./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix009.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix009.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f715026b68e9c0bb30969d2f1713e0cf615763357ccfdf3c82e016d450119958 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:44:43,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:44:43,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:44:43,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:44:43,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:44:43,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:44:43,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:44:43,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:44:43,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:44:43,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:44:43,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:44:43,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:44:43,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:44:43,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:44:43,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:44:43,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:44:43,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:44:43,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:44:43,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:44:43,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:44:43,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:44:43,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:44:43,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:44:43,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:44:43,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:44:43,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:44:43,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:44:43,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:44:43,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:44:43,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:44:43,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:44:43,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:44:43,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:44:43,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:44:43,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:44:43,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:44:43,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:44:43,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:44:43,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:44:43,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:44:43,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:44:43,593 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:44:43,638 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:44:43,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:44:43,639 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:44:43,640 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:44:43,640 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:44:43,640 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:44:43,640 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:44:43,641 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:44:43,648 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:44:43,648 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:44:43,649 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:44:43,649 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:44:43,650 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:44:43,650 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:44:43,650 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:44:43,650 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:44:43,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:44:43,651 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:44:43,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:44:43,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:44:43,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:44:43,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:44:43,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:44:43,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:44:43,653 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:44:43,653 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:44:43,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:44:43,654 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:44:43,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:44:43,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:44:43,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:44:43,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:44:43,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:44:43,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:44:43,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:44:43,658 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:44:43,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:44:43,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:44:43,658 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:44:43,659 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:44:43,659 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f715026b68e9c0bb30969d2f1713e0cf615763357ccfdf3c82e016d450119958 [2021-11-12 23:44:43,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:44:44,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:44:44,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:44:44,011 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:44:44,012 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:44:44,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/pthread-wmm/mix009.opt.i [2021-11-12 23:44:44,097 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/data/747ad9d9b/faa899ddba534e299b52952de39ef4fc/FLAG00c4268af [2021-11-12 23:44:44,630 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:44:44,630 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/sv-benchmarks/c/pthread-wmm/mix009.opt.i [2021-11-12 23:44:44,657 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/data/747ad9d9b/faa899ddba534e299b52952de39ef4fc/FLAG00c4268af [2021-11-12 23:44:44,932 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/data/747ad9d9b/faa899ddba534e299b52952de39ef4fc [2021-11-12 23:44:44,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:44:44,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:44:44,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:44:44,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:44:44,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:44:44,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:44:44" (1/1) ... [2021-11-12 23:44:44,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fece730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:44, skipping insertion in model container [2021-11-12 23:44:44,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:44:44" (1/1) ... [2021-11-12 23:44:44,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:44:44,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:44:45,198 WARN L228 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_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/sv-benchmarks/c/pthread-wmm/mix009.opt.i[987,1000] [2021-11-12 23:44:45,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:44:45,467 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:44:45,489 WARN L228 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_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/sv-benchmarks/c/pthread-wmm/mix009.opt.i[987,1000] [2021-11-12 23:44:45,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:44:45,630 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:44:45,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:45 WrapperNode [2021-11-12 23:44:45,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:44:45,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:44:45,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:44:45,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:44:45,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:45" (1/1) ... [2021-11-12 23:44:45,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:45" (1/1) ... [2021-11-12 23:44:45,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:44:45,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:44:45,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:44:45,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:44:45,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:45" (1/1) ... [2021-11-12 23:44:45,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:45" (1/1) ... [2021-11-12 23:44:45,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:45" (1/1) ... [2021-11-12 23:44:45,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:45" (1/1) ... [2021-11-12 23:44:45,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:45" (1/1) ... [2021-11-12 23:44:45,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:45" (1/1) ... [2021-11-12 23:44:45,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:45" (1/1) ... [2021-11-12 23:44:45,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:44:45,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:44:45,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:44:45,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:44:45,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:45" (1/1) ... [2021-11-12 23:44:45,764 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:44:45,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:44:45,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:44:45,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:44:45,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-12 23:44:45,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-12 23:44:45,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:44:45,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:44:45,846 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-12 23:44:45,846 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-12 23:44:45,846 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-12 23:44:45,846 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-12 23:44:45,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:44:45,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-12 23:44:45,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:44:45,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:44:45,849 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-12 23:44:47,197 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:44:47,198 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:44:47,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:44:47 BoogieIcfgContainer [2021-11-12 23:44:47,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:44:47,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:44:47,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:44:47,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:44:47,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:44:44" (1/3) ... [2021-11-12 23:44:47,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@206ce2a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:44:47, skipping insertion in model container [2021-11-12 23:44:47,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:44:45" (2/3) ... [2021-11-12 23:44:47,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@206ce2a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:44:47, skipping insertion in model container [2021-11-12 23:44:47,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:44:47" (3/3) ... [2021-11-12 23:44:47,214 INFO L111 eAbstractionObserver]: Analyzing ICFG mix009.opt.i [2021-11-12 23:44:47,220 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-12 23:44:47,220 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:44:47,221 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-12 23:44:47,221 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-12 23:44:47,273 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,274 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,274 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,274 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,274 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,275 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,275 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,275 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,276 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,276 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,276 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,277 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,277 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,277 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,278 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,278 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,278 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,279 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,279 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,279 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,280 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,280 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,281 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,281 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,281 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,281 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,282 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,282 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,282 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,283 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,283 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,283 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,283 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,283 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,284 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,284 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,284 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,284 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,284 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,285 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,285 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,285 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,285 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,285 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,286 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,286 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,288 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,288 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,289 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,289 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,290 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,290 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,290 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,290 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,290 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,291 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,291 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,291 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,291 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,291 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,292 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,292 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,292 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,292 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,292 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,293 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,293 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,293 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,294 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,294 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,294 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,294 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,294 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,295 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,295 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,295 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,295 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,296 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,296 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,297 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,297 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,300 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,300 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,300 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,302 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,302 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,304 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,305 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,305 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,305 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,313 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,313 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,313 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,313 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,314 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,314 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,314 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,314 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,314 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,315 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,316 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,316 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,317 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,317 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,317 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,317 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,318 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,318 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,318 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,318 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,318 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,318 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,319 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,319 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,319 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,319 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,319 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,320 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,320 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,320 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,320 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,320 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,321 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,321 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,321 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,321 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,321 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,322 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,322 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,322 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,322 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,323 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,323 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,323 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,323 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,323 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,324 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,324 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,324 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,324 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,324 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,324 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,326 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,326 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,326 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,327 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,327 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,327 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,327 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,328 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,329 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,329 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,329 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,329 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,332 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,332 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,332 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,332 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,332 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,333 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,333 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,333 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,333 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,333 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,334 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,334 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,334 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,334 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,334 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,334 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,335 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,335 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,335 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,335 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,336 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,336 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,336 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,336 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,336 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,336 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,338 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,338 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,339 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,339 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,339 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,339 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,339 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,340 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,340 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,340 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,340 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,340 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,341 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,341 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,341 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,342 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,342 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,342 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,351 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,351 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,351 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,351 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,352 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,352 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,352 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,352 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,352 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,354 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,358 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,359 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,359 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,359 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,359 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,359 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,360 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,360 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,360 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,362 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,362 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,363 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,363 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,363 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,363 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,363 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,364 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,365 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,365 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,366 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,366 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,366 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,366 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,366 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,366 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,367 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,367 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,380 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,381 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,381 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,381 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,381 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,382 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,382 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,382 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,382 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,382 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,383 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,383 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,383 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,383 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,383 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,383 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,384 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,384 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,384 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,384 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,384 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,385 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,385 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,385 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,385 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:44:47,386 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-12 23:44:47,450 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:44:47,464 INFO L339 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=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:44:47,469 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-12 23:44:47,483 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-12 23:44:47,497 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 100 transitions, 210 flow [2021-11-12 23:44:47,500 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 100 transitions, 210 flow [2021-11-12 23:44:47,502 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 100 transitions, 210 flow [2021-11-12 23:44:47,554 INFO L129 PetriNetUnfolder]: 2/98 cut-off events. [2021-11-12 23:44:47,554 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-12 23:44:47,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 98 events. 2/98 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2021-11-12 23:44:47,561 INFO L116 LiptonReduction]: Number of co-enabled transitions 1310 [2021-11-12 23:44:53,577 INFO L131 LiptonReduction]: Checked pairs total: 3435 [2021-11-12 23:44:53,577 INFO L133 LiptonReduction]: Total number of compositions: 91 [2021-11-12 23:44:53,586 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 22 transitions, 54 flow [2021-11-12 23:44:53,609 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 197 states, 194 states have (on average 2.618556701030928) internal successors, (508), 196 states have internal predecessors, (508), 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) [2021-11-12 23:44:53,612 INFO L276 IsEmpty]: Start isEmpty. Operand has 197 states, 194 states have (on average 2.618556701030928) internal successors, (508), 196 states have internal predecessors, (508), 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) [2021-11-12 23:44:53,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-12 23:44:53,617 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:44:53,618 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-12 23:44:53,618 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-12 23:44:53,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:44:53,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1163369975, now seen corresponding path program 1 times [2021-11-12 23:44:53,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:44:53,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878748441] [2021-11-12 23:44:53,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:44:53,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:44:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:44:53,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:44:53,901 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:44:53,901 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878748441] [2021-11-12 23:44:53,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878748441] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:44:53,902 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:44:53,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-12 23:44:53,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925301605] [2021-11-12 23:44:53,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:44:53,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:44:53,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:44:53,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:44:53,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:44:53,939 INFO L87 Difference]: Start difference. First operand has 197 states, 194 states have (on average 2.618556701030928) internal successors, (508), 196 states have internal predecessors, (508), 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) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2021-11-12 23:44:54,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:44:54,041 INFO L93 Difference]: Finished difference Result 167 states and 394 transitions. [2021-11-12 23:44:54,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:44:54,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) Word has length 5 [2021-11-12 23:44:54,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:44:54,055 INFO L225 Difference]: With dead ends: 167 [2021-11-12 23:44:54,055 INFO L226 Difference]: Without dead ends: 162 [2021-11-12 23:44:54,056 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:44:54,059 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 7 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.85ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.51ms IncrementalHoareTripleChecker+Time [2021-11-12 23:44:54,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 4 Invalid, 29 Unknown, 0 Unchecked, 0.85ms Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 62.51ms Time] [2021-11-12 23:44:54,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2021-11-12 23:44:54,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2021-11-12 23:44:54,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 161 states have (on average 2.391304347826087) internal successors, (385), 161 states have internal predecessors, (385), 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) [2021-11-12 23:44:54,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 385 transitions. [2021-11-12 23:44:54,109 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 385 transitions. Word has length 5 [2021-11-12 23:44:54,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:44:54,110 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 385 transitions. [2021-11-12 23:44:54,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2021-11-12 23:44:54,110 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 385 transitions. [2021-11-12 23:44:54,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-12 23:44:54,111 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:44:54,112 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:44:54,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 23:44:54,112 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-12 23:44:54,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:44:54,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1866139748, now seen corresponding path program 1 times [2021-11-12 23:44:54,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:44:54,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385684644] [2021-11-12 23:44:54,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:44:54,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:44:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:44:54,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:44:54,283 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:44:54,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385684644] [2021-11-12 23:44:54,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385684644] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:44:54,284 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:44:54,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:44:54,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800110330] [2021-11-12 23:44:54,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:44:54,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:44:54,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:44:54,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:44:54,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:44:54,287 INFO L87 Difference]: Start difference. First operand 162 states and 385 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-11-12 23:44:54,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:44:54,422 INFO L93 Difference]: Finished difference Result 184 states and 414 transitions. [2021-11-12 23:44:54,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:44:54,422 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) Word has length 8 [2021-11-12 23:44:54,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:44:54,424 INFO L225 Difference]: With dead ends: 184 [2021-11-12 23:44:54,424 INFO L226 Difference]: Without dead ends: 154 [2021-11-12 23:44:54,425 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:44:54,426 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 16 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 97.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.87ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 112.17ms IncrementalHoareTripleChecker+Time [2021-11-12 23:44:54,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 6 Invalid, 61 Unknown, 0 Unchecked, 1.87ms Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 112.17ms Time] [2021-11-12 23:44:54,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-11-12 23:44:54,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2021-11-12 23:44:54,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 2.3594771241830066) internal successors, (361), 153 states have internal predecessors, (361), 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) [2021-11-12 23:44:54,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 361 transitions. [2021-11-12 23:44:54,444 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 361 transitions. Word has length 8 [2021-11-12 23:44:54,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:44:54,444 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 361 transitions. [2021-11-12 23:44:54,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-11-12 23:44:54,444 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 361 transitions. [2021-11-12 23:44:54,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-12 23:44:54,446 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:44:54,446 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:44:54,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-12 23:44:54,446 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-12 23:44:54,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:44:54,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1341364209, now seen corresponding path program 1 times [2021-11-12 23:44:54,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:44:54,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305046784] [2021-11-12 23:44:54,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:44:54,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:44:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:44:54,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:44:54,531 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:44:54,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305046784] [2021-11-12 23:44:54,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305046784] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:44:54,532 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:44:54,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:44:54,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063935686] [2021-11-12 23:44:54,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:44:54,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:44:54,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:44:54,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:44:54,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:44:54,534 INFO L87 Difference]: Start difference. First operand 154 states and 361 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-11-12 23:44:54,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:44:54,643 INFO L93 Difference]: Finished difference Result 160 states and 362 transitions. [2021-11-12 23:44:54,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:44:54,643 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) Word has length 10 [2021-11-12 23:44:54,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:44:54,645 INFO L225 Difference]: With dead ends: 160 [2021-11-12 23:44:54,645 INFO L226 Difference]: Without dead ends: 142 [2021-11-12 23:44:54,646 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:44:54,647 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 13 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 83.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.03ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 96.44ms IncrementalHoareTripleChecker+Time [2021-11-12 23:44:54,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 8 Invalid, 51 Unknown, 0 Unchecked, 1.03ms Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 96.44ms Time] [2021-11-12 23:44:54,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-12 23:44:54,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-12 23:44:54,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 2.3333333333333335) internal successors, (329), 141 states have internal predecessors, (329), 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) [2021-11-12 23:44:54,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 329 transitions. [2021-11-12 23:44:54,660 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 329 transitions. Word has length 10 [2021-11-12 23:44:54,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:44:54,660 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 329 transitions. [2021-11-12 23:44:54,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-11-12 23:44:54,661 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 329 transitions. [2021-11-12 23:44:54,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-12 23:44:54,662 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:44:54,662 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:44:54,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-12 23:44:54,663 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-12 23:44:54,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:44:54,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1197042517, now seen corresponding path program 1 times [2021-11-12 23:44:54,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:44:54,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235702354] [2021-11-12 23:44:54,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:44:54,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:44:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:44:54,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:44:54,858 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:44:54,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235702354] [2021-11-12 23:44:54,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235702354] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:44:54,858 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:44:54,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-12 23:44:54,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430073068] [2021-11-12 23:44:54,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:44:54,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:44:54,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:44:54,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:44:54,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:44:54,860 INFO L87 Difference]: Start difference. First operand 142 states and 329 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-11-12 23:44:54,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:44:54,978 INFO L93 Difference]: Finished difference Result 146 states and 324 transitions. [2021-11-12 23:44:54,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:44:54,979 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) Word has length 10 [2021-11-12 23:44:54,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:44:54,980 INFO L225 Difference]: With dead ends: 146 [2021-11-12 23:44:54,980 INFO L226 Difference]: Without dead ends: 126 [2021-11-12 23:44:54,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:44:54,982 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 27 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.63ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 104.55ms IncrementalHoareTripleChecker+Time [2021-11-12 23:44:54,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 6 Invalid, 56 Unknown, 0 Unchecked, 1.63ms Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 104.55ms Time] [2021-11-12 23:44:54,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-11-12 23:44:54,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2021-11-12 23:44:54,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 2.28) internal successors, (285), 125 states have internal predecessors, (285), 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) [2021-11-12 23:44:54,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 285 transitions. [2021-11-12 23:44:54,993 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 285 transitions. Word has length 10 [2021-11-12 23:44:54,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:44:54,993 INFO L470 AbstractCegarLoop]: Abstraction has 126 states and 285 transitions. [2021-11-12 23:44:54,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-11-12 23:44:54,994 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 285 transitions. [2021-11-12 23:44:54,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-12 23:44:54,995 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:44:54,995 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:44:54,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-12 23:44:54,996 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-12 23:44:54,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:44:54,996 INFO L85 PathProgramCache]: Analyzing trace with hash -601076830, now seen corresponding path program 1 times [2021-11-12 23:44:54,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:44:54,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160447204] [2021-11-12 23:44:54,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:44:54,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:44:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:44:55,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:44:55,155 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:44:55,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160447204] [2021-11-12 23:44:55,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160447204] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:44:55,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:44:55,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-12 23:44:55,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418766701] [2021-11-12 23:44:55,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:44:55,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:44:55,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:44:55,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:44:55,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:44:55,158 INFO L87 Difference]: Start difference. First operand 126 states and 285 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-11-12 23:44:55,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:44:55,275 INFO L93 Difference]: Finished difference Result 104 states and 198 transitions. [2021-11-12 23:44:55,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:44:55,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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) Word has length 12 [2021-11-12 23:44:55,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:44:55,276 INFO L225 Difference]: With dead ends: 104 [2021-11-12 23:44:55,276 INFO L226 Difference]: Without dead ends: 74 [2021-11-12 23:44:55,276 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:44:55,278 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 20 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 89.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.04ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 105.25ms IncrementalHoareTripleChecker+Time [2021-11-12 23:44:55,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 10 Invalid, 59 Unknown, 0 Unchecked, 1.04ms Time], IncrementalHoareTripleChecker [2 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 105.25ms Time] [2021-11-12 23:44:55,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-11-12 23:44:55,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-11-12 23:44:55,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.7671232876712328) internal successors, (129), 73 states have internal predecessors, (129), 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) [2021-11-12 23:44:55,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 129 transitions. [2021-11-12 23:44:55,283 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 129 transitions. Word has length 12 [2021-11-12 23:44:55,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:44:55,284 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 129 transitions. [2021-11-12 23:44:55,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-11-12 23:44:55,284 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 129 transitions. [2021-11-12 23:44:55,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-12 23:44:55,285 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:44:55,285 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:44:55,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-12 23:44:55,286 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-12 23:44:55,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:44:55,286 INFO L85 PathProgramCache]: Analyzing trace with hash -460239796, now seen corresponding path program 1 times [2021-11-12 23:44:55,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:44:55,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191569671] [2021-11-12 23:44:55,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:44:55,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:44:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:44:55,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:44:55,545 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:44:55,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191569671] [2021-11-12 23:44:55,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191569671] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:44:55,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:44:55,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:44:55,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916509719] [2021-11-12 23:44:55,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:44:55,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:44:55,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:44:55,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:44:55,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:44:55,555 INFO L87 Difference]: Start difference. First operand 74 states and 129 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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) [2021-11-12 23:44:55,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:44:55,664 INFO L93 Difference]: Finished difference Result 56 states and 91 transitions. [2021-11-12 23:44:55,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:44:55,664 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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) Word has length 14 [2021-11-12 23:44:55,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:44:55,665 INFO L225 Difference]: With dead ends: 56 [2021-11-12 23:44:55,665 INFO L226 Difference]: Without dead ends: 46 [2021-11-12 23:44:55,666 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:44:55,666 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 27 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.29ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 93.73ms IncrementalHoareTripleChecker+Time [2021-11-12 23:44:55,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 10 Invalid, 69 Unknown, 0 Unchecked, 1.29ms Time], IncrementalHoareTripleChecker [4 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 93.73ms Time] [2021-11-12 23:44:55,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-11-12 23:44:55,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-11-12 23:44:55,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.6222222222222222) internal successors, (73), 45 states have internal predecessors, (73), 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) [2021-11-12 23:44:55,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 73 transitions. [2021-11-12 23:44:55,670 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 73 transitions. Word has length 14 [2021-11-12 23:44:55,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:44:55,671 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 73 transitions. [2021-11-12 23:44:55,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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) [2021-11-12 23:44:55,671 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 73 transitions. [2021-11-12 23:44:55,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-12 23:44:55,672 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:44:55,672 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:44:55,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-12 23:44:55,678 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-12 23:44:55,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:44:55,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1740398399, now seen corresponding path program 1 times [2021-11-12 23:44:55,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:44:55,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666660307] [2021-11-12 23:44:55,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:44:55,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:44:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:44:55,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:44:55,881 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:44:55,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666660307] [2021-11-12 23:44:55,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666660307] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:44:55,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:44:55,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:44:55,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729923167] [2021-11-12 23:44:55,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:44:55,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:44:55,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:44:55,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:44:55,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:44:55,884 INFO L87 Difference]: Start difference. First operand 46 states and 73 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 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) [2021-11-12 23:44:55,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:44:55,988 INFO L93 Difference]: Finished difference Result 61 states and 93 transitions. [2021-11-12 23:44:55,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:44:55,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 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) Word has length 17 [2021-11-12 23:44:55,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:44:55,989 INFO L225 Difference]: With dead ends: 61 [2021-11-12 23:44:55,989 INFO L226 Difference]: Without dead ends: 26 [2021-11-12 23:44:55,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:44:55,990 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 17 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.79ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 88.64ms IncrementalHoareTripleChecker+Time [2021-11-12 23:44:55,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 7 Invalid, 79 Unknown, 0 Unchecked, 0.79ms Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 88.64ms Time] [2021-11-12 23:44:55,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-12 23:44:55,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-12 23:44:55,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 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) [2021-11-12 23:44:55,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2021-11-12 23:44:55,993 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 17 [2021-11-12 23:44:55,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:44:55,993 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-11-12 23:44:55,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 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) [2021-11-12 23:44:55,994 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2021-11-12 23:44:55,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-12 23:44:55,995 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:44:55,995 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:44:55,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-12 23:44:55,995 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-12 23:44:55,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:44:55,996 INFO L85 PathProgramCache]: Analyzing trace with hash 585450431, now seen corresponding path program 2 times [2021-11-12 23:44:55,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:44:55,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792155203] [2021-11-12 23:44:55,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:44:55,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:44:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:44:56,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:44:56,329 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:44:56,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792155203] [2021-11-12 23:44:56,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792155203] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:44:56,329 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:44:56,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-12 23:44:56,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015338348] [2021-11-12 23:44:56,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:44:56,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:44:56,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:44:56,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:44:56,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:44:56,331 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 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) [2021-11-12 23:44:56,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:44:56,492 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2021-11-12 23:44:56,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-12 23:44:56,492 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 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) Word has length 17 [2021-11-12 23:44:56,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:44:56,493 INFO L225 Difference]: With dead ends: 33 [2021-11-12 23:44:56,493 INFO L226 Difference]: Without dead ends: 20 [2021-11-12 23:44:56,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:44:56,494 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 15 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 85.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.12ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 98.69ms IncrementalHoareTripleChecker+Time [2021-11-12 23:44:56,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 18 Invalid, 111 Unknown, 0 Unchecked, 1.12ms Time], IncrementalHoareTripleChecker [7 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 98.69ms Time] [2021-11-12 23:44:56,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-12 23:44:56,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-11-12 23:44:56,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 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) [2021-11-12 23:44:56,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2021-11-12 23:44:56,496 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 17 [2021-11-12 23:44:56,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:44:56,497 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2021-11-12 23:44:56,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 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) [2021-11-12 23:44:56,497 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-11-12 23:44:56,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-12 23:44:56,497 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:44:56,497 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:44:56,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-12 23:44:56,498 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-12 23:44:56,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:44:56,498 INFO L85 PathProgramCache]: Analyzing trace with hash -317944769, now seen corresponding path program 3 times [2021-11-12 23:44:56,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:44:56,499 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646565777] [2021-11-12 23:44:56,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:44:56,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:44:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:44:56,552 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 23:44:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:44:56,671 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-12 23:44:56,671 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 23:44:56,672 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2021-11-12 23:44:56,674 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2021-11-12 23:44:56,675 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 5 remaining) [2021-11-12 23:44:56,675 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 5 remaining) [2021-11-12 23:44:56,675 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2021-11-12 23:44:56,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-12 23:44:56,678 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2021-11-12 23:44:56,683 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-12 23:44:56,683 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:44:56,728 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:44:56,741 INFO L158 Benchmark]: Toolchain (without parser) took 11804.32ms. Allocated memory was 96.5MB in the beginning and 207.6MB in the end (delta: 111.1MB). Free memory was 59.2MB in the beginning and 151.3MB in the end (delta: -92.1MB). Peak memory consumption was 114.2MB. Max. memory is 16.1GB. [2021-11-12 23:44:56,741 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 96.5MB. Free memory was 66.2MB in the beginning and 66.2MB in the end (delta: 24.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:44:56,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 692.94ms. Allocated memory is still 96.5MB. Free memory was 59.0MB in the beginning and 57.5MB in the end (delta: 1.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-12 23:44:56,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.01ms. Allocated memory is still 96.5MB. Free memory was 57.5MB in the beginning and 54.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:44:56,742 INFO L158 Benchmark]: Boogie Preprocessor took 36.64ms. Allocated memory is still 96.5MB. Free memory was 54.7MB in the beginning and 52.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:44:56,743 INFO L158 Benchmark]: RCFGBuilder took 1445.71ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 52.7MB in the beginning and 89.6MB in the end (delta: -37.0MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2021-11-12 23:44:56,744 INFO L158 Benchmark]: TraceAbstraction took 9537.01ms. Allocated memory was 130.0MB in the beginning and 207.6MB in the end (delta: 77.6MB). Free memory was 89.6MB in the beginning and 151.3MB in the end (delta: -61.6MB). Peak memory consumption was 112.2MB. Max. memory is 16.1GB. [2021-11-12 23:44:56,746 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 96.5MB. Free memory was 66.2MB in the beginning and 66.2MB in the end (delta: 24.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 692.94ms. Allocated memory is still 96.5MB. Free memory was 59.0MB in the beginning and 57.5MB in the end (delta: 1.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.01ms. Allocated memory is still 96.5MB. Free memory was 57.5MB in the beginning and 54.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.64ms. Allocated memory is still 96.5MB. Free memory was 54.7MB in the beginning and 52.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1445.71ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 52.7MB in the beginning and 89.6MB in the end (delta: -37.0MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * TraceAbstraction took 9537.01ms. Allocated memory was 130.0MB in the beginning and 207.6MB in the end (delta: 77.6MB). Free memory was 89.6MB in the beginning and 151.3MB in the end (delta: -61.6MB). Peak memory consumption was 112.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.1s, 105 PlacesBefore, 28 PlacesAfterwards, 100 TransitionsBefore, 22 TransitionsAfterwards, 1310 CoEnabledTransitionPairs, 7 FixpointIterations, 41 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 1 ChoiceCompositions, 91 TotalNumberOfCompositions, 3435 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2023, positive: 1881, positive conditional: 0, positive unconditional: 1881, negative: 142, negative conditional: 0, negative unconditional: 142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 996, positive: 949, positive conditional: 0, positive unconditional: 949, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 996, positive: 933, positive conditional: 0, positive unconditional: 933, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 614, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 589, negative conditional: 0, negative unconditional: 589, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2023, positive: 932, positive conditional: 0, positive unconditional: 932, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 996, unknown conditional: 0, unknown unconditional: 996] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-12 23:44:56,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix009.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f715026b68e9c0bb30969d2f1713e0cf615763357ccfdf3c82e016d450119958 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:44:59,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:44:59,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:44:59,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:44:59,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:44:59,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:44:59,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:44:59,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:44:59,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:44:59,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:44:59,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:44:59,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:44:59,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:44:59,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:44:59,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:44:59,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:44:59,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:44:59,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:44:59,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:44:59,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:44:59,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:44:59,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:44:59,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:44:59,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:44:59,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:44:59,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:44:59,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:44:59,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:44:59,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:44:59,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:44:59,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:44:59,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:44:59,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:44:59,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:44:59,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:44:59,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:44:59,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:44:59,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:44:59,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:44:59,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:44:59,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:44:59,390 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-12 23:44:59,440 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:44:59,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:44:59,441 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:44:59,441 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:44:59,442 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:44:59,442 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:44:59,442 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:44:59,442 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:44:59,442 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:44:59,442 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:44:59,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:44:59,444 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:44:59,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:44:59,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:44:59,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:44:59,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:44:59,444 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:44:59,445 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:44:59,445 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:44:59,445 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:44:59,445 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:44:59,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:44:59,446 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:44:59,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:44:59,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:44:59,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:44:59,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:44:59,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:44:59,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:44:59,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:44:59,447 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:44:59,447 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:44:59,448 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:44:59,448 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:44:59,448 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:44:59,448 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:44:59,448 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f715026b68e9c0bb30969d2f1713e0cf615763357ccfdf3c82e016d450119958 [2021-11-12 23:44:59,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:44:59,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:44:59,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:44:59,853 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:44:59,856 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:44:59,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/pthread-wmm/mix009.opt.i [2021-11-12 23:44:59,934 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/data/634f0369b/7d6d7d9a3e3047599262bed5f75b7599/FLAG5eedbe539 [2021-11-12 23:45:00,666 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:45:00,667 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/sv-benchmarks/c/pthread-wmm/mix009.opt.i [2021-11-12 23:45:00,685 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/data/634f0369b/7d6d7d9a3e3047599262bed5f75b7599/FLAG5eedbe539 [2021-11-12 23:45:00,888 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/data/634f0369b/7d6d7d9a3e3047599262bed5f75b7599 [2021-11-12 23:45:00,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:45:00,893 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:45:00,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:45:00,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:45:00,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:45:00,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:45:00" (1/1) ... [2021-11-12 23:45:00,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57eb4c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:00, skipping insertion in model container [2021-11-12 23:45:00,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:45:00" (1/1) ... [2021-11-12 23:45:00,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:45:00,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:45:01,141 WARN L228 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_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/sv-benchmarks/c/pthread-wmm/mix009.opt.i[987,1000] [2021-11-12 23:45:01,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:45:01,382 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:45:01,400 WARN L228 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_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/sv-benchmarks/c/pthread-wmm/mix009.opt.i[987,1000] [2021-11-12 23:45:01,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:45:01,514 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:45:01,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:01 WrapperNode [2021-11-12 23:45:01,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:45:01,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:45:01,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:45:01,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:45:01,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:01" (1/1) ... [2021-11-12 23:45:01,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:01" (1/1) ... [2021-11-12 23:45:01,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:45:01,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:45:01,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:45:01,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:45:01,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:01" (1/1) ... [2021-11-12 23:45:01,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:01" (1/1) ... [2021-11-12 23:45:01,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:01" (1/1) ... [2021-11-12 23:45:01,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:01" (1/1) ... [2021-11-12 23:45:01,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:01" (1/1) ... [2021-11-12 23:45:01,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:01" (1/1) ... [2021-11-12 23:45:01,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:01" (1/1) ... [2021-11-12 23:45:01,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:45:01,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:45:01,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:45:01,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:45:01,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:01" (1/1) ... [2021-11-12 23:45:01,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:45:01,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:45:01,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:45:01,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:45:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-12 23:45:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:45:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:45:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:45:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:45:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-12 23:45:01,768 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-12 23:45:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-12 23:45:01,769 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-12 23:45:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-12 23:45:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:45:01,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:45:01,771 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-12 23:45:03,012 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:45:03,013 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:45:03,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:45:03 BoogieIcfgContainer [2021-11-12 23:45:03,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:45:03,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:45:03,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:45:03,022 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:45:03,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:45:00" (1/3) ... [2021-11-12 23:45:03,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef868be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:45:03, skipping insertion in model container [2021-11-12 23:45:03,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:01" (2/3) ... [2021-11-12 23:45:03,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef868be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:45:03, skipping insertion in model container [2021-11-12 23:45:03,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:45:03" (3/3) ... [2021-11-12 23:45:03,026 INFO L111 eAbstractionObserver]: Analyzing ICFG mix009.opt.i [2021-11-12 23:45:03,032 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-12 23:45:03,032 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:45:03,033 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-12 23:45:03,033 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-12 23:45:03,104 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,104 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,105 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,105 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,105 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,105 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,106 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,106 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,106 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,107 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,108 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,109 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,109 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,109 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,109 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,110 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,111 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,111 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,111 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,111 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,111 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,112 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,112 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,113 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,113 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,113 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,114 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,114 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,114 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,115 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,115 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,115 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,116 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,116 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,116 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,116 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,116 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,116 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,117 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,117 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,117 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,117 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,117 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,118 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,118 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,118 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,120 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,120 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,120 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,120 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,121 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,121 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,122 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,122 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,122 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,122 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,122 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,123 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,123 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,123 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,123 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,123 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,124 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,124 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,124 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,124 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,124 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,124 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,125 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,125 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,125 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,125 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,126 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,126 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,126 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,126 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,127 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,127 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,127 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,127 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,127 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,127 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,128 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,128 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,132 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,134 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,134 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,135 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,136 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,136 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,137 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,137 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,138 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,138 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,144 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,144 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,144 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,144 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,145 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,145 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,145 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,145 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,146 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,146 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,146 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,146 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,146 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,147 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,147 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,147 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,147 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,147 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,147 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,147 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,148 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,148 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,148 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,148 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,148 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,148 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,149 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,149 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,149 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,149 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,149 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,149 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,150 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,150 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,150 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,151 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,151 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,151 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,151 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,151 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,151 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,152 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,152 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,152 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,153 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,153 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,153 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,153 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,155 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,155 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,155 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,156 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,156 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,156 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,156 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,156 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,156 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,157 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,157 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,158 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,158 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,158 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,158 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,158 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,160 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,160 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,161 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,161 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,161 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,161 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,161 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,161 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,162 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,162 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,162 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,162 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,162 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,162 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,163 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,163 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,163 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,163 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,163 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,163 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,164 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,164 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,166 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,166 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,166 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,166 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,167 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,167 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,167 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,167 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,168 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,168 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,168 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,168 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,168 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,168 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,169 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,169 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,169 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,170 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,177 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,177 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,177 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,178 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,178 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,178 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,178 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,178 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,179 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,179 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,179 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,179 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,179 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,181 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,184 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,185 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,185 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,185 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,185 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,185 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,186 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,186 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,186 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,188 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,188 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,188 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,188 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,189 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,190 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,190 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,190 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,190 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,190 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,191 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,191 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,191 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,191 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,191 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,191 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,192 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,192 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,192 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,192 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,192 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,193 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,193 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,193 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,193 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,193 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,193 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,194 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,194 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,194 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,194 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,195 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,195 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,195 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,195 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,195 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,196 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,196 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,196 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:45:03,197 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-12 23:45:03,254 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:45:03,265 INFO L339 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=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:45:03,265 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-12 23:45:03,283 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-12 23:45:03,301 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 101 transitions, 212 flow [2021-11-12 23:45:03,307 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 101 transitions, 212 flow [2021-11-12 23:45:03,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 101 transitions, 212 flow [2021-11-12 23:45:03,392 INFO L129 PetriNetUnfolder]: 2/99 cut-off events. [2021-11-12 23:45:03,392 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-12 23:45:03,396 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 99 events. 2/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2021-11-12 23:45:03,402 INFO L116 LiptonReduction]: Number of co-enabled transitions 1310 [2021-11-12 23:45:11,957 INFO L131 LiptonReduction]: Checked pairs total: 2953 [2021-11-12 23:45:11,957 INFO L133 LiptonReduction]: Total number of compositions: 91 [2021-11-12 23:45:11,965 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 20 transitions, 50 flow [2021-11-12 23:45:11,983 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 162 states, 159 states have (on average 2.389937106918239) internal successors, (380), 161 states have internal predecessors, (380), 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) [2021-11-12 23:45:11,987 INFO L276 IsEmpty]: Start isEmpty. Operand has 162 states, 159 states have (on average 2.389937106918239) internal successors, (380), 161 states have internal predecessors, (380), 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) [2021-11-12 23:45:11,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-12 23:45:11,992 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:45:11,992 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-12 23:45:11,993 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-12 23:45:11,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:45:11,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1165279549, now seen corresponding path program 1 times [2021-11-12 23:45:12,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:45:12,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [560038717] [2021-11-12 23:45:12,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:45:12,012 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:45:12,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:45:12,029 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:45:12,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:45:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:45:12,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:45:12,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:45:12,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:45:12,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:45:12,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:45:12,371 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:45:12,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [560038717] [2021-11-12 23:45:12,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [560038717] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:45:12,372 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:45:12,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-11-12 23:45:12,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948109903] [2021-11-12 23:45:12,389 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:45:12,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:45:12,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:45:12,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:45:12,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:45:12,435 INFO L87 Difference]: Start difference. First operand has 162 states, 159 states have (on average 2.389937106918239) internal successors, (380), 161 states have internal predecessors, (380), 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) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2021-11-12 23:45:12,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:45:12,577 INFO L93 Difference]: Finished difference Result 137 states and 315 transitions. [2021-11-12 23:45:12,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:45:12,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) Word has length 5 [2021-11-12 23:45:12,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:45:12,592 INFO L225 Difference]: With dead ends: 137 [2021-11-12 23:45:12,596 INFO L226 Difference]: Without dead ends: 132 [2021-11-12 23:45:12,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:45:12,605 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 6 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 90.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.87ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 115.29ms IncrementalHoareTripleChecker+Time [2021-11-12 23:45:12,609 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 2 Invalid, 29 Unknown, 0 Unchecked, 0.87ms Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 115.29ms Time] [2021-11-12 23:45:12,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-11-12 23:45:12,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2021-11-12 23:45:12,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 2.33587786259542) internal successors, (306), 131 states have internal predecessors, (306), 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) [2021-11-12 23:45:12,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 306 transitions. [2021-11-12 23:45:12,685 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 306 transitions. Word has length 5 [2021-11-12 23:45:12,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:45:12,685 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 306 transitions. [2021-11-12 23:45:12,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2021-11-12 23:45:12,686 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 306 transitions. [2021-11-12 23:45:12,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-12 23:45:12,687 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:45:12,687 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:45:12,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:45:12,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:45:12,910 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-12 23:45:12,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:45:12,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1152746307, now seen corresponding path program 1 times [2021-11-12 23:45:12,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:45:12,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [423027628] [2021-11-12 23:45:12,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:45:12,918 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:45:12,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:45:12,919 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:45:12,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:45:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:45:13,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:45:13,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:45:13,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:45:13,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:45:13,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:45:13,236 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:45:13,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [423027628] [2021-11-12 23:45:13,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [423027628] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:45:13,237 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:45:13,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:45:13,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747932051] [2021-11-12 23:45:13,238 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:45:13,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:45:13,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:45:13,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:45:13,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:45:13,241 INFO L87 Difference]: Start difference. First operand 132 states and 306 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-11-12 23:45:13,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:45:13,443 INFO L93 Difference]: Finished difference Result 75 states and 150 transitions. [2021-11-12 23:45:13,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:45:13,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 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) Word has length 7 [2021-11-12 23:45:13,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:45:13,444 INFO L225 Difference]: With dead ends: 75 [2021-11-12 23:45:13,445 INFO L226 Difference]: Without dead ends: 45 [2021-11-12 23:45:13,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:45:13,446 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 38 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 136.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.10ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 166.46ms IncrementalHoareTripleChecker+Time [2021-11-12 23:45:13,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 5 Invalid, 70 Unknown, 0 Unchecked, 2.10ms Time], IncrementalHoareTripleChecker [6 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 166.46ms Time] [2021-11-12 23:45:13,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-11-12 23:45:13,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-11-12 23:45:13,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.6363636363636365) internal successors, (72), 44 states have internal predecessors, (72), 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) [2021-11-12 23:45:13,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 72 transitions. [2021-11-12 23:45:13,451 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 72 transitions. Word has length 7 [2021-11-12 23:45:13,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:45:13,451 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 72 transitions. [2021-11-12 23:45:13,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 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) [2021-11-12 23:45:13,451 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2021-11-12 23:45:13,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-12 23:45:13,452 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:45:13,452 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:45:13,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:45:13,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:45:13,653 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-12 23:45:13,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:45:13,653 INFO L85 PathProgramCache]: Analyzing trace with hash -2117211409, now seen corresponding path program 1 times [2021-11-12 23:45:13,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:45:13,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058231836] [2021-11-12 23:45:13,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:45:13,655 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:45:13,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:45:13,659 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:45:13,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:45:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:45:13,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:45:13,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:45:13,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:45:13,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:45:14,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:45:14,038 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:45:14,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1058231836] [2021-11-12 23:45:14,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1058231836] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:45:14,038 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:45:14,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-12 23:45:14,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163572602] [2021-11-12 23:45:14,039 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:45:14,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:45:14,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:45:14,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:45:14,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:45:14,041 INFO L87 Difference]: Start difference. First operand 45 states and 72 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2021-11-12 23:45:14,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:45:14,160 INFO L93 Difference]: Finished difference Result 59 states and 91 transitions. [2021-11-12 23:45:14,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:45:14,160 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 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) Word has length 16 [2021-11-12 23:45:14,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:45:14,161 INFO L225 Difference]: With dead ends: 59 [2021-11-12 23:45:14,161 INFO L226 Difference]: Without dead ends: 25 [2021-11-12 23:45:14,161 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:45:14,163 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 26 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 92.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.97ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 106.70ms IncrementalHoareTripleChecker+Time [2021-11-12 23:45:14,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 1 Invalid, 56 Unknown, 0 Unchecked, 0.97ms Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 106.70ms Time] [2021-11-12 23:45:14,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-12 23:45:14,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-11-12 23:45:14,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 24 states have internal predecessors, (32), 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) [2021-11-12 23:45:14,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2021-11-12 23:45:14,166 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 16 [2021-11-12 23:45:14,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:45:14,166 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-11-12 23:45:14,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2021-11-12 23:45:14,167 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-11-12 23:45:14,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-12 23:45:14,167 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:45:14,167 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:45:14,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:45:14,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:45:14,369 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-12 23:45:14,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:45:14,369 INFO L85 PathProgramCache]: Analyzing trace with hash -769884287, now seen corresponding path program 2 times [2021-11-12 23:45:14,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:45:14,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [123372477] [2021-11-12 23:45:14,370 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-12 23:45:14,370 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:45:14,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:45:14,372 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:45:14,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:45:14,602 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-12 23:45:14,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:45:14,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-12 23:45:14,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:45:15,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:45:15,471 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:45:17,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:45:17,923 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:45:17,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [123372477] [2021-11-12 23:45:17,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [123372477] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:45:17,924 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:45:17,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 10 [2021-11-12 23:45:17,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263878993] [2021-11-12 23:45:17,924 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:45:17,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-12 23:45:17,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:45:17,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-12 23:45:17,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:45:17,926 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. Second operand has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 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) [2021-11-12 23:45:18,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:45:18,381 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2021-11-12 23:45:18,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:45:18,382 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 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) Word has length 16 [2021-11-12 23:45:18,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:45:18,382 INFO L225 Difference]: With dead ends: 31 [2021-11-12 23:45:18,382 INFO L226 Difference]: Without dead ends: 19 [2021-11-12 23:45:18,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2021-11-12 23:45:18,384 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 30 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 162.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.07ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 190.45ms IncrementalHoareTripleChecker+Time [2021-11-12 23:45:18,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 8 Invalid, 119 Unknown, 0 Unchecked, 2.07ms Time], IncrementalHoareTripleChecker [17 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 190.45ms Time] [2021-11-12 23:45:18,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-11-12 23:45:18,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-12 23:45:18,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 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) [2021-11-12 23:45:18,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2021-11-12 23:45:18,387 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 16 [2021-11-12 23:45:18,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:45:18,387 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2021-11-12 23:45:18,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 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) [2021-11-12 23:45:18,387 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2021-11-12 23:45:18,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-12 23:45:18,388 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:45:18,388 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:45:18,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:45:18,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:45:18,595 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-12 23:45:18,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:45:18,596 INFO L85 PathProgramCache]: Analyzing trace with hash -2028421375, now seen corresponding path program 3 times [2021-11-12 23:45:18,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:45:18,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [227952131] [2021-11-12 23:45:18,597 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:45:18,597 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:45:18,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:45:18,598 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:45:18,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:45:18,817 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-12 23:45:18,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-12 23:45:18,818 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 23:45:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:45:19,045 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-12 23:45:19,046 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 23:45:19,047 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2021-11-12 23:45:19,048 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2021-11-12 23:45:19,049 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 5 remaining) [2021-11-12 23:45:19,049 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 5 remaining) [2021-11-12 23:45:19,049 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2021-11-12 23:45:19,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:45:19,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:45:19,266 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2021-11-12 23:45:19,270 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-12 23:45:19,270 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:45:19,309 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:45:19,312 INFO L158 Benchmark]: Toolchain (without parser) took 18419.03ms. Allocated memory was 62.9MB in the beginning and 159.4MB in the end (delta: 96.5MB). Free memory was 41.4MB in the beginning and 109.0MB in the end (delta: -67.7MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2021-11-12 23:45:19,312 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:45:19,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 621.14ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 35.8MB in the end (delta: 5.2MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2021-11-12 23:45:19,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.07ms. Allocated memory is still 62.9MB. Free memory was 35.6MB in the beginning and 32.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-12 23:45:19,313 INFO L158 Benchmark]: Boogie Preprocessor took 74.57ms. Allocated memory is still 62.9MB. Free memory was 32.9MB in the beginning and 30.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:45:19,314 INFO L158 Benchmark]: RCFGBuilder took 1353.67ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 30.2MB in the beginning and 33.9MB in the end (delta: -3.6MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2021-11-12 23:45:19,314 INFO L158 Benchmark]: TraceAbstraction took 16292.22ms. Allocated memory was 81.8MB in the beginning and 159.4MB in the end (delta: 77.6MB). Free memory was 33.7MB in the beginning and 109.0MB in the end (delta: -75.4MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2021-11-12 23:45:19,316 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 621.14ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 35.8MB in the end (delta: 5.2MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.07ms. Allocated memory is still 62.9MB. Free memory was 35.6MB in the beginning and 32.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.57ms. Allocated memory is still 62.9MB. Free memory was 32.9MB in the beginning and 30.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1353.67ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 30.2MB in the beginning and 33.9MB in the end (delta: -3.6MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * TraceAbstraction took 16292.22ms. Allocated memory was 81.8MB in the beginning and 159.4MB in the end (delta: 77.6MB). Free memory was 33.7MB in the beginning and 109.0MB in the end (delta: -75.4MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.7s, 106 PlacesBefore, 27 PlacesAfterwards, 101 TransitionsBefore, 20 TransitionsAfterwards, 1310 CoEnabledTransitionPairs, 6 FixpointIterations, 42 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 91 TotalNumberOfCompositions, 2953 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1690, positive: 1565, positive conditional: 0, positive unconditional: 1565, negative: 125, negative conditional: 0, negative unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 974, positive: 923, positive conditional: 0, positive unconditional: 923, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 974, positive: 920, positive conditional: 0, positive unconditional: 920, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 973, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 921, negative conditional: 0, negative unconditional: 921, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1690, positive: 642, positive conditional: 0, positive unconditional: 642, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 974, unknown conditional: 0, unknown unconditional: 974] , Statistics on independence cache: Total cache size (in pairs): 74, Positive cache size: 54, Positive conditional cache size: 0, Positive unconditional cache size: 54, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-12 23:45:19,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d47c44-19c1-4d70-8d93-e4cbf3dfe0ac/bin/utaipan-vmNK8stdcF/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: ERROR: ExceptionOrErrorResult: NullPointerException: null