-4f56-b3f6-dc02426d6715/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:13,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21a20488-e1ca-4f56-b3f6-dc02426d6715/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:40:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:40:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:40:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:40:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:40:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:40:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 20:40:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:40:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:40:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:40:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-18 20:40:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-18 20:40:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:40:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:40:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:40:13,711 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 20:40:13,913 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:40:13,915 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:40:14,382 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:40:14,393 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:40:14,399 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:40:14,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:40:14 BoogieIcfgContainer [2022-11-18 20:40:14,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:40:14,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:40:14,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:40:14,415 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:40:14,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:40:12" (1/3) ... [2022-11-18 20:40:14,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78fd56eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:40:14, skipping insertion in model container [2022-11-18 20:40:14,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:13" (2/3) ... [2022-11-18 20:40:14,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78fd56eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:40:14, skipping insertion in model container [2022-11-18 20:40:14,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:40:14" (3/3) ... [2022-11-18 20:40:14,422 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_04-list2_nr.i [2022-11-18 20:40:14,434 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 20:40:14,448 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:40:14,448 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-18 20:40:14,448 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 20:40:14,607 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-18 20:40:14,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 137 places, 133 transitions, 271 flow [2022-11-18 20:40:14,821 INFO L130 PetriNetUnfolder]: 0/132 cut-off events. [2022-11-18 20:40:14,821 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:40:14,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 132 events. 0/132 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 63 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-18 20:40:14,828 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 133 transitions, 271 flow [2022-11-18 20:40:14,845 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 128 places, 124 transitions, 251 flow [2022-11-18 20:40:14,872 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:40:14,881 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;@5f54085c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:40:14,881 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-11-18 20:40:14,910 INFO L130 PetriNetUnfolder]: 0/88 cut-off events. [2022-11-18 20:40:14,911 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:40:14,911 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:40:14,912 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:14,913 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-18 20:40:14,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:14,920 INFO L85 PathProgramCache]: Analyzing trace with hash 2091410815, now seen corresponding path program 1 times [2022-11-18 20:40:14,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:14,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552413264] [2022-11-18 20:40:14,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:14,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:20,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:20,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:40:20,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552413264] [2022-11-18 20:40:20,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552413264] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:40:20,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:40:20,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-11-18 20:40:20,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807150722] [2022-11-18 20:40:20,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:40:20,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-18 20:40:20,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:40:20,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-18 20:40:20,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=713, Unknown=0, NotChecked=0, Total=812 [2022-11-18 20:40:20,529 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 133 [2022-11-18 20:40:20,541 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 124 transitions, 251 flow. Second operand has 29 states, 29 states have (on average 55.13793103448276) internal successors, (1599), 29 states have internal predecessors, (1599), 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) [2022-11-18 20:40:20,541 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:40:20,541 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 133 [2022-11-18 20:40:20,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:40:25,419 INFO L130 PetriNetUnfolder]: 96/481 cut-off events. [2022-11-18 20:40:25,419 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:40:25,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 756 conditions, 481 events. 96/481 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2102 event pairs, 5 based on Foata normal form. 0/465 useless extension candidates. Maximal degree in co-relation 618. Up to 40 conditions per place. [2022-11-18 20:40:25,443 INFO L137 encePairwiseOnDemand]: 96/133 looper letters, 90 selfloop transitions, 62 changer transitions 0/197 dead transitions. [2022-11-18 20:40:25,444 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 197 transitions, 701 flow [2022-11-18 20:40:25,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-18 20:40:25,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2022-11-18 20:40:25,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 2647 transitions. [2022-11-18 20:40:25,474 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.42345224764037753 [2022-11-18 20:40:25,475 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 2647 transitions. [2022-11-18 20:40:25,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 2647 transitions. [2022-11-18 20:40:25,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:40:25,485 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 2647 transitions. [2022-11-18 20:40:25,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 48 states, 47 states have (on average 56.319148936170215) internal successors, (2647), 47 states have internal predecessors, (2647), 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) [2022-11-18 20:40:25,518 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 48 states, 48 states have (on average 133.0) internal successors, (6384), 48 states have internal predecessors, (6384), 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) [2022-11-18 20:40:25,521 INFO L81 ComplementDD]: Finished complementDD. Result has 48 states, 48 states have (on average 133.0) internal successors, (6384), 48 states have internal predecessors, (6384), 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) [2022-11-18 20:40:25,524 INFO L175 Difference]: Start difference. First operand has 128 places, 124 transitions, 251 flow. Second operand 47 states and 2647 transitions. [2022-11-18 20:40:25,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 197 transitions, 701 flow [2022-11-18 20:40:25,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 197 transitions, 700 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:40:25,535 INFO L231 Difference]: Finished difference. Result has 172 places, 155 transitions, 448 flow [2022-11-18 20:40:25,538 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=47, PETRI_FLOW=448, PETRI_PLACES=172, PETRI_TRANSITIONS=155} [2022-11-18 20:40:25,542 INFO L288 CegarLoopForPetriNet]: 128 programPoint places, 44 predicate places. [2022-11-18 20:40:25,543 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 155 transitions, 448 flow [2022-11-18 20:40:25,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 55.13793103448276) internal successors, (1599), 29 states have internal predecessors, (1599), 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) [2022-11-18 20:40:25,545 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:40:25,545 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:25,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:40:25,546 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-18 20:40:25,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:25,547 INFO L85 PathProgramCache]: Analyzing trace with hash 409226134, now seen corresponding path program 1 times [2022-11-18 20:40:25,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:25,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057676613] [2022-11-18 20:40:25,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:25,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:29,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:29,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:40:29,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057676613] [2022-11-18 20:40:29,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057676613] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:40:29,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:40:29,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-11-18 20:40:29,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447581684] [2022-11-18 20:40:29,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:40:29,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-18 20:40:29,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:40:29,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-18 20:40:29,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=713, Unknown=0, NotChecked=0, Total=812 [2022-11-18 20:40:29,191 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 133 [2022-11-18 20:40:29,194 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 155 transitions, 448 flow. Second operand has 29 states, 29 states have (on average 55.172413793103445) internal successors, (1600), 29 states have internal predecessors, (1600), 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) [2022-11-18 20:40:29,195 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:40:29,195 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 133 [2022-11-18 20:40:29,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:40:33,307 INFO L130 PetriNetUnfolder]: 88/450 cut-off events. [2022-11-18 20:40:33,307 INFO L131 PetriNetUnfolder]: For 46/52 co-relation queries the response was YES. [2022-11-18 20:40:33,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 825 conditions, 450 events. 88/450 cut-off events. For 46/52 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1893 event pairs, 5 based on Foata normal form. 6/449 useless extension candidates. Maximal degree in co-relation 660. Up to 40 conditions per place. [2022-11-18 20:40:33,316 INFO L137 encePairwiseOnDemand]: 96/133 looper letters, 86 selfloop transitions, 62 changer transitions 0/193 dead transitions. [2022-11-18 20:40:33,316 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 193 transitions, 820 flow [2022-11-18 20:40:33,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-18 20:40:33,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2022-11-18 20:40:33,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 2643 transitions. [2022-11-18 20:40:33,328 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.42281235002399614 [2022-11-18 20:40:33,328 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 2643 transitions. [2022-11-18 20:40:33,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 2643 transitions. [2022-11-18 20:40:33,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:40:33,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 2643 transitions. [2022-11-18 20:40:33,344 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 48 states, 47 states have (on average 56.234042553191486) internal successors, (2643), 47 states have internal predecessors, (2643), 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) [2022-11-18 20:40:33,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 48 states, 48 states have (on average 133.0) internal successors, (6384), 48 states have internal predecessors, (6384), 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) [2022-11-18 20:40:33,362 INFO L81 ComplementDD]: Finished complementDD. Result has 48 states, 48 states have (on average 133.0) internal successors, (6384), 48 states have internal predecessors, (6384), 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) [2022-11-18 20:40:33,363 INFO L175 Difference]: Start difference. First operand has 172 places, 155 transitions, 448 flow. Second operand 47 states and 2643 transitions. [2022-11-18 20:40:33,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 193 transitions, 820 flow [2022-11-18 20:40:33,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 193 transitions, 752 flow, removed 0 selfloop flow, removed 27 redundant places. [2022-11-18 20:40:33,378 INFO L231 Difference]: Finished difference. Result has 190 places, 154 transitions, 502 flow [2022-11-18 20:40:33,379 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=47, PETRI_FLOW=502, PETRI_PLACES=190, PETRI_TRANSITIONS=154} [2022-11-18 20:40:33,380 INFO L288 CegarLoopForPetriNet]: 128 programPoint places, 62 predicate places. [2022-11-18 20:40:33,380 INFO L495 AbstractCegarLoop]: Abstraction has has 190 places, 154 transitions, 502 flow [2022-11-18 20:40:33,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 55.172413793103445) internal successors, (1600), 29 states have internal predecessors, (1600), 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) [2022-11-18 20:40:33,381 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:40:33,382 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, 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] [2022-11-18 20:40:33,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:40:33,384 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-18 20:40:33,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:33,386 INFO L85 PathProgramCache]: Analyzing trace with hash -462755130, now seen corresponding path program 1 times [2022-11-18 20:40:33,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:33,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3386830] [2022-11-18 20:40:33,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:33,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:36,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:36,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:40:36,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3386830] [2022-11-18 20:40:36,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3386830] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:40:36,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:40:36,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-11-18 20:40:36,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726766112] [2022-11-18 20:40:36,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:40:36,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-18 20:40:36,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:40:36,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-18 20:40:36,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=673, Unknown=0, NotChecked=0, Total=756 [2022-11-18 20:40:36,927 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 133 [2022-11-18 20:40:36,929 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 154 transitions, 502 flow. Second operand has 28 states, 28 states have (on average 54.357142857142854) internal successors, (1522), 28 states have internal predecessors, (1522), 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) [2022-11-18 20:40:36,929 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:40:36,929 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 133 [2022-11-18 20:40:36,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:40:40,443 INFO L130 PetriNetUnfolder]: 81/398 cut-off events. [2022-11-18 20:40:40,443 INFO L131 PetriNetUnfolder]: For 115/119 co-relation queries the response was YES. [2022-11-18 20:40:40,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 799 conditions, 398 events. 81/398 cut-off events. For 115/119 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1543 event pairs, 0 based on Foata normal form. 4/402 useless extension candidates. Maximal degree in co-relation 630. Up to 45 conditions per place. [2022-11-18 20:40:40,447 INFO L137 encePairwiseOnDemand]: 97/133 looper letters, 89 selfloop transitions, 61 changer transitions 0/201 dead transitions. [2022-11-18 20:40:40,447 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 201 transitions, 928 flow [2022-11-18 20:40:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-11-18 20:40:40,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2022-11-18 20:40:40,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 2480 transitions. [2022-11-18 20:40:40,462 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4143692564745196 [2022-11-18 20:40:40,462 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 2480 transitions. [2022-11-18 20:40:40,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 2480 transitions. [2022-11-18 20:40:40,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:40:40,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 2480 transitions. [2022-11-18 20:40:40,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 55.111111111111114) internal successors, (2480), 45 states have internal predecessors, (2480), 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) [2022-11-18 20:40:40,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 133.0) internal successors, (6118), 46 states have internal predecessors, (6118), 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) [2022-11-18 20:40:40,492 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 133.0) internal successors, (6118), 46 states have internal predecessors, (6118), 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) [2022-11-18 20:40:40,492 INFO L175 Difference]: Start difference. First operand has 190 places, 154 transitions, 502 flow. Second operand 45 states and 2480 transitions. [2022-11-18 20:40:40,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 201 transitions, 928 flow [2022-11-18 20:40:40,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 201 transitions, 796 flow, removed 0 selfloop flow, removed 46 redundant places. [2022-11-18 20:40:40,502 INFO L231 Difference]: Finished difference. Result has 187 places, 161 transitions, 522 flow [2022-11-18 20:40:40,502 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=522, PETRI_PLACES=187, PETRI_TRANSITIONS=161} [2022-11-18 20:40:40,503 INFO L288 CegarLoopForPetriNet]: 128 programPoint places, 59 predicate places. [2022-11-18 20:40:40,504 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 161 transitions, 522 flow [2022-11-18 20:40:40,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 54.357142857142854) internal successors, (1522), 28 states have internal predecessors, (1522), 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) [2022-11-18 20:40:40,505 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:40:40,505 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, 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] [2022-11-18 20:40:40,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:40:40,506 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-18 20:40:40,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:40,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1460506819, now seen corresponding path program 1 times [2022-11-18 20:40:40,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:40,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550176343] [2022-11-18 20:40:40,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:40,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:43,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:43,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:40:43,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550176343] [2022-11-18 20:40:43,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550176343] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:40:43,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:40:43,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-11-18 20:40:43,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426545180] [2022-11-18 20:40:43,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:40:43,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-18 20:40:43,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:40:43,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-18 20:40:43,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=682, Unknown=0, NotChecked=0, Total=756 [2022-11-18 20:40:43,999 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 133 [2022-11-18 20:40:44,001 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 161 transitions, 522 flow. Second operand has 28 states, 28 states have (on average 54.392857142857146) internal successors, (1523), 28 states have internal predecessors, (1523), 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) [2022-11-18 20:40:44,001 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:40:44,002 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 133 [2022-11-18 20:40:44,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:40:48,070 INFO L130 PetriNetUnfolder]: 73/375 cut-off events. [2022-11-18 20:40:48,071 INFO L131 PetriNetUnfolder]: For 92/94 co-relation queries the response was YES. [2022-11-18 20:40:48,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 757 conditions, 375 events. 73/375 cut-off events. For 92/94 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1383 event pairs, 1 based on Foata normal form. 11/386 useless extension candidates. Maximal degree in co-relation 589. Up to 26 conditions per place. [2022-11-18 20:40:48,073 INFO L137 encePairwiseOnDemand]: 97/133 looper letters, 0 selfloop transitions, 0 changer transitions 203/203 dead transitions. [2022-11-18 20:40:48,073 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 203 transitions, 934 flow [2022-11-18 20:40:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-11-18 20:40:48,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2022-11-18 20:40:48,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 2478 transitions. [2022-11-18 20:40:48,082 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.41403508771929826 [2022-11-18 20:40:48,083 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 2478 transitions. [2022-11-18 20:40:48,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 2478 transitions. [2022-11-18 20:40:48,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:40:48,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 2478 transitions. [2022-11-18 20:40:48,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 55.06666666666667) internal successors, (2478), 45 states have internal predecessors, (2478), 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) [2022-11-18 20:40:48,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 133.0) internal successors, (6118), 46 states have internal predecessors, (6118), 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) [2022-11-18 20:40:48,106 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 133.0) internal successors, (6118), 46 states have internal predecessors, (6118), 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) [2022-11-18 20:40:48,106 INFO L175 Difference]: Start difference. First operand has 187 places, 161 transitions, 522 flow. Second operand 45 states and 2478 transitions. [2022-11-18 20:40:48,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 203 transitions, 934 flow [2022-11-18 20:40:48,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 203 transitions, 825 flow, removed 0 selfloop flow, removed 37 redundant places. [2022-11-18 20:40:48,112 INFO L231 Difference]: Finished difference. Result has 193 places, 0 transitions, 0 flow [2022-11-18 20:40:48,113 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=0, PETRI_PLACES=193, PETRI_TRANSITIONS=0} [2022-11-18 20:40:48,114 INFO L288 CegarLoopForPetriNet]: 128 programPoint places, 65 predicate places. [2022-11-18 20:40:48,114 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 0 transitions, 0 flow [2022-11-18 20:40:48,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 54.392857142857146) internal successors, (1523), 28 states have internal predecessors, (1523), 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) [2022-11-18 20:40:48,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining) [2022-11-18 20:40:48,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 9 remaining) [2022-11-18 20:40:48,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 9 remaining) [2022-11-18 20:40:48,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 9 remaining) [2022-11-18 20:40:48,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 9 remaining) [2022-11-18 20:40:48,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 9 remaining) [2022-11-18 20:40:48,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 9 remaining) [2022-11-18 20:40:48,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 9 remaining) [2022-11-18 20:40:48,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 9 remaining) [2022-11-18 20:40:48,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:40:48,123 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-18 20:40:48,130 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 20:40:48,130 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:40:48,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:40:48 BasicIcfg [2022-11-18 20:40:48,138 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:40:48,138 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:40:48,139 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:40:48,139 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:40:48,140 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:40:14" (3/4) ... [2022-11-18 20:40:48,143 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:40:48,150 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-18 20:40:48,156 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-18 20:40:48,157 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-18 20:40:48,157 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 20:40:48,225 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21a20488-e1ca-4f56-b3f6-dc02426d6715/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:40:48,230 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:40:48,232 INFO L158 Benchmark]: Toolchain (without parser) took 36092.85ms. Allocated memory was 109.1MB in the beginning and 478.2MB in the end (delta: 369.1MB). Free memory was 66.8MB in the beginning and 308.2MB in the end (delta: -241.4MB). Peak memory consumption was 126.7MB. Max. memory is 16.1GB. [2022-11-18 20:40:48,232 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 109.1MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:40:48,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1334.73ms. Allocated memory is still 109.1MB. Free memory was 66.5MB in the beginning and 58.3MB in the end (delta: 8.2MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2022-11-18 20:40:48,235 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.46ms. Allocated memory is still 109.1MB. Free memory was 58.3MB in the beginning and 55.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:40:48,237 INFO L158 Benchmark]: Boogie Preprocessor took 38.84ms. Allocated memory is still 109.1MB. Free memory was 55.5MB in the beginning and 53.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:40:48,237 INFO L158 Benchmark]: RCFGBuilder took 824.79ms. Allocated memory was 109.1MB in the beginning and 136.3MB in the end (delta: 27.3MB). Free memory was 53.6MB in the beginning and 99.4MB in the end (delta: -45.8MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-11-18 20:40:48,238 INFO L158 Benchmark]: TraceAbstraction took 33727.09ms. Allocated memory was 136.3MB in the beginning and 478.2MB in the end (delta: 341.8MB). Free memory was 98.8MB in the beginning and 311.3MB in the end (delta: -212.5MB). Peak memory consumption was 129.9MB. Max. memory is 16.1GB. [2022-11-18 20:40:48,238 INFO L158 Benchmark]: Witness Printer took 92.10ms. Allocated memory is still 478.2MB. Free memory was 311.3MB in the beginning and 308.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:40:48,243 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 109.1MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1334.73ms. Allocated memory is still 109.1MB. Free memory was 66.5MB in the beginning and 58.3MB in the end (delta: 8.2MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.46ms. Allocated memory is still 109.1MB. Free memory was 58.3MB in the beginning and 55.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.84ms. Allocated memory is still 109.1MB. Free memory was 55.5MB in the beginning and 53.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 824.79ms. Allocated memory was 109.1MB in the beginning and 136.3MB in the end (delta: 27.3MB). Free memory was 53.6MB in the beginning and 99.4MB in the end (delta: -45.8MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * TraceAbstraction took 33727.09ms. Allocated memory was 136.3MB in the beginning and 478.2MB in the end (delta: 341.8MB). Free memory was 98.8MB in the beginning and 311.3MB in the end (delta: -212.5MB). Peak memory consumption was 129.9MB. Max. memory is 16.1GB. * Witness Printer took 92.10ms. Allocated memory is still 478.2MB. Free memory was 311.3MB in the beginning and 308.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1235]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1235]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1238]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1238]: 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 3 procedures, 167 locations, 9 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: 33.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 16.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1409 SdHoareTripleChecker+Valid, 5.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1409 mSDsluCounter, 1875 SdHoareTripleChecker+Invalid, 5.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1687 mSDsCounter, 235 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4998 IncrementalHoareTripleChecker+Invalid, 5233 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 235 mSolverCounterUnsat, 188 mSDtfsCounter, 4998 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 279 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 260 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4550 ImplicationChecksByTransitivity, 13.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=522occurred in iteration=3, InterpolantAutomatonStates: 184, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 15.4s InterpolantComputationTime, 354 NumberOfCodeBlocks, 354 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 350 ConstructedInterpolants, 0 QuantifiedInterpolants, 9216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [2022-11-18 20:40:48,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21a20488-e1ca-4f56-b3f6-dc02426d6715/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE