./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/unroll-5.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/unroll-5.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c8ce32899aa465c1eaa89b234122d94aaf792bb347295ccb743670e04bba6b8e --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 03:10:07,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 03:10:07,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 03:10:07,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 03:10:07,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 03:10:07,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 03:10:07,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 03:10:07,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 03:10:07,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 03:10:07,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 03:10:07,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 03:10:07,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 03:10:07,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 03:10:07,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 03:10:07,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 03:10:07,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 03:10:07,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 03:10:07,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 03:10:07,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 03:10:07,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 03:10:07,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 03:10:07,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 03:10:07,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 03:10:07,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 03:10:07,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 03:10:07,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 03:10:07,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 03:10:07,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 03:10:07,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 03:10:07,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 03:10:07,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 03:10:07,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 03:10:07,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 03:10:07,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 03:10:07,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 03:10:07,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 03:10:07,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 03:10:07,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 03:10:07,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 03:10:07,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 03:10:07,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 03:10:07,493 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 03:10:07,510 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 03:10:07,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 03:10:07,512 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 03:10:07,512 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 03:10:07,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 03:10:07,513 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 03:10:07,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 03:10:07,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 03:10:07,514 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 03:10:07,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 03:10:07,515 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 03:10:07,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 03:10:07,515 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 03:10:07,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 03:10:07,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 03:10:07,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 03:10:07,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 03:10:07,516 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 03:10:07,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 03:10:07,516 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 03:10:07,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 03:10:07,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 03:10:07,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 03:10:07,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 03:10:07,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:10:07,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 03:10:07,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 03:10:07,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 03:10:07,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 03:10:07,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 03:10:07,518 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 03:10:07,518 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 03:10:07,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 03:10:07,518 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 03:10:07,519 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8ce32899aa465c1eaa89b234122d94aaf792bb347295ccb743670e04bba6b8e [2021-12-16 03:10:07,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 03:10:07,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 03:10:07,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 03:10:07,734 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 03:10:07,735 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 03:10:07,735 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/unroll-5.wvr.c [2021-12-16 03:10:07,773 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f29c8655f/1d44061e042b4a5ca39bca6eecb2f2df/FLAG6891773e6 [2021-12-16 03:10:08,119 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 03:10:08,119 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/unroll-5.wvr.c [2021-12-16 03:10:08,124 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f29c8655f/1d44061e042b4a5ca39bca6eecb2f2df/FLAG6891773e6 [2021-12-16 03:10:08,549 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f29c8655f/1d44061e042b4a5ca39bca6eecb2f2df [2021-12-16 03:10:08,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 03:10:08,553 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 03:10:08,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 03:10:08,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 03:10:08,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 03:10:08,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:10:08" (1/1) ... [2021-12-16 03:10:08,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5468d3d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:10:08, skipping insertion in model container [2021-12-16 03:10:08,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:10:08" (1/1) ... [2021-12-16 03:10:08,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 03:10:08,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 03:10:08,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/unroll-5.wvr.c[2644,2657] [2021-12-16 03:10:08,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:10:08,737 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 03:10:08,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/unroll-5.wvr.c[2644,2657] [2021-12-16 03:10:08,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:10:08,765 INFO L208 MainTranslator]: Completed translation [2021-12-16 03:10:08,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:10:08 WrapperNode [2021-12-16 03:10:08,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 03:10:08,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 03:10:08,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 03:10:08,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 03:10:08,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:10:08" (1/1) ... [2021-12-16 03:10:08,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:10:08" (1/1) ... [2021-12-16 03:10:08,822 INFO L137 Inliner]: procedures = 24, calls = 38, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 164 [2021-12-16 03:10:08,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 03:10:08,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 03:10:08,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 03:10:08,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 03:10:08,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:10:08" (1/1) ... [2021-12-16 03:10:08,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:10:08" (1/1) ... [2021-12-16 03:10:08,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:10:08" (1/1) ... [2021-12-16 03:10:08,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:10:08" (1/1) ... [2021-12-16 03:10:08,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:10:08" (1/1) ... [2021-12-16 03:10:08,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:10:08" (1/1) ... [2021-12-16 03:10:08,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:10:08" (1/1) ... [2021-12-16 03:10:08,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 03:10:08,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 03:10:08,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 03:10:08,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 03:10:08,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:10:08" (1/1) ... [2021-12-16 03:10:08,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:10:08,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:10:08,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 03:10:08,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 03:10:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 03:10:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-16 03:10:08,934 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-16 03:10:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-16 03:10:08,934 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-16 03:10:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 03:10:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 03:10:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 03:10:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 03:10:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 03:10:08,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 03:10:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 03:10:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 03:10:08,936 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-16 03:10:09,003 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 03:10:09,004 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 03:10:09,237 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 03:10:09,244 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 03:10:09,244 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-16 03:10:09,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:10:09 BoogieIcfgContainer [2021-12-16 03:10:09,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 03:10:09,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 03:10:09,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 03:10:09,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 03:10:09,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:10:08" (1/3) ... [2021-12-16 03:10:09,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e63a9a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:10:09, skipping insertion in model container [2021-12-16 03:10:09,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:10:08" (2/3) ... [2021-12-16 03:10:09,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e63a9a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:10:09, skipping insertion in model container [2021-12-16 03:10:09,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:10:09" (3/3) ... [2021-12-16 03:10:09,252 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-5.wvr.c [2021-12-16 03:10:09,255 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-16 03:10:09,255 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 03:10:09,256 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 03:10:09,256 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-16 03:10:09,305 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,305 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,306 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,306 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,306 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,306 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,306 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,307 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,307 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,307 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,307 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,308 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,308 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,308 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,308 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,308 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,309 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,309 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,309 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,309 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,309 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,309 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,310 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,310 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,310 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,310 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,311 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,311 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,311 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,311 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,316 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,317 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,317 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,317 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,317 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,317 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,318 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,318 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,319 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,319 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,319 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,319 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,319 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,320 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,320 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,320 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,320 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,320 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,321 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,321 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,321 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,321 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,321 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,321 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,322 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,322 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,322 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,322 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,322 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,322 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,323 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,323 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,323 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,323 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,323 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,324 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,324 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,324 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,324 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,324 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,324 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,324 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,325 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,325 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,325 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,325 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,325 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,326 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,326 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,326 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,326 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,326 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,326 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,327 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,327 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,327 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,328 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,328 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,329 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,329 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,330 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,330 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,331 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,331 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,331 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,331 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,331 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,332 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,332 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,332 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,332 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,333 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,333 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,333 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,333 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,334 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,334 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,334 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,335 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,335 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,335 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,335 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,335 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,336 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,336 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,336 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,337 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,337 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,338 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,338 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,338 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,338 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,338 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,339 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,339 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,339 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,339 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,339 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,340 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,340 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,340 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,340 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,340 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,340 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,341 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,341 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,342 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,342 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,342 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,346 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,347 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,347 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,347 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,347 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,348 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,348 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,348 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,349 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,349 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,349 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,349 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,349 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,349 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,350 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,350 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,350 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,350 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,350 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,351 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,351 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,351 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,351 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,351 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,352 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,352 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,352 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,352 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,352 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,352 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,353 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,353 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,353 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,354 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,354 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,354 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,354 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,355 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,355 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,356 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,356 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,357 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,357 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,357 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,357 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,357 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,358 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,358 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,359 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,361 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,363 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,364 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,364 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,364 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,364 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,364 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,368 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,368 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,369 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,369 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,369 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,369 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,369 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,369 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,370 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,370 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,370 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,370 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,370 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,371 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,371 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:10:09,378 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-12-16 03:10:09,422 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 03:10:09,431 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 03:10:09,432 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-16 03:10:09,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 203 places, 213 transitions, 442 flow [2021-12-16 03:10:09,528 INFO L129 PetriNetUnfolder]: 17/211 cut-off events. [2021-12-16 03:10:09,529 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-16 03:10:09,538 INFO L84 FinitePrefix]: Finished finitePrefix Result has 220 conditions, 211 events. 17/211 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 178 event pairs, 0 based on Foata normal form. 0/193 useless extension candidates. Maximal degree in co-relation 110. Up to 2 conditions per place. [2021-12-16 03:10:09,538 INFO L82 GeneralOperation]: Start removeDead. Operand has 203 places, 213 transitions, 442 flow [2021-12-16 03:10:09,543 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 192 places, 202 transitions, 416 flow [2021-12-16 03:10:09,564 INFO L129 PetriNetUnfolder]: 13/156 cut-off events. [2021-12-16 03:10:09,565 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-16 03:10:09,565 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:10:09,566 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:10:09,566 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-16 03:10:09,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:10:09,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1815692484, now seen corresponding path program 1 times [2021-12-16 03:10:09,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:10:09,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106027141] [2021-12-16 03:10:09,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:10:09,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:10:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:10:09,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:10:09,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:10:09,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106027141] [2021-12-16 03:10:09,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106027141] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:10:09,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:10:09,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 03:10:09,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574417239] [2021-12-16 03:10:09,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:10:09,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 03:10:09,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:10:09,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 03:10:09,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 03:10:09,791 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 213 [2021-12-16 03:10:09,797 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 202 transitions, 416 flow. Second operand has 2 states, 2 states have (on average 196.5) internal successors, (393), 2 states have internal predecessors, (393), 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) [2021-12-16 03:10:09,798 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:10:09,798 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 213 [2021-12-16 03:10:09,799 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:10:09,855 INFO L129 PetriNetUnfolder]: 3/188 cut-off events. [2021-12-16 03:10:09,859 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-12-16 03:10:09,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 188 events. 3/188 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 142 event pairs, 0 based on Foata normal form. 17/191 useless extension candidates. Maximal degree in co-relation 104. Up to 5 conditions per place. [2021-12-16 03:10:09,862 INFO L132 encePairwiseOnDemand]: 199/213 looper letters, 4 selfloop transitions, 0 changer transitions 5/188 dead transitions. [2021-12-16 03:10:09,862 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 188 transitions, 396 flow [2021-12-16 03:10:09,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 03:10:09,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-16 03:10:09,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 406 transitions. [2021-12-16 03:10:09,876 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9530516431924883 [2021-12-16 03:10:09,876 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 406 transitions. [2021-12-16 03:10:09,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 406 transitions. [2021-12-16 03:10:09,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:10:09,881 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 406 transitions. [2021-12-16 03:10:09,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 203.0) internal successors, (406), 2 states have internal predecessors, (406), 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) [2021-12-16 03:10:09,892 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 213.0) internal successors, (639), 3 states have internal predecessors, (639), 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) [2021-12-16 03:10:09,892 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 213.0) internal successors, (639), 3 states have internal predecessors, (639), 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) [2021-12-16 03:10:09,893 INFO L186 Difference]: Start difference. First operand has 192 places, 202 transitions, 416 flow. Second operand 2 states and 406 transitions. [2021-12-16 03:10:09,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 188 transitions, 396 flow [2021-12-16 03:10:09,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 188 transitions, 388 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-16 03:10:09,900 INFO L242 Difference]: Finished difference. Result has 189 places, 183 transitions, 370 flow [2021-12-16 03:10:09,902 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=370, PETRI_PLACES=189, PETRI_TRANSITIONS=183} [2021-12-16 03:10:09,904 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, -3 predicate places. [2021-12-16 03:10:09,905 INFO L470 AbstractCegarLoop]: Abstraction has has 189 places, 183 transitions, 370 flow [2021-12-16 03:10:09,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 196.5) internal successors, (393), 2 states have internal predecessors, (393), 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) [2021-12-16 03:10:09,905 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:10:09,906 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:10:09,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 03:10:09,906 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-16 03:10:09,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:10:09,907 INFO L85 PathProgramCache]: Analyzing trace with hash 849220131, now seen corresponding path program 1 times [2021-12-16 03:10:09,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:10:09,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647793154] [2021-12-16 03:10:09,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:10:09,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:10:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:10:10,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:10:10,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:10:10,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647793154] [2021-12-16 03:10:10,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647793154] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:10:10,128 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:10:10,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-16 03:10:10,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947349645] [2021-12-16 03:10:10,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:10:10,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 03:10:10,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:10:10,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 03:10:10,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-16 03:10:10,133 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 213 [2021-12-16 03:10:10,134 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 183 transitions, 370 flow. Second operand has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 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) [2021-12-16 03:10:10,134 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:10:10,134 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 213 [2021-12-16 03:10:10,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:10:10,270 INFO L129 PetriNetUnfolder]: 28/385 cut-off events. [2021-12-16 03:10:10,270 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2021-12-16 03:10:10,272 INFO L84 FinitePrefix]: Finished finitePrefix Result has 473 conditions, 385 events. 28/385 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 969 event pairs, 11 based on Foata normal form. 0/353 useless extension candidates. Maximal degree in co-relation 470. Up to 70 conditions per place. [2021-12-16 03:10:10,273 INFO L132 encePairwiseOnDemand]: 205/213 looper letters, 39 selfloop transitions, 7 changer transitions 0/187 dead transitions. [2021-12-16 03:10:10,273 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 187 transitions, 470 flow [2021-12-16 03:10:10,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:10:10,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-12-16 03:10:10,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1255 transitions. [2021-12-16 03:10:10,277 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7365023474178404 [2021-12-16 03:10:10,277 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1255 transitions. [2021-12-16 03:10:10,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1255 transitions. [2021-12-16 03:10:10,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:10:10,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1255 transitions. [2021-12-16 03:10:10,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 156.875) internal successors, (1255), 8 states have internal predecessors, (1255), 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) [2021-12-16 03:10:10,284 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 213.0) internal successors, (1917), 9 states have internal predecessors, (1917), 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) [2021-12-16 03:10:10,285 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 213.0) internal successors, (1917), 9 states have internal predecessors, (1917), 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) [2021-12-16 03:10:10,285 INFO L186 Difference]: Start difference. First operand has 189 places, 183 transitions, 370 flow. Second operand 8 states and 1255 transitions. [2021-12-16 03:10:10,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 187 transitions, 470 flow [2021-12-16 03:10:10,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 187 transitions, 470 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-16 03:10:10,294 INFO L242 Difference]: Finished difference. Result has 192 places, 184 transitions, 392 flow [2021-12-16 03:10:10,295 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=392, PETRI_PLACES=192, PETRI_TRANSITIONS=184} [2021-12-16 03:10:10,295 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, 0 predicate places. [2021-12-16 03:10:10,296 INFO L470 AbstractCegarLoop]: Abstraction has has 192 places, 184 transitions, 392 flow [2021-12-16 03:10:10,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 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) [2021-12-16 03:10:10,296 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:10:10,297 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:10:10,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 03:10:10,297 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-16 03:10:10,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:10:10,298 INFO L85 PathProgramCache]: Analyzing trace with hash 975416349, now seen corresponding path program 1 times [2021-12-16 03:10:10,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:10:10,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542383557] [2021-12-16 03:10:10,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:10:10,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:10:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:10:10,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 03:10:10,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:10:10,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542383557] [2021-12-16 03:10:10,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542383557] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:10:10,526 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:10:10,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 03:10:10,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099748014] [2021-12-16 03:10:10,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:10:10,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 03:10:10,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:10:10,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 03:10:10,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 03:10:10,532 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 213 [2021-12-16 03:10:10,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 184 transitions, 392 flow. Second operand has 6 states, 6 states have (on average 153.33333333333334) internal successors, (920), 6 states have internal predecessors, (920), 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) [2021-12-16 03:10:10,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:10:10,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 213 [2021-12-16 03:10:10,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:10:10,725 INFO L129 PetriNetUnfolder]: 145/915 cut-off events. [2021-12-16 03:10:10,726 INFO L130 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2021-12-16 03:10:10,728 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1255 conditions, 915 events. 145/915 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 5108 event pairs, 47 based on Foata normal form. 1/851 useless extension candidates. Maximal degree in co-relation 1250. Up to 160 conditions per place. [2021-12-16 03:10:10,730 INFO L132 encePairwiseOnDemand]: 206/213 looper letters, 71 selfloop transitions, 5 changer transitions 4/220 dead transitions. [2021-12-16 03:10:10,730 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 220 transitions, 629 flow [2021-12-16 03:10:10,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 03:10:10,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-16 03:10:10,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 975 transitions. [2021-12-16 03:10:10,732 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7629107981220657 [2021-12-16 03:10:10,733 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 975 transitions. [2021-12-16 03:10:10,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 975 transitions. [2021-12-16 03:10:10,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:10:10,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 975 transitions. [2021-12-16 03:10:10,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 162.5) internal successors, (975), 6 states have internal predecessors, (975), 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) [2021-12-16 03:10:10,737 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 213.0) internal successors, (1491), 7 states have internal predecessors, (1491), 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) [2021-12-16 03:10:10,737 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 213.0) internal successors, (1491), 7 states have internal predecessors, (1491), 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) [2021-12-16 03:10:10,737 INFO L186 Difference]: Start difference. First operand has 192 places, 184 transitions, 392 flow. Second operand 6 states and 975 transitions. [2021-12-16 03:10:10,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 220 transitions, 629 flow [2021-12-16 03:10:10,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 220 transitions, 617 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-12-16 03:10:10,743 INFO L242 Difference]: Finished difference. Result has 194 places, 187 transitions, 409 flow [2021-12-16 03:10:10,743 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=409, PETRI_PLACES=194, PETRI_TRANSITIONS=187} [2021-12-16 03:10:10,745 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, 2 predicate places. [2021-12-16 03:10:10,745 INFO L470 AbstractCegarLoop]: Abstraction has has 194 places, 187 transitions, 409 flow [2021-12-16 03:10:10,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 153.33333333333334) internal successors, (920), 6 states have internal predecessors, (920), 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) [2021-12-16 03:10:10,746 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:10:10,746 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:10:10,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 03:10:10,746 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-16 03:10:10,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:10:10,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1302967288, now seen corresponding path program 1 times [2021-12-16 03:10:10,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:10:10,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21872767] [2021-12-16 03:10:10,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:10:10,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:10:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:10:10,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 03:10:10,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:10:10,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21872767] [2021-12-16 03:10:10,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21872767] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:10:10,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888866345] [2021-12-16 03:10:10,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:10:10,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:10:10,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:10:10,894 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:10:10,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-16 03:10:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:10:10,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-16 03:10:10,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:10:11,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 03:10:11,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 03:10:11,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 03:10:11,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888866345] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-16 03:10:11,423 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-16 03:10:11,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 7 [2021-12-16 03:10:11,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449093897] [2021-12-16 03:10:11,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:10:11,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 03:10:11,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:10:11,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 03:10:11,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-16 03:10:11,426 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 213 [2021-12-16 03:10:11,426 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 187 transitions, 409 flow. Second operand has 4 states, 4 states have (on average 178.75) internal successors, (715), 4 states have internal predecessors, (715), 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) [2021-12-16 03:10:11,426 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:10:11,426 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 213 [2021-12-16 03:10:11,427 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:10:11,552 INFO L129 PetriNetUnfolder]: 128/942 cut-off events. [2021-12-16 03:10:11,552 INFO L130 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2021-12-16 03:10:11,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1241 conditions, 942 events. 128/942 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4964 event pairs, 13 based on Foata normal form. 0/829 useless extension candidates. Maximal degree in co-relation 1233. Up to 175 conditions per place. [2021-12-16 03:10:11,555 INFO L132 encePairwiseOnDemand]: 208/213 looper letters, 28 selfloop transitions, 5 changer transitions 1/199 dead transitions. [2021-12-16 03:10:11,556 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 199 transitions, 505 flow [2021-12-16 03:10:11,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 03:10:11,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-12-16 03:10:11,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 739 transitions. [2021-12-16 03:10:11,557 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8673708920187794 [2021-12-16 03:10:11,557 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 739 transitions. [2021-12-16 03:10:11,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 739 transitions. [2021-12-16 03:10:11,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:10:11,558 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 739 transitions. [2021-12-16 03:10:11,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 184.75) internal successors, (739), 4 states have internal predecessors, (739), 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) [2021-12-16 03:10:11,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 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) [2021-12-16 03:10:11,561 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 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) [2021-12-16 03:10:11,561 INFO L186 Difference]: Start difference. First operand has 194 places, 187 transitions, 409 flow. Second operand 4 states and 739 transitions. [2021-12-16 03:10:11,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 199 transitions, 505 flow [2021-12-16 03:10:11,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 199 transitions, 501 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-12-16 03:10:11,565 INFO L242 Difference]: Finished difference. Result has 196 places, 191 transitions, 441 flow [2021-12-16 03:10:11,565 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=441, PETRI_PLACES=196, PETRI_TRANSITIONS=191} [2021-12-16 03:10:11,565 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, 4 predicate places. [2021-12-16 03:10:11,566 INFO L470 AbstractCegarLoop]: Abstraction has has 196 places, 191 transitions, 441 flow [2021-12-16 03:10:11,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 178.75) internal successors, (715), 4 states have internal predecessors, (715), 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) [2021-12-16 03:10:11,566 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:10:11,566 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:10:11,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-16 03:10:11,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:10:11,803 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-16 03:10:11,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:10:11,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1873768424, now seen corresponding path program 2 times [2021-12-16 03:10:11,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:10:11,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782099814] [2021-12-16 03:10:11,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:10:11,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:10:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:10:11,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 03:10:11,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:10:11,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782099814] [2021-12-16 03:10:11,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782099814] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:10:11,845 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:10:11,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 03:10:11,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153015855] [2021-12-16 03:10:11,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:10:11,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 03:10:11,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:10:11,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 03:10:11,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 03:10:11,847 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 213 [2021-12-16 03:10:11,847 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 191 transitions, 441 flow. Second operand has 4 states, 4 states have (on average 178.75) internal successors, (715), 4 states have internal predecessors, (715), 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) [2021-12-16 03:10:11,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:10:11,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 213 [2021-12-16 03:10:11,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:10:11,954 INFO L129 PetriNetUnfolder]: 144/1036 cut-off events. [2021-12-16 03:10:11,954 INFO L130 PetriNetUnfolder]: For 174/174 co-relation queries the response was YES. [2021-12-16 03:10:11,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1523 conditions, 1036 events. 144/1036 cut-off events. For 174/174 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5387 event pairs, 54 based on Foata normal form. 2/976 useless extension candidates. Maximal degree in co-relation 1514. Up to 221 conditions per place. [2021-12-16 03:10:11,959 INFO L132 encePairwiseOnDemand]: 207/213 looper letters, 31 selfloop transitions, 6 changer transitions 0/202 dead transitions. [2021-12-16 03:10:11,959 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 202 transitions, 556 flow [2021-12-16 03:10:11,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 03:10:11,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-16 03:10:11,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 913 transitions. [2021-12-16 03:10:11,961 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8572769953051643 [2021-12-16 03:10:11,961 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 913 transitions. [2021-12-16 03:10:11,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 913 transitions. [2021-12-16 03:10:11,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:10:11,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 913 transitions. [2021-12-16 03:10:11,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 182.6) internal successors, (913), 5 states have internal predecessors, (913), 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) [2021-12-16 03:10:11,965 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 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) [2021-12-16 03:10:11,965 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 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) [2021-12-16 03:10:11,965 INFO L186 Difference]: Start difference. First operand has 196 places, 191 transitions, 441 flow. Second operand 5 states and 913 transitions. [2021-12-16 03:10:11,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 202 transitions, 556 flow [2021-12-16 03:10:11,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 202 transitions, 556 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-16 03:10:11,969 INFO L242 Difference]: Finished difference. Result has 202 places, 193 transitions, 476 flow [2021-12-16 03:10:11,970 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=441, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=476, PETRI_PLACES=202, PETRI_TRANSITIONS=193} [2021-12-16 03:10:11,970 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, 10 predicate places. [2021-12-16 03:10:11,970 INFO L470 AbstractCegarLoop]: Abstraction has has 202 places, 193 transitions, 476 flow [2021-12-16 03:10:11,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 178.75) internal successors, (715), 4 states have internal predecessors, (715), 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) [2021-12-16 03:10:11,971 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:10:11,971 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:10:11,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 03:10:11,971 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-16 03:10:11,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:10:11,972 INFO L85 PathProgramCache]: Analyzing trace with hash -760661096, now seen corresponding path program 3 times [2021-12-16 03:10:11,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:10:11,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17497558] [2021-12-16 03:10:11,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:10:11,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:10:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:10:12,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 03:10:12,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:10:12,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17497558] [2021-12-16 03:10:12,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17497558] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:10:12,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888633380] [2021-12-16 03:10:12,059 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-16 03:10:12,059 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:10:12,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:10:12,074 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:10:12,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-16 03:10:12,144 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-16 03:10:12,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-16 03:10:12,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-16 03:10:12,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:10:12,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 03:10:12,323 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 03:10:12,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 03:10:12,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888633380] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 03:10:12,428 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 03:10:12,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 4] total 8 [2021-12-16 03:10:12,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316953864] [2021-12-16 03:10:12,428 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 03:10:12,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 03:10:12,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:10:12,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 03:10:12,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 03:10:12,433 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 213 [2021-12-16 03:10:12,434 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 193 transitions, 476 flow. Second operand has 8 states, 8 states have (on average 176.125) internal successors, (1409), 8 states have internal predecessors, (1409), 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) [2021-12-16 03:10:12,434 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:10:12,434 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 213 [2021-12-16 03:10:12,434 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:10:12,670 INFO L129 PetriNetUnfolder]: 279/1926 cut-off events. [2021-12-16 03:10:12,670 INFO L130 PetriNetUnfolder]: For 694/702 co-relation queries the response was YES. [2021-12-16 03:10:12,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3024 conditions, 1926 events. 279/1926 cut-off events. For 694/702 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 13056 event pairs, 99 based on Foata normal form. 8/1812 useless extension candidates. Maximal degree in co-relation 3012. Up to 392 conditions per place. [2021-12-16 03:10:12,680 INFO L132 encePairwiseOnDemand]: 207/213 looper letters, 62 selfloop transitions, 25 changer transitions 2/251 dead transitions. [2021-12-16 03:10:12,680 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 251 transitions, 874 flow [2021-12-16 03:10:12,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 03:10:12,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-16 03:10:12,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1637 transitions. [2021-12-16 03:10:12,699 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8539384454877412 [2021-12-16 03:10:12,699 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1637 transitions. [2021-12-16 03:10:12,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1637 transitions. [2021-12-16 03:10:12,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:10:12,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1637 transitions. [2021-12-16 03:10:12,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 181.88888888888889) internal successors, (1637), 9 states have internal predecessors, (1637), 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) [2021-12-16 03:10:12,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 213.0) internal successors, (2130), 10 states have internal predecessors, (2130), 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) [2021-12-16 03:10:12,706 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 213.0) internal successors, (2130), 10 states have internal predecessors, (2130), 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) [2021-12-16 03:10:12,706 INFO L186 Difference]: Start difference. First operand has 202 places, 193 transitions, 476 flow. Second operand 9 states and 1637 transitions. [2021-12-16 03:10:12,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 251 transitions, 874 flow [2021-12-16 03:10:12,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 251 transitions, 864 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-16 03:10:12,711 INFO L242 Difference]: Finished difference. Result has 213 places, 216 transitions, 676 flow [2021-12-16 03:10:12,711 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=469, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=676, PETRI_PLACES=213, PETRI_TRANSITIONS=216} [2021-12-16 03:10:12,712 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, 21 predicate places. [2021-12-16 03:10:12,712 INFO L470 AbstractCegarLoop]: Abstraction has has 213 places, 216 transitions, 676 flow [2021-12-16 03:10:12,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 176.125) internal successors, (1409), 8 states have internal predecessors, (1409), 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) [2021-12-16 03:10:12,713 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:10:12,713 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:10:12,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-16 03:10:12,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-16 03:10:12,949 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-16 03:10:12,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:10:12,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1762707664, now seen corresponding path program 4 times [2021-12-16 03:10:12,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:10:12,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481259938] [2021-12-16 03:10:12,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:10:12,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:10:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:10:13,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 03:10:13,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:10:13,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481259938] [2021-12-16 03:10:13,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481259938] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:10:13,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:10:13,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 03:10:13,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080572277] [2021-12-16 03:10:13,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:10:13,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 03:10:13,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:10:13,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 03:10:13,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-16 03:10:13,026 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 213 [2021-12-16 03:10:13,027 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 216 transitions, 676 flow. Second operand has 6 states, 6 states have (on average 175.33333333333334) internal successors, (1052), 6 states have internal predecessors, (1052), 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) [2021-12-16 03:10:13,027 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:10:13,027 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 213 [2021-12-16 03:10:13,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:10:13,262 INFO L129 PetriNetUnfolder]: 276/1875 cut-off events. [2021-12-16 03:10:13,262 INFO L130 PetriNetUnfolder]: For 1201/1201 co-relation queries the response was YES. [2021-12-16 03:10:13,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3211 conditions, 1875 events. 276/1875 cut-off events. For 1201/1201 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 12618 event pairs, 119 based on Foata normal form. 11/1763 useless extension candidates. Maximal degree in co-relation 3194. Up to 418 conditions per place. [2021-12-16 03:10:13,270 INFO L132 encePairwiseOnDemand]: 205/213 looper letters, 56 selfloop transitions, 20 changer transitions 2/240 dead transitions. [2021-12-16 03:10:13,270 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 240 transitions, 928 flow [2021-12-16 03:10:13,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 03:10:13,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-16 03:10:13,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1095 transitions. [2021-12-16 03:10:13,272 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8568075117370892 [2021-12-16 03:10:13,273 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1095 transitions. [2021-12-16 03:10:13,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1095 transitions. [2021-12-16 03:10:13,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:10:13,273 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1095 transitions. [2021-12-16 03:10:13,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 182.5) internal successors, (1095), 6 states have internal predecessors, (1095), 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) [2021-12-16 03:10:13,276 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 213.0) internal successors, (1491), 7 states have internal predecessors, (1491), 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) [2021-12-16 03:10:13,277 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 213.0) internal successors, (1491), 7 states have internal predecessors, (1491), 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) [2021-12-16 03:10:13,277 INFO L186 Difference]: Start difference. First operand has 213 places, 216 transitions, 676 flow. Second operand 6 states and 1095 transitions. [2021-12-16 03:10:13,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 240 transitions, 928 flow [2021-12-16 03:10:13,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 240 transitions, 907 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-12-16 03:10:13,282 INFO L242 Difference]: Finished difference. Result has 220 places, 221 transitions, 764 flow [2021-12-16 03:10:13,283 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=643, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=764, PETRI_PLACES=220, PETRI_TRANSITIONS=221} [2021-12-16 03:10:13,283 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, 28 predicate places. [2021-12-16 03:10:13,283 INFO L470 AbstractCegarLoop]: Abstraction has has 220 places, 221 transitions, 764 flow [2021-12-16 03:10:13,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 175.33333333333334) internal successors, (1052), 6 states have internal predecessors, (1052), 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) [2021-12-16 03:10:13,284 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:10:13,284 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:10:13,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 03:10:13,284 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-16 03:10:13,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:10:13,285 INFO L85 PathProgramCache]: Analyzing trace with hash 821003656, now seen corresponding path program 1 times [2021-12-16 03:10:13,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:10:13,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641104752] [2021-12-16 03:10:13,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:10:13,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:10:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:10:13,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 03:10:13,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:10:13,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641104752] [2021-12-16 03:10:13,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641104752] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:10:13,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:10:13,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 03:10:13,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612218221] [2021-12-16 03:10:13,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:10:13,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 03:10:13,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:10:13,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 03:10:13,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-16 03:10:13,347 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 213 [2021-12-16 03:10:13,347 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 221 transitions, 764 flow. Second operand has 4 states, 4 states have (on average 186.75) internal successors, (747), 4 states have internal predecessors, (747), 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) [2021-12-16 03:10:13,347 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:10:13,348 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 213 [2021-12-16 03:10:13,348 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:10:13,485 INFO L129 PetriNetUnfolder]: 120/1433 cut-off events. [2021-12-16 03:10:13,485 INFO L130 PetriNetUnfolder]: For 997/1034 co-relation queries the response was YES. [2021-12-16 03:10:13,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2346 conditions, 1433 events. 120/1433 cut-off events. For 997/1034 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 8226 event pairs, 18 based on Foata normal form. 26/1348 useless extension candidates. Maximal degree in co-relation 2326. Up to 168 conditions per place. [2021-12-16 03:10:13,494 INFO L132 encePairwiseOnDemand]: 208/213 looper letters, 44 selfloop transitions, 11 changer transitions 0/233 dead transitions. [2021-12-16 03:10:13,494 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 233 transitions, 948 flow [2021-12-16 03:10:13,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 03:10:13,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-12-16 03:10:13,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 762 transitions. [2021-12-16 03:10:13,496 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8943661971830986 [2021-12-16 03:10:13,496 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 762 transitions. [2021-12-16 03:10:13,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 762 transitions. [2021-12-16 03:10:13,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:10:13,496 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 762 transitions. [2021-12-16 03:10:13,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 190.5) internal successors, (762), 4 states have internal predecessors, (762), 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) [2021-12-16 03:10:13,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 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) [2021-12-16 03:10:13,499 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 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) [2021-12-16 03:10:13,499 INFO L186 Difference]: Start difference. First operand has 220 places, 221 transitions, 764 flow. Second operand 4 states and 762 transitions. [2021-12-16 03:10:13,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 233 transitions, 948 flow [2021-12-16 03:10:13,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 233 transitions, 924 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-12-16 03:10:13,505 INFO L242 Difference]: Finished difference. Result has 221 places, 225 transitions, 819 flow [2021-12-16 03:10:13,505 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=819, PETRI_PLACES=221, PETRI_TRANSITIONS=225} [2021-12-16 03:10:13,506 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, 29 predicate places. [2021-12-16 03:10:13,506 INFO L470 AbstractCegarLoop]: Abstraction has has 221 places, 225 transitions, 819 flow [2021-12-16 03:10:13,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 186.75) internal successors, (747), 4 states have internal predecessors, (747), 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) [2021-12-16 03:10:13,506 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:10:13,506 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:10:13,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 03:10:13,507 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-16 03:10:13,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:10:13,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1158527802, now seen corresponding path program 2 times [2021-12-16 03:10:13,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:10:13,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770010498] [2021-12-16 03:10:13,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:10:13,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:10:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:10:13,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 03:10:13,574 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:10:13,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770010498] [2021-12-16 03:10:13,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770010498] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:10:13,574 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:10:13,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 03:10:13,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447241114] [2021-12-16 03:10:13,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:10:13,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 03:10:13,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:10:13,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 03:10:13,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-16 03:10:13,576 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 213 [2021-12-16 03:10:13,577 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 225 transitions, 819 flow. Second operand has 5 states, 5 states have (on average 177.4) internal successors, (887), 5 states have internal predecessors, (887), 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) [2021-12-16 03:10:13,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:10:13,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 213 [2021-12-16 03:10:13,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:10:13,849 INFO L129 PetriNetUnfolder]: 305/2128 cut-off events. [2021-12-16 03:10:13,849 INFO L130 PetriNetUnfolder]: For 1870/1870 co-relation queries the response was YES. [2021-12-16 03:10:13,855 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3847 conditions, 2128 events. 305/2128 cut-off events. For 1870/1870 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 13712 event pairs, 128 based on Foata normal form. 8/2001 useless extension candidates. Maximal degree in co-relation 3826. Up to 290 conditions per place. [2021-12-16 03:10:13,861 INFO L132 encePairwiseOnDemand]: 206/213 looper letters, 79 selfloop transitions, 16 changer transitions 3/260 dead transitions. [2021-12-16 03:10:13,862 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 260 transitions, 1157 flow [2021-12-16 03:10:13,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 03:10:13,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-16 03:10:13,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1099 transitions. [2021-12-16 03:10:13,864 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8599374021909233 [2021-12-16 03:10:13,864 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1099 transitions. [2021-12-16 03:10:13,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1099 transitions. [2021-12-16 03:10:13,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:10:13,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1099 transitions. [2021-12-16 03:10:13,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 183.16666666666666) internal successors, (1099), 6 states have internal predecessors, (1099), 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) [2021-12-16 03:10:13,868 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 213.0) internal successors, (1491), 7 states have internal predecessors, (1491), 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) [2021-12-16 03:10:13,868 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 213.0) internal successors, (1491), 7 states have internal predecessors, (1491), 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) [2021-12-16 03:10:13,869 INFO L186 Difference]: Start difference. First operand has 221 places, 225 transitions, 819 flow. Second operand 6 states and 1099 transitions. [2021-12-16 03:10:13,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 260 transitions, 1157 flow [2021-12-16 03:10:13,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 260 transitions, 1149 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-12-16 03:10:13,875 INFO L242 Difference]: Finished difference. Result has 228 places, 227 transitions, 886 flow [2021-12-16 03:10:13,875 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=811, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=886, PETRI_PLACES=228, PETRI_TRANSITIONS=227} [2021-12-16 03:10:13,876 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, 36 predicate places. [2021-12-16 03:10:13,876 INFO L470 AbstractCegarLoop]: Abstraction has has 228 places, 227 transitions, 886 flow [2021-12-16 03:10:13,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 177.4) internal successors, (887), 5 states have internal predecessors, (887), 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) [2021-12-16 03:10:13,877 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:10:13,877 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:10:13,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-16 03:10:13,877 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-16 03:10:13,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:10:13,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1884042800, now seen corresponding path program 3 times [2021-12-16 03:10:13,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:10:13,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339789335] [2021-12-16 03:10:13,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:10:13,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:10:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:10:13,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 03:10:13,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:10:13,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339789335] [2021-12-16 03:10:13,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339789335] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:10:13,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:10:13,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 03:10:13,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433100723] [2021-12-16 03:10:13,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:10:13,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 03:10:13,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:10:13,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 03:10:13,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-16 03:10:13,930 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 213 [2021-12-16 03:10:13,930 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 227 transitions, 886 flow. Second operand has 4 states, 4 states have (on average 186.75) internal successors, (747), 4 states have internal predecessors, (747), 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) [2021-12-16 03:10:13,930 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:10:13,930 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 213 [2021-12-16 03:10:13,931 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:10:14,062 INFO L129 PetriNetUnfolder]: 110/1185 cut-off events. [2021-12-16 03:10:14,062 INFO L130 PetriNetUnfolder]: For 1259/1301 co-relation queries the response was YES. [2021-12-16 03:10:14,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2139 conditions, 1185 events. 110/1185 cut-off events. For 1259/1301 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 6307 event pairs, 13 based on Foata normal form. 23/1119 useless extension candidates. Maximal degree in co-relation 2115. Up to 135 conditions per place. [2021-12-16 03:10:14,069 INFO L132 encePairwiseOnDemand]: 208/213 looper letters, 37 selfloop transitions, 20 changer transitions 2/237 dead transitions. [2021-12-16 03:10:14,069 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 237 transitions, 1063 flow [2021-12-16 03:10:14,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 03:10:14,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-12-16 03:10:14,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 763 transitions. [2021-12-16 03:10:14,071 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8955399061032864 [2021-12-16 03:10:14,071 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 763 transitions. [2021-12-16 03:10:14,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 763 transitions. [2021-12-16 03:10:14,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:10:14,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 763 transitions. [2021-12-16 03:10:14,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 190.75) internal successors, (763), 4 states have internal predecessors, (763), 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) [2021-12-16 03:10:14,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 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) [2021-12-16 03:10:14,074 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 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) [2021-12-16 03:10:14,074 INFO L186 Difference]: Start difference. First operand has 228 places, 227 transitions, 886 flow. Second operand 4 states and 763 transitions. [2021-12-16 03:10:14,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 237 transitions, 1063 flow [2021-12-16 03:10:14,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 237 transitions, 1032 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-12-16 03:10:14,080 INFO L242 Difference]: Finished difference. Result has 228 places, 228 transitions, 917 flow [2021-12-16 03:10:14,080 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=857, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=917, PETRI_PLACES=228, PETRI_TRANSITIONS=228} [2021-12-16 03:10:14,080 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, 36 predicate places. [2021-12-16 03:10:14,081 INFO L470 AbstractCegarLoop]: Abstraction has has 228 places, 228 transitions, 917 flow [2021-12-16 03:10:14,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 186.75) internal successors, (747), 4 states have internal predecessors, (747), 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) [2021-12-16 03:10:14,081 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:10:14,081 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:10:14,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-16 03:10:14,081 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-12-16 03:10:14,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:10:14,082 INFO L85 PathProgramCache]: Analyzing trace with hash -741987059, now seen corresponding path program 1 times [2021-12-16 03:10:14,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:10:14,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916488234] [2021-12-16 03:10:14,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:10:14,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:10:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:10:14,542 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 03:10:14,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:10:14,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916488234] [2021-12-16 03:10:14,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916488234] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:10:14,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629197228] [2021-12-16 03:10:14,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:10:14,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:10:14,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:10:14,560 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:10:14,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-16 03:10:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:10:14,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 33 conjunts are in the unsatisfiable core [2021-12-16 03:10:14,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:10:15,425 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-12-16 03:10:15,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 10 [2021-12-16 03:10:15,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:10:15,545 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 03:10:16,256 INFO L354 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2021-12-16 03:10:16,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2021-12-16 03:10:17,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:10:17,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629197228] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 03:10:17,055 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 03:10:17,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 18, 18] total 40 [2021-12-16 03:10:17,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949177552] [2021-12-16 03:10:17,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 03:10:17,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-12-16 03:10:17,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:10:17,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-12-16 03:10:17,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1426, Unknown=0, NotChecked=0, Total=1560 [2021-12-16 03:10:17,060 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 213 [2021-12-16 03:10:17,063 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 228 transitions, 917 flow. Second operand has 40 states, 40 states have (on average 91.05) internal successors, (3642), 40 states have internal predecessors, (3642), 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) [2021-12-16 03:10:17,063 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:10:17,063 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 213 [2021-12-16 03:10:17,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:10:20,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-16 03:10:23,809 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:10:26,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:10:28,650 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:10:31,291 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:10:35,062 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:10:42,483 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:10:46,835 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:10:53,674 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-16 03:10:59,354 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:11:01,565 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:11:06,582 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:11:08,668 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:11:14,344 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:11:16,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []