./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix018_power.oepc_pso.oepc_rmo.oepc.i --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/pthread-wmm/mix018_power.oepc_pso.oepc_rmo.oepc.i -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 5a744aa24a15b244d86986861038a45981c329f5578e2da992d82373e2f73c5a --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 02:46:58,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 02:46:58,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 02:46:58,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 02:46:58,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 02:46:58,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 02:46:58,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 02:46:58,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 02:46:58,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 02:46:58,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 02:46:58,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 02:46:58,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 02:46:58,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 02:46:58,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 02:46:58,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 02:46:58,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 02:46:58,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 02:46:58,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 02:46:58,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 02:46:58,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 02:46:58,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 02:46:58,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 02:46:58,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 02:46:58,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 02:46:58,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 02:46:58,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 02:46:58,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 02:46:58,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 02:46:58,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 02:46:58,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 02:46:58,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 02:46:58,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 02:46:58,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 02:46:58,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 02:46:58,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 02:46:58,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 02:46:58,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 02:46:58,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 02:46:58,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 02:46:58,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 02:46:58,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 02:46:58,894 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 02:46:58,908 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 02:46:58,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 02:46:58,908 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 02:46:58,909 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 02:46:58,909 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 02:46:58,909 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 02:46:58,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 02:46:58,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 02:46:58,910 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 02:46:58,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 02:46:58,910 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 02:46:58,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 02:46:58,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 02:46:58,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 02:46:58,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 02:46:58,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 02:46:58,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 02:46:58,912 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 02:46:58,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 02:46:58,912 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 02:46:58,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 02:46:58,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 02:46:58,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 02:46:58,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 02:46:58,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 02:46:58,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 02:46:58,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 02:46:58,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 02:46:58,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 02:46:58,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 02:46:58,914 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 02:46:58,914 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 02:46:58,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 02:46:58,914 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 02:46:58,914 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a744aa24a15b244d86986861038a45981c329f5578e2da992d82373e2f73c5a [2021-12-16 02:46:59,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 02:46:59,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 02:46:59,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 02:46:59,056 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 02:46:59,056 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 02:46:59,057 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix018_power.oepc_pso.oepc_rmo.oepc.i [2021-12-16 02:46:59,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d052c47d8/59c89c2206eb4bd3909538897e929999/FLAG063a7c8ea [2021-12-16 02:46:59,698 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 02:46:59,698 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix018_power.oepc_pso.oepc_rmo.oepc.i [2021-12-16 02:46:59,712 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d052c47d8/59c89c2206eb4bd3909538897e929999/FLAG063a7c8ea [2021-12-16 02:47:00,094 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d052c47d8/59c89c2206eb4bd3909538897e929999 [2021-12-16 02:47:00,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 02:47:00,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 02:47:00,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 02:47:00,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 02:47:00,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 02:47:00,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:47:00" (1/1) ... [2021-12-16 02:47:00,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ff225f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:47:00, skipping insertion in model container [2021-12-16 02:47:00,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:47:00" (1/1) ... [2021-12-16 02:47:00,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 02:47:00,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 02:47:00,286 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/pthread-wmm/mix018_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2021-12-16 02:47:00,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 02:47:00,470 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 02:47:00,477 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/pthread-wmm/mix018_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2021-12-16 02:47:00,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 02:47:00,560 INFO L208 MainTranslator]: Completed translation [2021-12-16 02:47:00,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:47:00 WrapperNode [2021-12-16 02:47:00,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 02:47:00,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 02:47:00,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 02:47:00,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 02:47:00,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:47:00" (1/1) ... [2021-12-16 02:47:00,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:47:00" (1/1) ... [2021-12-16 02:47:00,610 INFO L137 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 193 [2021-12-16 02:47:00,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 02:47:00,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 02:47:00,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 02:47:00,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 02:47:00,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:47:00" (1/1) ... [2021-12-16 02:47:00,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:47:00" (1/1) ... [2021-12-16 02:47:00,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:47:00" (1/1) ... [2021-12-16 02:47:00,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:47:00" (1/1) ... [2021-12-16 02:47:00,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:47:00" (1/1) ... [2021-12-16 02:47:00,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:47:00" (1/1) ... [2021-12-16 02:47:00,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:47:00" (1/1) ... [2021-12-16 02:47:00,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 02:47:00,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 02:47:00,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 02:47:00,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 02:47:00,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:47:00" (1/1) ... [2021-12-16 02:47:00,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 02:47:00,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:47:00,682 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 02:47:00,689 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 02:47:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 02:47:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-16 02:47:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 02:47:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 02:47:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 02:47:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-16 02:47:00,715 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-16 02:47:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-16 02:47:00,715 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-16 02:47:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-16 02:47:00,715 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-16 02:47:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-12-16 02:47:00,716 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-12-16 02:47:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 02:47:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-16 02:47:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 02:47:00,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 02:47:00,718 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 02:47:00,806 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 02:47:00,807 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 02:47:01,298 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 02:47:01,489 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 02:47:01,489 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 02:47:01,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:47:01 BoogieIcfgContainer [2021-12-16 02:47:01,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 02:47:01,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 02:47:01,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 02:47:01,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 02:47:01,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 02:47:00" (1/3) ... [2021-12-16 02:47:01,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d99805f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:47:01, skipping insertion in model container [2021-12-16 02:47:01,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:47:00" (2/3) ... [2021-12-16 02:47:01,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d99805f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:47:01, skipping insertion in model container [2021-12-16 02:47:01,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:47:01" (3/3) ... [2021-12-16 02:47:01,496 INFO L111 eAbstractionObserver]: Analyzing ICFG mix018_power.oepc_pso.oepc_rmo.oepc.i [2021-12-16 02:47:01,499 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-16 02:47:01,499 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 02:47:01,499 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-16 02:47:01,499 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-16 02:47:01,529 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,529 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,529 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,529 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,530 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,530 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,530 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,530 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,530 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,530 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,530 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,531 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,531 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,531 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,531 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,531 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,531 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,532 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,532 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,532 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,532 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,532 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,532 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,533 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,533 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,533 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,533 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,533 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,533 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,533 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,534 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,534 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,534 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,534 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,534 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,535 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,535 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,535 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,535 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,535 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,535 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,535 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,536 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,536 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,536 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,536 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,536 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,536 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,536 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,537 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,537 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,537 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,537 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,537 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,537 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,537 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,538 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,538 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,538 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,538 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,538 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,538 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,539 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,539 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,539 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,539 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,539 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,539 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,539 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,541 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,541 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,541 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,541 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,541 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,541 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,541 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,542 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,542 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,542 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,542 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,542 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,543 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,543 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,543 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,543 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,543 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,543 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,543 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,544 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,544 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,544 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,544 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,544 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,544 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,544 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,544 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,545 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,545 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,545 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,545 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,545 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,545 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,545 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,545 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,546 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,546 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,546 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,546 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,546 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,546 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,546 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,546 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,547 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,547 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,547 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,547 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,547 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,547 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,547 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,547 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,548 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,548 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,548 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,548 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,548 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,548 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,549 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,550 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,550 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,550 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,550 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,550 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,550 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,550 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,550 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,551 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,551 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,551 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,551 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,551 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,551 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,551 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,551 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,552 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,552 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,552 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,552 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,552 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,552 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,552 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,552 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,553 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,553 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,553 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,553 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,553 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,553 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,553 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,553 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,554 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,554 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,554 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,554 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,554 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,555 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,555 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,556 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,556 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,556 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,556 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,556 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,556 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,556 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,557 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,557 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,557 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,557 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,557 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,557 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,557 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,558 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,558 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,560 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,560 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,560 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,561 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,561 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,561 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,561 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,561 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,561 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,561 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,562 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,562 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,562 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,562 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,562 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,563 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,563 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,563 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,563 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,563 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,563 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,564 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,564 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,564 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,564 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,564 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,564 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,564 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,565 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,565 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,565 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,565 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,565 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,566 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,566 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,566 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,566 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,566 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,566 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,566 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,566 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,567 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,567 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,567 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,567 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,567 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,567 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,567 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,567 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,568 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,568 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,568 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,568 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,568 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,568 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,568 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,569 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,569 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,569 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,569 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,569 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,569 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,569 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,570 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,570 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 02:47:01,570 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-16 02:47:01,600 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 02:47:01,605 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 02:47:01,606 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-12-16 02:47:01,614 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 149 places, 138 transitions, 296 flow [2021-12-16 02:47:01,656 INFO L129 PetriNetUnfolder]: 2/134 cut-off events. [2021-12-16 02:47:01,657 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-16 02:47:01,662 INFO L84 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 134 events. 2/134 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 69 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 92. Up to 2 conditions per place. [2021-12-16 02:47:01,662 INFO L82 GeneralOperation]: Start removeDead. Operand has 149 places, 138 transitions, 296 flow [2021-12-16 02:47:01,666 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 145 places, 134 transitions, 280 flow [2021-12-16 02:47:01,674 INFO L129 PetriNetUnfolder]: 0/52 cut-off events. [2021-12-16 02:47:01,674 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-16 02:47:01,674 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:47:01,675 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] [2021-12-16 02:47:01,675 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-16 02:47:01,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:47:01,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1436643446, now seen corresponding path program 1 times [2021-12-16 02:47:01,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:47:01,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71159718] [2021-12-16 02:47:01,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:47:01,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:47:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:47:01,909 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 02:47:01,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:47:01,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71159718] [2021-12-16 02:47:01,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71159718] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:47:01,910 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:47:01,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 02:47:01,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238836763] [2021-12-16 02:47:01,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:47:01,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 02:47:01,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:47:01,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 02:47:01,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 02:47:01,956 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 138 [2021-12-16 02:47:01,960 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 134 transitions, 280 flow. Second operand has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 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 02:47:01,960 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:47:01,960 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 138 [2021-12-16 02:47:01,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:47:02,190 INFO L129 PetriNetUnfolder]: 162/548 cut-off events. [2021-12-16 02:47:02,190 INFO L130 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2021-12-16 02:47:02,196 INFO L84 FinitePrefix]: Finished finitePrefix Result has 854 conditions, 548 events. 162/548 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2845 event pairs, 34 based on Foata normal form. 49/568 useless extension candidates. Maximal degree in co-relation 796. Up to 191 conditions per place. [2021-12-16 02:47:02,200 INFO L132 encePairwiseOnDemand]: 133/138 looper letters, 18 selfloop transitions, 2 changer transitions 0/138 dead transitions. [2021-12-16 02:47:02,201 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 138 transitions, 337 flow [2021-12-16 02:47:02,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 02:47:02,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 02:47:02,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 391 transitions. [2021-12-16 02:47:02,215 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9444444444444444 [2021-12-16 02:47:02,215 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 391 transitions. [2021-12-16 02:47:02,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 391 transitions. [2021-12-16 02:47:02,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:47:02,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 391 transitions. [2021-12-16 02:47:02,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 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 02:47:02,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 138.0) internal successors, (552), 4 states have internal predecessors, (552), 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 02:47:02,237 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 138.0) internal successors, (552), 4 states have internal predecessors, (552), 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 02:47:02,238 INFO L186 Difference]: Start difference. First operand has 145 places, 134 transitions, 280 flow. Second operand 3 states and 391 transitions. [2021-12-16 02:47:02,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 138 transitions, 337 flow [2021-12-16 02:47:02,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 138 transitions, 330 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-16 02:47:02,246 INFO L242 Difference]: Finished difference. Result has 141 places, 130 transitions, 272 flow [2021-12-16 02:47:02,247 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=272, PETRI_PLACES=141, PETRI_TRANSITIONS=130} [2021-12-16 02:47:02,251 INFO L334 CegarLoopForPetriNet]: 145 programPoint places, -4 predicate places. [2021-12-16 02:47:02,251 INFO L470 AbstractCegarLoop]: Abstraction has has 141 places, 130 transitions, 272 flow [2021-12-16 02:47:02,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 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 02:47:02,252 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:47:02,252 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] [2021-12-16 02:47:02,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 02:47:02,252 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-16 02:47:02,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:47:02,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1501495155, now seen corresponding path program 1 times [2021-12-16 02:47:02,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:47:02,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110024533] [2021-12-16 02:47:02,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:47:02,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:47:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:47:02,527 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 02:47:02,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:47:02,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110024533] [2021-12-16 02:47:02,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110024533] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:47:02,527 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:47:02,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 02:47:02,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487095910] [2021-12-16 02:47:02,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:47:02,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 02:47:02,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:47:02,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 02:47:02,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 02:47:02,532 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 138 [2021-12-16 02:47:02,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 130 transitions, 272 flow. Second operand has 6 states, 6 states have (on average 108.66666666666667) internal successors, (652), 6 states have internal predecessors, (652), 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 02:47:02,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:47:02,534 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 138 [2021-12-16 02:47:02,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:47:05,423 INFO L129 PetriNetUnfolder]: 10039/22699 cut-off events. [2021-12-16 02:47:05,423 INFO L130 PetriNetUnfolder]: For 635/635 co-relation queries the response was YES. [2021-12-16 02:47:05,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37367 conditions, 22699 events. 10039/22699 cut-off events. For 635/635 co-relation queries the response was YES. Maximal size of possible extension queue 961. Compared 231952 event pairs, 2856 based on Foata normal form. 0/22075 useless extension candidates. Maximal degree in co-relation 37306. Up to 6487 conditions per place. [2021-12-16 02:47:05,553 INFO L132 encePairwiseOnDemand]: 125/138 looper letters, 36 selfloop transitions, 9 changer transitions 90/224 dead transitions. [2021-12-16 02:47:05,553 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 224 transitions, 722 flow [2021-12-16 02:47:05,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 02:47:05,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-16 02:47:05,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1078 transitions. [2021-12-16 02:47:05,556 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8679549114331723 [2021-12-16 02:47:05,556 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1078 transitions. [2021-12-16 02:47:05,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1078 transitions. [2021-12-16 02:47:05,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:47:05,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1078 transitions. [2021-12-16 02:47:05,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 119.77777777777777) internal successors, (1078), 9 states have internal predecessors, (1078), 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 02:47:05,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 138.0) internal successors, (1380), 10 states have internal predecessors, (1380), 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 02:47:05,562 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 138.0) internal successors, (1380), 10 states have internal predecessors, (1380), 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 02:47:05,562 INFO L186 Difference]: Start difference. First operand has 141 places, 130 transitions, 272 flow. Second operand 9 states and 1078 transitions. [2021-12-16 02:47:05,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 224 transitions, 722 flow [2021-12-16 02:47:05,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 224 transitions, 704 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-16 02:47:05,568 INFO L242 Difference]: Finished difference. Result has 155 places, 122 transitions, 350 flow [2021-12-16 02:47:05,568 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=350, PETRI_PLACES=155, PETRI_TRANSITIONS=122} [2021-12-16 02:47:05,569 INFO L334 CegarLoopForPetriNet]: 145 programPoint places, 10 predicate places. [2021-12-16 02:47:05,569 INFO L470 AbstractCegarLoop]: Abstraction has has 155 places, 122 transitions, 350 flow [2021-12-16 02:47:05,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 108.66666666666667) internal successors, (652), 6 states have internal predecessors, (652), 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 02:47:05,570 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:47:05,570 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] [2021-12-16 02:47:05,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 02:47:05,570 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-16 02:47:05,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:47:05,571 INFO L85 PathProgramCache]: Analyzing trace with hash -333826356, now seen corresponding path program 1 times [2021-12-16 02:47:05,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:47:05,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992619459] [2021-12-16 02:47:05,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:47:05,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:47:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:47:05,715 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 02:47:05,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:47:05,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992619459] [2021-12-16 02:47:05,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992619459] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:47:05,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:47:05,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 02:47:05,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901424393] [2021-12-16 02:47:05,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:47:05,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 02:47:05,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:47:05,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 02:47:05,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-16 02:47:05,719 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 138 [2021-12-16 02:47:05,720 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 122 transitions, 350 flow. Second operand has 7 states, 7 states have (on average 108.42857142857143) internal successors, (759), 7 states have internal predecessors, (759), 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 02:47:05,720 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:47:05,720 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 138 [2021-12-16 02:47:05,721 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:47:07,607 INFO L129 PetriNetUnfolder]: 7126/12302 cut-off events. [2021-12-16 02:47:07,608 INFO L130 PetriNetUnfolder]: For 19192/19198 co-relation queries the response was YES. [2021-12-16 02:47:07,662 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37148 conditions, 12302 events. 7126/12302 cut-off events. For 19192/19198 co-relation queries the response was YES. Maximal size of possible extension queue 637. Compared 92639 event pairs, 806 based on Foata normal form. 264/12415 useless extension candidates. Maximal degree in co-relation 37075. Up to 4199 conditions per place. [2021-12-16 02:47:07,717 INFO L132 encePairwiseOnDemand]: 127/138 looper letters, 46 selfloop transitions, 8 changer transitions 103/246 dead transitions. [2021-12-16 02:47:07,717 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 246 transitions, 1302 flow [2021-12-16 02:47:07,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-16 02:47:07,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-16 02:47:07,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1521 transitions. [2021-12-16 02:47:07,720 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8478260869565217 [2021-12-16 02:47:07,721 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1521 transitions. [2021-12-16 02:47:07,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1521 transitions. [2021-12-16 02:47:07,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:47:07,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1521 transitions. [2021-12-16 02:47:07,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 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 02:47:07,727 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 138.0) internal successors, (1932), 14 states have internal predecessors, (1932), 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 02:47:07,728 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 138.0) internal successors, (1932), 14 states have internal predecessors, (1932), 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 02:47:07,728 INFO L186 Difference]: Start difference. First operand has 155 places, 122 transitions, 350 flow. Second operand 13 states and 1521 transitions. [2021-12-16 02:47:07,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 246 transitions, 1302 flow [2021-12-16 02:47:07,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 246 transitions, 1192 flow, removed 12 selfloop flow, removed 2 redundant places. [2021-12-16 02:47:07,795 INFO L242 Difference]: Finished difference. Result has 157 places, 126 transitions, 426 flow [2021-12-16 02:47:07,796 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=426, PETRI_PLACES=157, PETRI_TRANSITIONS=126} [2021-12-16 02:47:07,797 INFO L334 CegarLoopForPetriNet]: 145 programPoint places, 12 predicate places. [2021-12-16 02:47:07,798 INFO L470 AbstractCegarLoop]: Abstraction has has 157 places, 126 transitions, 426 flow [2021-12-16 02:47:07,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 108.42857142857143) internal successors, (759), 7 states have internal predecessors, (759), 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 02:47:07,798 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:47:07,799 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] [2021-12-16 02:47:07,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 02:47:07,799 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-16 02:47:07,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:47:07,800 INFO L85 PathProgramCache]: Analyzing trace with hash -828398435, now seen corresponding path program 1 times [2021-12-16 02:47:07,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:47:07,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170307092] [2021-12-16 02:47:07,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:47:07,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:47:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:47:07,904 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 02:47:07,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:47:07,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170307092] [2021-12-16 02:47:07,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170307092] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:47:07,905 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:47:07,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 02:47:07,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150678652] [2021-12-16 02:47:07,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:47:07,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 02:47:07,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:47:07,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 02:47:07,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-16 02:47:07,907 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 138 [2021-12-16 02:47:07,908 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 126 transitions, 426 flow. Second operand has 7 states, 7 states have (on average 108.42857142857143) internal successors, (759), 7 states have internal predecessors, (759), 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 02:47:07,908 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:47:07,909 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 138 [2021-12-16 02:47:07,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:47:09,605 INFO L129 PetriNetUnfolder]: 6025/10819 cut-off events. [2021-12-16 02:47:09,605 INFO L130 PetriNetUnfolder]: For 27901/27929 co-relation queries the response was YES. [2021-12-16 02:47:09,651 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35399 conditions, 10819 events. 6025/10819 cut-off events. For 27901/27929 co-relation queries the response was YES. Maximal size of possible extension queue 556. Compared 82811 event pairs, 1683 based on Foata normal form. 222/10830 useless extension candidates. Maximal degree in co-relation 35316. Up to 4022 conditions per place. [2021-12-16 02:47:09,689 INFO L132 encePairwiseOnDemand]: 125/138 looper letters, 46 selfloop transitions, 18 changer transitions 85/238 dead transitions. [2021-12-16 02:47:09,690 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 238 transitions, 1388 flow [2021-12-16 02:47:09,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-16 02:47:09,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-16 02:47:09,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1521 transitions. [2021-12-16 02:47:09,693 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8478260869565217 [2021-12-16 02:47:09,693 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1521 transitions. [2021-12-16 02:47:09,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1521 transitions. [2021-12-16 02:47:09,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:47:09,694 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1521 transitions. [2021-12-16 02:47:09,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 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 02:47:09,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 138.0) internal successors, (1932), 14 states have internal predecessors, (1932), 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 02:47:09,698 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 138.0) internal successors, (1932), 14 states have internal predecessors, (1932), 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 02:47:09,699 INFO L186 Difference]: Start difference. First operand has 157 places, 126 transitions, 426 flow. Second operand 13 states and 1521 transitions. [2021-12-16 02:47:09,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 238 transitions, 1388 flow [2021-12-16 02:47:09,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 238 transitions, 1305 flow, removed 39 selfloop flow, removed 7 redundant places. [2021-12-16 02:47:09,790 INFO L242 Difference]: Finished difference. Result has 164 places, 132 transitions, 549 flow [2021-12-16 02:47:09,791 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=549, PETRI_PLACES=164, PETRI_TRANSITIONS=132} [2021-12-16 02:47:09,791 INFO L334 CegarLoopForPetriNet]: 145 programPoint places, 19 predicate places. [2021-12-16 02:47:09,792 INFO L470 AbstractCegarLoop]: Abstraction has has 164 places, 132 transitions, 549 flow [2021-12-16 02:47:09,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 108.42857142857143) internal successors, (759), 7 states have internal predecessors, (759), 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 02:47:09,792 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:47:09,792 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] [2021-12-16 02:47:09,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 02:47:09,793 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-16 02:47:09,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:47:09,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1206213762, now seen corresponding path program 1 times [2021-12-16 02:47:09,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:47:09,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748963391] [2021-12-16 02:47:09,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:47:09,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:47:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:47:09,905 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 02:47:09,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:47:09,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748963391] [2021-12-16 02:47:09,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748963391] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:47:09,906 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:47:09,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 02:47:09,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46495988] [2021-12-16 02:47:09,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:47:09,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 02:47:09,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:47:09,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 02:47:09,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 02:47:09,907 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 138 [2021-12-16 02:47:09,908 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 132 transitions, 549 flow. Second operand has 6 states, 6 states have (on average 113.0) internal successors, (678), 6 states have internal predecessors, (678), 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 02:47:09,908 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:47:09,908 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 138 [2021-12-16 02:47:09,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:47:13,443 INFO L129 PetriNetUnfolder]: 15552/27564 cut-off events. [2021-12-16 02:47:13,443 INFO L130 PetriNetUnfolder]: For 31610/37899 co-relation queries the response was YES. [2021-12-16 02:47:13,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66844 conditions, 27564 events. 15552/27564 cut-off events. For 31610/37899 co-relation queries the response was YES. Maximal size of possible extension queue 1502. Compared 243354 event pairs, 1273 based on Foata normal form. 15/26321 useless extension candidates. Maximal degree in co-relation 66756. Up to 8319 conditions per place. [2021-12-16 02:47:13,852 INFO L132 encePairwiseOnDemand]: 127/138 looper letters, 93 selfloop transitions, 20 changer transitions 0/221 dead transitions. [2021-12-16 02:47:13,852 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 221 transitions, 1078 flow [2021-12-16 02:47:13,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-16 02:47:13,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-16 02:47:13,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1217 transitions. [2021-12-16 02:47:13,855 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8818840579710145 [2021-12-16 02:47:13,856 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1217 transitions. [2021-12-16 02:47:13,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1217 transitions. [2021-12-16 02:47:13,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:47:13,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1217 transitions. [2021-12-16 02:47:13,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 121.7) internal successors, (1217), 10 states have internal predecessors, (1217), 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 02:47:13,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 138.0) internal successors, (1518), 11 states have internal predecessors, (1518), 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 02:47:13,860 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 138.0) internal successors, (1518), 11 states have internal predecessors, (1518), 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 02:47:13,860 INFO L186 Difference]: Start difference. First operand has 164 places, 132 transitions, 549 flow. Second operand 10 states and 1217 transitions. [2021-12-16 02:47:13,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 221 transitions, 1078 flow [2021-12-16 02:47:13,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 221 transitions, 1012 flow, removed 33 selfloop flow, removed 15 redundant places. [2021-12-16 02:47:14,000 INFO L242 Difference]: Finished difference. Result has 155 places, 150 transitions, 626 flow [2021-12-16 02:47:14,000 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=483, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=626, PETRI_PLACES=155, PETRI_TRANSITIONS=150} [2021-12-16 02:47:14,000 INFO L334 CegarLoopForPetriNet]: 145 programPoint places, 10 predicate places. [2021-12-16 02:47:14,001 INFO L470 AbstractCegarLoop]: Abstraction has has 155 places, 150 transitions, 626 flow [2021-12-16 02:47:14,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 113.0) internal successors, (678), 6 states have internal predecessors, (678), 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 02:47:14,001 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:47:14,001 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] [2021-12-16 02:47:14,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 02:47:14,002 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-16 02:47:14,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:47:14,002 INFO L85 PathProgramCache]: Analyzing trace with hash -153814184, now seen corresponding path program 1 times [2021-12-16 02:47:14,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:47:14,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453360743] [2021-12-16 02:47:14,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:47:14,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:47:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:47:14,110 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 02:47:14,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:47:14,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453360743] [2021-12-16 02:47:14,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453360743] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:47:14,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:47:14,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 02:47:14,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867836418] [2021-12-16 02:47:14,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:47:14,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 02:47:14,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:47:14,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 02:47:14,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 02:47:14,114 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 138 [2021-12-16 02:47:14,114 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 150 transitions, 626 flow. Second operand has 6 states, 6 states have (on average 115.5) internal successors, (693), 6 states have internal predecessors, (693), 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 02:47:14,114 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:47:14,114 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 138 [2021-12-16 02:47:14,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:47:16,565 INFO L129 PetriNetUnfolder]: 6061/16694 cut-off events. [2021-12-16 02:47:16,565 INFO L130 PetriNetUnfolder]: For 21506/23660 co-relation queries the response was YES. [2021-12-16 02:47:16,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44536 conditions, 16694 events. 6061/16694 cut-off events. For 21506/23660 co-relation queries the response was YES. Maximal size of possible extension queue 994. Compared 194269 event pairs, 2554 based on Foata normal form. 327/15918 useless extension candidates. Maximal degree in co-relation 44454. Up to 2844 conditions per place. [2021-12-16 02:47:16,700 INFO L132 encePairwiseOnDemand]: 132/138 looper letters, 63 selfloop transitions, 16 changer transitions 4/203 dead transitions. [2021-12-16 02:47:16,701 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 203 transitions, 1008 flow [2021-12-16 02:47:16,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 02:47:16,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-16 02:47:16,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1093 transitions. [2021-12-16 02:47:16,703 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8800322061191627 [2021-12-16 02:47:16,703 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1093 transitions. [2021-12-16 02:47:16,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1093 transitions. [2021-12-16 02:47:16,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:47:16,704 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1093 transitions. [2021-12-16 02:47:16,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 121.44444444444444) internal successors, (1093), 9 states have internal predecessors, (1093), 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 02:47:16,707 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 138.0) internal successors, (1380), 10 states have internal predecessors, (1380), 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 02:47:16,708 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 138.0) internal successors, (1380), 10 states have internal predecessors, (1380), 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 02:47:16,708 INFO L186 Difference]: Start difference. First operand has 155 places, 150 transitions, 626 flow. Second operand 9 states and 1093 transitions. [2021-12-16 02:47:16,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 203 transitions, 1008 flow [2021-12-16 02:47:16,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 203 transitions, 1006 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-16 02:47:16,775 INFO L242 Difference]: Finished difference. Result has 169 places, 157 transitions, 745 flow [2021-12-16 02:47:16,776 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=745, PETRI_PLACES=169, PETRI_TRANSITIONS=157} [2021-12-16 02:47:16,776 INFO L334 CegarLoopForPetriNet]: 145 programPoint places, 24 predicate places. [2021-12-16 02:47:16,776 INFO L470 AbstractCegarLoop]: Abstraction has has 169 places, 157 transitions, 745 flow [2021-12-16 02:47:16,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 115.5) internal successors, (693), 6 states have internal predecessors, (693), 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 02:47:16,777 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:47:16,777 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] [2021-12-16 02:47:16,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 02:47:16,777 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-16 02:47:16,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:47:16,778 INFO L85 PathProgramCache]: Analyzing trace with hash 562638680, now seen corresponding path program 1 times [2021-12-16 02:47:16,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:47:16,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693082719] [2021-12-16 02:47:16,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:47:16,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:47:16,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:47:16,866 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 02:47:16,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:47:16,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693082719] [2021-12-16 02:47:16,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693082719] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:47:16,867 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:47:16,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 02:47:16,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441974218] [2021-12-16 02:47:16,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:47:16,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 02:47:16,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:47:16,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 02:47:16,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-16 02:47:16,869 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 138 [2021-12-16 02:47:16,870 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 157 transitions, 745 flow. Second operand has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 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 02:47:16,870 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:47:16,870 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 138 [2021-12-16 02:47:16,870 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:47:21,687 INFO L129 PetriNetUnfolder]: 19559/35623 cut-off events. [2021-12-16 02:47:21,687 INFO L130 PetriNetUnfolder]: For 66931/73795 co-relation queries the response was YES. [2021-12-16 02:47:21,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111725 conditions, 35623 events. 19559/35623 cut-off events. For 66931/73795 co-relation queries the response was YES. Maximal size of possible extension queue 2123. Compared 339758 event pairs, 1300 based on Foata normal form. 642/35181 useless extension candidates. Maximal degree in co-relation 111636. Up to 7379 conditions per place. [2021-12-16 02:47:22,045 INFO L132 encePairwiseOnDemand]: 127/138 looper letters, 121 selfloop transitions, 38 changer transitions 0/274 dead transitions. [2021-12-16 02:47:22,046 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 274 transitions, 1673 flow [2021-12-16 02:47:22,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-16 02:47:22,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-16 02:47:22,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1587 transitions. [2021-12-16 02:47:22,049 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8846153846153846 [2021-12-16 02:47:22,049 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1587 transitions. [2021-12-16 02:47:22,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1587 transitions. [2021-12-16 02:47:22,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:47:22,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1587 transitions. [2021-12-16 02:47:22,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 122.07692307692308) internal successors, (1587), 13 states have internal predecessors, (1587), 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 02:47:22,055 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 138.0) internal successors, (1932), 14 states have internal predecessors, (1932), 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 02:47:22,056 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 138.0) internal successors, (1932), 14 states have internal predecessors, (1932), 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 02:47:22,056 INFO L186 Difference]: Start difference. First operand has 169 places, 157 transitions, 745 flow. Second operand 13 states and 1587 transitions. [2021-12-16 02:47:22,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 274 transitions, 1673 flow [2021-12-16 02:47:22,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 274 transitions, 1655 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-12-16 02:47:22,511 INFO L242 Difference]: Finished difference. Result has 186 places, 177 transitions, 1020 flow [2021-12-16 02:47:22,512 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=727, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1020, PETRI_PLACES=186, PETRI_TRANSITIONS=177} [2021-12-16 02:47:22,512 INFO L334 CegarLoopForPetriNet]: 145 programPoint places, 41 predicate places. [2021-12-16 02:47:22,512 INFO L470 AbstractCegarLoop]: Abstraction has has 186 places, 177 transitions, 1020 flow [2021-12-16 02:47:22,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 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 02:47:22,513 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:47:22,513 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] [2021-12-16 02:47:22,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 02:47:22,513 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-16 02:47:22,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:47:22,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1177748317, now seen corresponding path program 1 times [2021-12-16 02:47:22,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:47:22,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027872831] [2021-12-16 02:47:22,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:47:22,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:47:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:47:22,789 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 02:47:22,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:47:22,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027872831] [2021-12-16 02:47:22,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027872831] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:47:22,789 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:47:22,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-16 02:47:22,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998244436] [2021-12-16 02:47:22,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:47:22,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 02:47:22,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:47:22,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 02:47:22,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-16 02:47:22,791 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 138 [2021-12-16 02:47:22,792 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 177 transitions, 1020 flow. Second operand has 8 states, 8 states have (on average 113.125) internal successors, (905), 8 states have internal predecessors, (905), 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 02:47:22,792 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:47:22,792 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 138 [2021-12-16 02:47:22,792 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:47:27,806 INFO L129 PetriNetUnfolder]: 18755/34548 cut-off events. [2021-12-16 02:47:27,806 INFO L130 PetriNetUnfolder]: For 116986/124414 co-relation queries the response was YES. [2021-12-16 02:47:28,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129196 conditions, 34548 events. 18755/34548 cut-off events. For 116986/124414 co-relation queries the response was YES. Maximal size of possible extension queue 2117. Compared 337000 event pairs, 868 based on Foata normal form. 447/34041 useless extension candidates. Maximal degree in co-relation 129099. Up to 7158 conditions per place. [2021-12-16 02:47:28,226 INFO L132 encePairwiseOnDemand]: 127/138 looper letters, 114 selfloop transitions, 58 changer transitions 43/322 dead transitions. [2021-12-16 02:47:28,226 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 322 transitions, 2367 flow [2021-12-16 02:47:28,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-16 02:47:28,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-12-16 02:47:28,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1956 transitions. [2021-12-16 02:47:28,230 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8858695652173914 [2021-12-16 02:47:28,231 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1956 transitions. [2021-12-16 02:47:28,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1956 transitions. [2021-12-16 02:47:28,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:47:28,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1956 transitions. [2021-12-16 02:47:28,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 122.25) internal successors, (1956), 16 states have internal predecessors, (1956), 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 02:47:28,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 138.0) internal successors, (2346), 17 states have internal predecessors, (2346), 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 02:47:28,238 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 138.0) internal successors, (2346), 17 states have internal predecessors, (2346), 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 02:47:28,238 INFO L186 Difference]: Start difference. First operand has 186 places, 177 transitions, 1020 flow. Second operand 16 states and 1956 transitions. [2021-12-16 02:47:28,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 322 transitions, 2367 flow [2021-12-16 02:47:33,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 322 transitions, 2256 flow, removed 43 selfloop flow, removed 5 redundant places. [2021-12-16 02:47:33,209 INFO L242 Difference]: Finished difference. Result has 200 places, 195 transitions, 1294 flow [2021-12-16 02:47:33,209 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=917, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1294, PETRI_PLACES=200, PETRI_TRANSITIONS=195} [2021-12-16 02:47:33,210 INFO L334 CegarLoopForPetriNet]: 145 programPoint places, 55 predicate places. [2021-12-16 02:47:33,210 INFO L470 AbstractCegarLoop]: Abstraction has has 200 places, 195 transitions, 1294 flow [2021-12-16 02:47:33,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 113.125) internal successors, (905), 8 states have internal predecessors, (905), 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 02:47:33,210 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:47:33,211 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] [2021-12-16 02:47:33,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 02:47:33,211 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-16 02:47:33,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:47:33,211 INFO L85 PathProgramCache]: Analyzing trace with hash 337829730, now seen corresponding path program 1 times [2021-12-16 02:47:33,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:47:33,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118234280] [2021-12-16 02:47:33,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:47:33,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:47:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:47:33,310 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 02:47:33,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:47:33,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118234280] [2021-12-16 02:47:33,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118234280] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:47:33,311 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:47:33,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-16 02:47:33,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450661241] [2021-12-16 02:47:33,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:47:33,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-16 02:47:33,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:47:33,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-16 02:47:33,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-16 02:47:33,313 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 138 [2021-12-16 02:47:33,314 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 195 transitions, 1294 flow. Second operand has 9 states, 9 states have (on average 113.22222222222223) internal successors, (1019), 9 states have internal predecessors, (1019), 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 02:47:33,314 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:47:33,314 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 138 [2021-12-16 02:47:33,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 02:47:38,225 INFO L129 PetriNetUnfolder]: 18535/33850 cut-off events. [2021-12-16 02:47:38,225 INFO L130 PetriNetUnfolder]: For 120773/127723 co-relation queries the response was YES. [2021-12-16 02:47:38,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126783 conditions, 33850 events. 18535/33850 cut-off events. For 120773/127723 co-relation queries the response was YES. Maximal size of possible extension queue 2124. Compared 327617 event pairs, 1103 based on Foata normal form. 216/33002 useless extension candidates. Maximal degree in co-relation 126744. Up to 4152 conditions per place. [2021-12-16 02:47:38,627 INFO L132 encePairwiseOnDemand]: 127/138 looper letters, 101 selfloop transitions, 63 changer transitions 42/313 dead transitions. [2021-12-16 02:47:38,628 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 313 transitions, 2382 flow [2021-12-16 02:47:38,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-16 02:47:38,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-16 02:47:38,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2274 transitions. [2021-12-16 02:47:38,632 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8672768878718535 [2021-12-16 02:47:38,633 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2274 transitions. [2021-12-16 02:47:38,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2274 transitions. [2021-12-16 02:47:38,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 02:47:38,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2274 transitions. [2021-12-16 02:47:38,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 119.6842105263158) internal successors, (2274), 19 states have internal predecessors, (2274), 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 02:47:38,641 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 138.0) internal successors, (2760), 20 states have internal predecessors, (2760), 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 02:47:38,642 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 138.0) internal successors, (2760), 20 states have internal predecessors, (2760), 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 02:47:38,642 INFO L186 Difference]: Start difference. First operand has 200 places, 195 transitions, 1294 flow. Second operand 19 states and 2274 transitions. [2021-12-16 02:47:38,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 313 transitions, 2382 flow [2021-12-16 02:47:44,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 313 transitions, 1973 flow, removed 160 selfloop flow, removed 18 redundant places. [2021-12-16 02:47:44,478 INFO L242 Difference]: Finished difference. Result has 201 places, 194 transitions, 1128 flow [2021-12-16 02:47:44,478 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=957, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1128, PETRI_PLACES=201, PETRI_TRANSITIONS=194} [2021-12-16 02:47:44,479 INFO L334 CegarLoopForPetriNet]: 145 programPoint places, 56 predicate places. [2021-12-16 02:47:44,479 INFO L470 AbstractCegarLoop]: Abstraction has has 201 places, 194 transitions, 1128 flow [2021-12-16 02:47:44,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 113.22222222222223) internal successors, (1019), 9 states have internal predecessors, (1019), 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 02:47:44,479 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 02:47:44,479 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] [2021-12-16 02:47:44,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-16 02:47:44,480 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-16 02:47:44,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 02:47:44,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1256325944, now seen corresponding path program 1 times [2021-12-16 02:47:44,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 02:47:44,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652959255] [2021-12-16 02:47:44,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 02:47:44,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 02:47:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 02:47:44,625 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 02:47:44,626 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 02:47:44,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652959255] [2021-12-16 02:47:44,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652959255] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 02:47:44,626 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 02:47:44,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-16 02:47:44,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494401645] [2021-12-16 02:47:44,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 02:47:44,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-16 02:47:44,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 02:47:44,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-16 02:47:44,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-12-16 02:47:44,631 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 138 [2021-12-16 02:47:44,632 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 194 transitions, 1128 flow. Second operand has 11 states, 11 states have (on average 104.81818181818181) internal successors, (1153), 11 states have internal predecessors, (1153), 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 02:47:44,632 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 02:47:44,632 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 138 [2021-12-16 02:47:44,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand