/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix004_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 16:39:49,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 16:39:49,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 16:39:49,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 16:39:49,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 16:39:49,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 16:39:49,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 16:39:49,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 16:39:49,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 16:39:49,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 16:39:49,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 16:39:49,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 16:39:49,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 16:39:49,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 16:39:49,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 16:39:49,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 16:39:49,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 16:39:49,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 16:39:49,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 16:39:49,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 16:39:49,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 16:39:49,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 16:39:49,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 16:39:49,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 16:39:49,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 16:39:49,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 16:39:49,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 16:39:49,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 16:39:49,520 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 16:39:49,567 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 16:39:49,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 16:39:49,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 16:39:49,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 16:39:49,573 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 16:39:49,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 16:39:49,574 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 16:39:49,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 16:39:49,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 16:39:49,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 16:39:49,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 16:39:49,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 16:39:49,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 16:39:49,577 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 16:39:49,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 16:39:49,577 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 16:39:49,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 16:39:49,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 16:39:49,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 16:39:49,578 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 16:39:49,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 16:39:49,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 16:39:49,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 16:39:49,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 16:39:49,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 16:39:49,579 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 16:39:49,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 16:39:49,580 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 16:39:49,580 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 16:39:49,580 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 16:39:49,580 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 16:39:49,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 16:39:49,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 16:39:49,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 16:39:50,000 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 16:39:50,001 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 16:39:50,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix004_rmo.oepc.i [2021-04-28 16:39:50,080 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d39a3b73e/04fcb786ae6742f9b5be15a294d8d2b3/FLAGc74adfc68 [2021-04-28 16:39:50,787 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 16:39:50,789 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix004_rmo.oepc.i [2021-04-28 16:39:50,820 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d39a3b73e/04fcb786ae6742f9b5be15a294d8d2b3/FLAGc74adfc68 [2021-04-28 16:39:50,968 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d39a3b73e/04fcb786ae6742f9b5be15a294d8d2b3 [2021-04-28 16:39:50,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 16:39:51,022 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 16:39:51,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 16:39:51,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 16:39:51,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 16:39:51,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 04:39:50" (1/1) ... [2021-04-28 16:39:51,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@280e3fdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:51, skipping insertion in model container [2021-04-28 16:39:51,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 04:39:50" (1/1) ... [2021-04-28 16:39:51,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 16:39:51,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 16:39:51,383 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix004_rmo.oepc.i[949,962] [2021-04-28 16:39:51,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 16:39:51,807 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 16:39:51,821 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix004_rmo.oepc.i[949,962] [2021-04-28 16:39:51,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 16:39:51,961 INFO L208 MainTranslator]: Completed translation [2021-04-28 16:39:51,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:51 WrapperNode [2021-04-28 16:39:51,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 16:39:51,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 16:39:51,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 16:39:51,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 16:39:51,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:51" (1/1) ... [2021-04-28 16:39:51,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:51" (1/1) ... [2021-04-28 16:39:52,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 16:39:52,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 16:39:52,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 16:39:52,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 16:39:52,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:51" (1/1) ... [2021-04-28 16:39:52,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:51" (1/1) ... [2021-04-28 16:39:52,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:51" (1/1) ... [2021-04-28 16:39:52,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:51" (1/1) ... [2021-04-28 16:39:52,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:51" (1/1) ... [2021-04-28 16:39:52,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:51" (1/1) ... [2021-04-28 16:39:52,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:51" (1/1) ... [2021-04-28 16:39:52,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 16:39:52,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 16:39:52,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 16:39:52,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 16:39:52,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 16:39:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 16:39:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 16:39:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 16:39:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 16:39:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 16:39:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 16:39:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 16:39:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 16:39:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 16:39:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 16:39:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 16:39:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 16:39:52,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 16:39:52,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 16:39:52,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 16:39:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 16:39:52,255 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 16:39:54,859 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 16:39:54,860 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 16:39:54,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 04:39:54 BoogieIcfgContainer [2021-04-28 16:39:54,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 16:39:54,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 16:39:54,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 16:39:54,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 16:39:54,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 04:39:50" (1/3) ... [2021-04-28 16:39:54,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d6027a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 04:39:54, skipping insertion in model container [2021-04-28 16:39:54,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:39:51" (2/3) ... [2021-04-28 16:39:54,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d6027a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 04:39:54, skipping insertion in model container [2021-04-28 16:39:54,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 04:39:54" (3/3) ... [2021-04-28 16:39:54,871 INFO L111 eAbstractionObserver]: Analyzing ICFG mix004_rmo.oepc.i [2021-04-28 16:39:54,879 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 16:39:54,885 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 16:39:54,886 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 16:39:54,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,932 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,932 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,933 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,933 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,933 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,933 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,933 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,934 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,934 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,935 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,935 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,935 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,936 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,936 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,936 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,936 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,936 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,936 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,937 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,937 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,938 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,938 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,938 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,938 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,938 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,939 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,939 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,939 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,940 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,941 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,941 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,942 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,942 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,943 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,943 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,943 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,943 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,944 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,944 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,944 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,944 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,945 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,945 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,945 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,947 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,947 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,947 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,947 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,948 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,948 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,949 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,949 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,949 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,949 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,949 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,950 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,950 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,950 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,952 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,952 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,953 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,953 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,953 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,954 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,954 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,954 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,954 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,954 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,955 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,955 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,955 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,955 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,956 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,956 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,956 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,956 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,957 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,957 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,957 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,957 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,957 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,958 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,958 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,958 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,958 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,959 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,959 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,959 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,959 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,959 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,960 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,960 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,960 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,960 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,960 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,961 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,961 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,961 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,961 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,961 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,962 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,962 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,962 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,962 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,962 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,962 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,963 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,963 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,965 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,965 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,965 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,966 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,966 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,966 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,966 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,966 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,966 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,967 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,967 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,967 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,967 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,967 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,967 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,968 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,968 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,968 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,968 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,968 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,968 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,969 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,969 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,969 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,969 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,969 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,969 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,970 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,970 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,970 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,970 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,970 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,971 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,971 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,971 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,971 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,971 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,971 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,974 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,974 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,974 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,975 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,975 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,975 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,975 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,976 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,976 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,976 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,976 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,976 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,976 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,977 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,977 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,977 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,978 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,978 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,980 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,981 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,981 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,981 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,981 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,981 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,982 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,982 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,982 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,982 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,982 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,983 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,983 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,983 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,983 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,983 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,984 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,984 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,984 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,984 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,985 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,985 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,985 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,985 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,985 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,986 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,986 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,986 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,986 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,986 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,987 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,987 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,987 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,989 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,989 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,991 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,991 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,992 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,995 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,995 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,997 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:54,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:55,000 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:55,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:55,000 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:55,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:55,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:55,001 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:55,001 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:39:55,002 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 16:39:55,025 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 16:39:55,050 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 16:39:55,050 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 16:39:55,050 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 16:39:55,050 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 16:39:55,050 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 16:39:55,050 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 16:39:55,051 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 16:39:55,051 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 16:39:55,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 132 places, 121 transitions, 262 flow [2021-04-28 16:39:55,121 INFO L129 PetriNetUnfolder]: 2/117 cut-off events. [2021-04-28 16:39:55,121 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:39:55,126 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 2/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 93 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 16:39:55,126 INFO L82 GeneralOperation]: Start removeDead. Operand has 132 places, 121 transitions, 262 flow [2021-04-28 16:39:55,133 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 128 places, 117 transitions, 246 flow [2021-04-28 16:39:55,135 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:39:55,151 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 117 transitions, 246 flow [2021-04-28 16:39:55,155 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 117 transitions, 246 flow [2021-04-28 16:39:55,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 246 flow [2021-04-28 16:39:55,189 INFO L129 PetriNetUnfolder]: 2/117 cut-off events. [2021-04-28 16:39:55,190 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:39:55,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 2/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 95 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 16:39:55,197 INFO L146 LiptonReduction]: Number of co-enabled transitions 2886 [2021-04-28 16:39:55,829 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 16:39:58,943 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 16:39:59,097 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 16:39:59,716 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 16:39:59,973 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 16:40:01,259 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 16:40:15,605 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 16:40:17,855 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 16:40:17,961 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 16:40:18,072 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 16:40:18,181 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 16:40:18,310 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 16:40:19,098 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 16:40:19,403 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:40:19,511 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:40:19,614 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:40:19,717 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:40:21,004 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 16:40:21,158 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 16:40:21,313 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 16:40:21,467 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 16:40:21,757 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 16:40:21,859 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 16:40:21,963 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 16:40:22,067 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 16:40:22,210 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 16:40:22,351 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 16:40:22,498 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 16:40:22,644 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 16:40:22,747 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 16:40:22,852 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 16:40:22,956 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 16:40:23,058 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 16:40:23,186 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 16:40:23,291 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 16:40:23,394 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 16:40:23,498 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 16:40:24,331 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 16:40:24,434 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 16:40:24,537 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 16:40:24,641 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 16:40:24,744 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 16:40:24,847 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 16:40:24,951 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 16:40:25,054 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 16:40:25,206 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:40:25,355 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:40:25,539 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:40:25,713 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:40:25,883 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:40:26,046 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:40:26,219 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:40:26,391 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:40:26,577 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 16:40:26,758 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 16:40:26,935 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 16:40:27,109 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 16:40:27,230 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:40:27,351 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:40:27,468 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:40:27,584 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:40:27,716 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:40:27,843 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:40:27,975 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:40:28,105 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:40:28,217 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:40:28,327 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:40:28,444 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:40:28,565 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:40:28,734 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 16:40:28,917 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 16:40:29,081 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 16:40:29,242 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 16:40:29,368 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 16:40:29,496 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 16:40:29,624 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 16:40:29,748 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 16:40:29,898 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 16:40:30,045 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 16:40:30,194 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 16:40:30,344 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 16:40:30,500 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:40:30,659 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:40:30,815 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:40:30,971 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:40:31,143 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 16:40:31,312 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 16:40:31,477 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 16:40:31,642 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 16:40:31,773 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:40:31,906 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:40:32,053 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:40:32,183 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:40:32,317 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:40:32,449 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:40:32,575 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:40:32,705 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:40:32,891 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 16:40:33,078 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 16:40:33,264 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 16:40:33,447 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 16:40:33,583 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 16:40:33,717 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 16:40:33,853 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 16:40:33,986 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 16:40:34,204 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:40:34,405 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:40:34,609 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:40:34,816 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:40:35,009 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 16:40:35,216 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 16:40:35,415 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 16:40:35,608 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 16:40:35,823 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:40:36,044 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:40:36,255 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:40:36,465 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:40:36,681 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:40:36,892 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:40:37,111 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:40:37,329 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:40:37,511 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 16:40:37,691 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 16:40:37,880 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 16:40:38,068 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 16:40:38,610 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 123 [2021-04-28 16:40:38,863 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-04-28 16:40:39,376 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 123 [2021-04-28 16:40:39,620 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-04-28 16:40:40,168 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2021-04-28 16:40:40,427 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-04-28 16:40:41,021 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2021-04-28 16:40:41,289 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-04-28 16:40:41,534 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:40:41,768 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:40:42,000 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:40:42,242 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:40:42,468 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:40:42,693 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:40:42,916 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:40:43,136 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:40:43,367 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:40:43,595 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:40:43,822 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:40:44,049 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:40:44,178 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:40:44,306 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:40:44,427 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:40:44,550 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:40:44,695 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:40:44,830 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:40:44,983 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:40:45,125 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:40:45,357 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:40:45,584 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:40:45,809 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:40:46,045 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 16:40:46,116 INFO L158 LiptonReduction]: Checked pairs total: 29738 [2021-04-28 16:40:46,116 INFO L160 LiptonReduction]: Total number of compositions: 291 [2021-04-28 16:40:46,123 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50989 [2021-04-28 16:40:46,146 INFO L129 PetriNetUnfolder]: 0/62 cut-off events. [2021-04-28 16:40:46,146 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:40:46,146 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:40:46,147 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 16:40:46,147 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:40:46,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:40:46,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1403811, now seen corresponding path program 1 times [2021-04-28 16:40:46,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:40:46,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037727070] [2021-04-28 16:40:46,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:40:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:40:46,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:40:46,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:40:46,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:40:46,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037727070] [2021-04-28 16:40:46,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:40:46,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 16:40:46,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450504685] [2021-04-28 16:40:46,526 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 16:40:46,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:40:46,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 16:40:46,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 16:40:46,559 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 412 [2021-04-28 16:40:46,569 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 144 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 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) [2021-04-28 16:40:46,569 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:40:46,570 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 412 [2021-04-28 16:40:46,571 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:40:46,898 INFO L129 PetriNetUnfolder]: 133/694 cut-off events. [2021-04-28 16:40:46,898 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:40:46,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 928 conditions, 694 events. 133/694 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 5721 event pairs, 110 based on Foata normal form. 69/349 useless extension candidates. Maximal degree in co-relation 844. Up to 153 conditions per place. [2021-04-28 16:40:46,914 INFO L132 encePairwiseOnDemand]: 391/412 looper letters, 11 selfloop transitions, 2 changer transitions 60/145 dead transitions. [2021-04-28 16:40:46,914 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 145 transitions, 358 flow [2021-04-28 16:40:46,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 16:40:46,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 16:40:46,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 977 transitions. [2021-04-28 16:40:46,946 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.790453074433657 [2021-04-28 16:40:46,947 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 977 transitions. [2021-04-28 16:40:46,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 977 transitions. [2021-04-28 16:40:46,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:40:46,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 977 transitions. [2021-04-28 16:40:46,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 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) [2021-04-28 16:40:46,976 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 412.0) internal successors, (1648), 4 states have internal predecessors, (1648), 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) [2021-04-28 16:40:46,978 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 412.0) internal successors, (1648), 4 states have internal predecessors, (1648), 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) [2021-04-28 16:40:46,980 INFO L185 Difference]: Start difference. First operand has 156 places, 144 transitions, 300 flow. Second operand 3 states and 977 transitions. [2021-04-28 16:40:46,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 145 transitions, 358 flow [2021-04-28 16:40:46,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 145 transitions, 354 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 16:40:46,990 INFO L241 Difference]: Finished difference. Result has 151 places, 80 transitions, 172 flow [2021-04-28 16:40:46,993 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=151, PETRI_TRANSITIONS=80} [2021-04-28 16:40:46,995 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -5 predicate places. [2021-04-28 16:40:46,995 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:40:46,996 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 80 transitions, 172 flow [2021-04-28 16:40:46,997 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 80 transitions, 172 flow [2021-04-28 16:40:46,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 80 transitions, 172 flow [2021-04-28 16:40:47,011 INFO L129 PetriNetUnfolder]: 0/80 cut-off events. [2021-04-28 16:40:47,011 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:40:47,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 80 events. 0/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 389 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 16:40:47,015 INFO L146 LiptonReduction]: Number of co-enabled transitions 3270 [2021-04-28 16:40:47,504 INFO L158 LiptonReduction]: Checked pairs total: 4426 [2021-04-28 16:40:47,505 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:40:47,505 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 510 [2021-04-28 16:40:47,507 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 80 transitions, 172 flow [2021-04-28 16:40:47,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 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) [2021-04-28 16:40:47,509 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:40:47,509 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:40:47,509 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 16:40:47,510 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:40:47,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:40:47,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1218152196, now seen corresponding path program 1 times [2021-04-28 16:40:47,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:40:47,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197422419] [2021-04-28 16:40:47,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:40:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:40:47,631 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 16:40:47,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 16:40:47,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:40:47,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197422419] [2021-04-28 16:40:47,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:40:47,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 16:40:47,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709839699] [2021-04-28 16:40:47,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 16:40:47,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:40:47,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 16:40:47,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 16:40:47,661 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 412 [2021-04-28 16:40:47,663 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 80 transitions, 172 flow. Second operand has 3 states, 3 states have (on average 265.6666666666667) internal successors, (797), 3 states have internal predecessors, (797), 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) [2021-04-28 16:40:47,663 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:40:47,663 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 412 [2021-04-28 16:40:47,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:40:48,897 INFO L129 PetriNetUnfolder]: 2890/6356 cut-off events. [2021-04-28 16:40:48,898 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:40:48,929 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10719 conditions, 6356 events. 2890/6356 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1040. Compared 64899 event pairs, 1162 based on Foata normal form. 0/4408 useless extension candidates. Maximal degree in co-relation 10710. Up to 3871 conditions per place. [2021-04-28 16:40:48,939 INFO L132 encePairwiseOnDemand]: 389/412 looper letters, 7 selfloop transitions, 5 changer transitions 52/110 dead transitions. [2021-04-28 16:40:48,939 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 110 transitions, 360 flow [2021-04-28 16:40:48,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 16:40:48,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 16:40:48,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 856 transitions. [2021-04-28 16:40:48,943 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6925566343042071 [2021-04-28 16:40:48,944 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 856 transitions. [2021-04-28 16:40:48,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 856 transitions. [2021-04-28 16:40:48,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:40:48,945 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 856 transitions. [2021-04-28 16:40:48,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 285.3333333333333) internal successors, (856), 3 states have internal predecessors, (856), 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) [2021-04-28 16:40:48,951 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 412.0) internal successors, (1648), 4 states have internal predecessors, (1648), 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) [2021-04-28 16:40:48,952 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 412.0) internal successors, (1648), 4 states have internal predecessors, (1648), 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) [2021-04-28 16:40:48,952 INFO L185 Difference]: Start difference. First operand has 91 places, 80 transitions, 172 flow. Second operand 3 states and 856 transitions. [2021-04-28 16:40:48,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 110 transitions, 360 flow [2021-04-28 16:40:48,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 110 transitions, 356 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 16:40:48,956 INFO L241 Difference]: Finished difference. Result has 92 places, 58 transitions, 153 flow [2021-04-28 16:40:48,956 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=153, PETRI_PLACES=92, PETRI_TRANSITIONS=58} [2021-04-28 16:40:48,957 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -64 predicate places. [2021-04-28 16:40:48,957 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:40:48,957 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 58 transitions, 153 flow [2021-04-28 16:40:48,957 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 58 transitions, 153 flow [2021-04-28 16:40:48,958 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 58 transitions, 153 flow [2021-04-28 16:40:49,033 INFO L129 PetriNetUnfolder]: 129/446 cut-off events. [2021-04-28 16:40:49,034 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:40:49,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 661 conditions, 446 events. 129/446 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3097 event pairs, 95 based on Foata normal form. 0/311 useless extension candidates. Maximal degree in co-relation 653. Up to 200 conditions per place. [2021-04-28 16:40:49,047 INFO L146 LiptonReduction]: Number of co-enabled transitions 1848 [2021-04-28 16:40:49,305 INFO L158 LiptonReduction]: Checked pairs total: 1406 [2021-04-28 16:40:49,305 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:40:49,305 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 348 [2021-04-28 16:40:49,308 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 58 transitions, 153 flow [2021-04-28 16:40:49,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 265.6666666666667) internal successors, (797), 3 states have internal predecessors, (797), 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) [2021-04-28 16:40:49,309 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:40:49,309 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:40:49,310 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 16:40:49,310 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:40:49,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:40:49,310 INFO L82 PathProgramCache]: Analyzing trace with hash 513978711, now seen corresponding path program 1 times [2021-04-28 16:40:49,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:40:49,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654232951] [2021-04-28 16:40:49,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:40:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:40:49,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:40:49,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:40:49,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:40:49,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654232951] [2021-04-28 16:40:49,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:40:49,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 16:40:49,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473457381] [2021-04-28 16:40:49,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 16:40:49,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:40:49,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 16:40:49,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 16:40:49,412 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 284 out of 412 [2021-04-28 16:40:49,413 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 58 transitions, 153 flow. Second operand has 3 states, 3 states have (on average 284.6666666666667) internal successors, (854), 3 states have internal predecessors, (854), 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) [2021-04-28 16:40:49,414 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:40:49,414 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 284 of 412 [2021-04-28 16:40:49,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:40:49,479 INFO L129 PetriNetUnfolder]: 101/319 cut-off events. [2021-04-28 16:40:49,479 INFO L130 PetriNetUnfolder]: For 44/68 co-relation queries the response was YES. [2021-04-28 16:40:49,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 533 conditions, 319 events. 101/319 cut-off events. For 44/68 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1917 event pairs, 56 based on Foata normal form. 8/239 useless extension candidates. Maximal degree in co-relation 523. Up to 161 conditions per place. [2021-04-28 16:40:49,484 INFO L132 encePairwiseOnDemand]: 409/412 looper letters, 1 selfloop transitions, 3 changer transitions 0/58 dead transitions. [2021-04-28 16:40:49,485 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 58 transitions, 161 flow [2021-04-28 16:40:49,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 16:40:49,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 16:40:49,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 856 transitions. [2021-04-28 16:40:49,488 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6925566343042071 [2021-04-28 16:40:49,489 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 856 transitions. [2021-04-28 16:40:49,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 856 transitions. [2021-04-28 16:40:49,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:40:49,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 856 transitions. [2021-04-28 16:40:49,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 285.3333333333333) internal successors, (856), 3 states have internal predecessors, (856), 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) [2021-04-28 16:40:49,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 412.0) internal successors, (1648), 4 states have internal predecessors, (1648), 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) [2021-04-28 16:40:49,497 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 412.0) internal successors, (1648), 4 states have internal predecessors, (1648), 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) [2021-04-28 16:40:49,497 INFO L185 Difference]: Start difference. First operand has 66 places, 58 transitions, 153 flow. Second operand 3 states and 856 transitions. [2021-04-28 16:40:49,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 58 transitions, 161 flow [2021-04-28 16:40:49,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 58 transitions, 156 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 16:40:49,501 INFO L241 Difference]: Finished difference. Result has 68 places, 58 transitions, 159 flow [2021-04-28 16:40:49,501 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=159, PETRI_PLACES=68, PETRI_TRANSITIONS=58} [2021-04-28 16:40:49,501 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -88 predicate places. [2021-04-28 16:40:49,501 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:40:49,502 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 58 transitions, 159 flow [2021-04-28 16:40:49,502 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 58 transitions, 159 flow [2021-04-28 16:40:49,503 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 58 transitions, 159 flow [2021-04-28 16:40:49,564 INFO L129 PetriNetUnfolder]: 101/363 cut-off events. [2021-04-28 16:40:49,564 INFO L130 PetriNetUnfolder]: For 31/42 co-relation queries the response was YES. [2021-04-28 16:40:49,566 INFO L84 FinitePrefix]: Finished finitePrefix Result has 585 conditions, 363 events. 101/363 cut-off events. For 31/42 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2308 event pairs, 59 based on Foata normal form. 0/254 useless extension candidates. Maximal degree in co-relation 575. Up to 161 conditions per place. [2021-04-28 16:40:49,575 INFO L146 LiptonReduction]: Number of co-enabled transitions 1844 [2021-04-28 16:40:49,588 INFO L158 LiptonReduction]: Checked pairs total: 1404 [2021-04-28 16:40:49,588 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:40:49,589 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 88 [2021-04-28 16:40:49,591 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 58 transitions, 159 flow [2021-04-28 16:40:49,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 284.6666666666667) internal successors, (854), 3 states have internal predecessors, (854), 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) [2021-04-28 16:40:49,592 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:40:49,592 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:40:49,593 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 16:40:49,593 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:40:49,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:40:49,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1531039779, now seen corresponding path program 1 times [2021-04-28 16:40:49,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:40:49,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021966673] [2021-04-28 16:40:49,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:40:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:40:49,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:40:49,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:40:49,665 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 16:40:49,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 16:40:49,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:40:49,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021966673] [2021-04-28 16:40:49,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:40:49,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 16:40:49,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407966323] [2021-04-28 16:40:49,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 16:40:49,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:40:49,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 16:40:49,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 16:40:49,688 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 412 [2021-04-28 16:40:49,690 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 58 transitions, 159 flow. Second operand has 4 states, 4 states have (on average 265.75) internal successors, (1063), 4 states have internal predecessors, (1063), 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) [2021-04-28 16:40:49,690 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:40:49,690 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 412 [2021-04-28 16:40:49,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:40:49,766 INFO L129 PetriNetUnfolder]: 81/243 cut-off events. [2021-04-28 16:40:49,767 INFO L130 PetriNetUnfolder]: For 65/177 co-relation queries the response was YES. [2021-04-28 16:40:49,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 563 conditions, 243 events. 81/243 cut-off events. For 65/177 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1238 event pairs, 10 based on Foata normal form. 6/188 useless extension candidates. Maximal degree in co-relation 551. Up to 133 conditions per place. [2021-04-28 16:40:49,771 INFO L132 encePairwiseOnDemand]: 409/412 looper letters, 13 selfloop transitions, 3 changer transitions 0/62 dead transitions. [2021-04-28 16:40:49,771 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 62 transitions, 210 flow [2021-04-28 16:40:49,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 16:40:49,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 16:40:49,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 808 transitions. [2021-04-28 16:40:49,775 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6537216828478964 [2021-04-28 16:40:49,775 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 808 transitions. [2021-04-28 16:40:49,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 808 transitions. [2021-04-28 16:40:49,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:40:49,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 808 transitions. [2021-04-28 16:40:49,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 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) [2021-04-28 16:40:49,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 412.0) internal successors, (1648), 4 states have internal predecessors, (1648), 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) [2021-04-28 16:40:49,784 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 412.0) internal successors, (1648), 4 states have internal predecessors, (1648), 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) [2021-04-28 16:40:49,784 INFO L185 Difference]: Start difference. First operand has 68 places, 58 transitions, 159 flow. Second operand 3 states and 808 transitions. [2021-04-28 16:40:49,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 62 transitions, 210 flow [2021-04-28 16:40:49,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 62 transitions, 202 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 16:40:49,787 INFO L241 Difference]: Finished difference. Result has 69 places, 58 transitions, 164 flow [2021-04-28 16:40:49,788 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=69, PETRI_TRANSITIONS=58} [2021-04-28 16:40:49,788 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -87 predicate places. [2021-04-28 16:40:49,788 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:40:49,788 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 58 transitions, 164 flow [2021-04-28 16:40:49,789 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 58 transitions, 164 flow [2021-04-28 16:40:49,789 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 58 transitions, 164 flow [2021-04-28 16:40:49,844 INFO L129 PetriNetUnfolder]: 81/319 cut-off events. [2021-04-28 16:40:49,844 INFO L130 PetriNetUnfolder]: For 55/63 co-relation queries the response was YES. [2021-04-28 16:40:49,846 INFO L84 FinitePrefix]: Finished finitePrefix Result has 534 conditions, 319 events. 81/319 cut-off events. For 55/63 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1975 event pairs, 42 based on Foata normal form. 1/221 useless extension candidates. Maximal degree in co-relation 523. Up to 133 conditions per place. [2021-04-28 16:40:49,854 INFO L146 LiptonReduction]: Number of co-enabled transitions 1840 [2021-04-28 16:40:49,862 INFO L158 LiptonReduction]: Checked pairs total: 1402 [2021-04-28 16:40:49,862 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:40:49,863 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 75 [2021-04-28 16:40:49,865 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 58 transitions, 164 flow [2021-04-28 16:40:49,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 265.75) internal successors, (1063), 4 states have internal predecessors, (1063), 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) [2021-04-28 16:40:49,866 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:40:49,867 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:40:49,867 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 16:40:49,867 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:40:49,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:40:49,867 INFO L82 PathProgramCache]: Analyzing trace with hash -308596971, now seen corresponding path program 1 times [2021-04-28 16:40:49,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:40:49,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229552346] [2021-04-28 16:40:49,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:40:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:40:49,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:40:49,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:40:49,947 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 16:40:49,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 16:40:49,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:40:49,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:40:49,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:40:49,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229552346] [2021-04-28 16:40:49,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:40:49,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 16:40:49,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74401252] [2021-04-28 16:40:49,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 16:40:49,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:40:49,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 16:40:49,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 16:40:49,962 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 412 [2021-04-28 16:40:49,963 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 58 transitions, 164 flow. Second operand has 4 states, 4 states have (on average 316.75) internal successors, (1267), 4 states have internal predecessors, (1267), 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) [2021-04-28 16:40:49,963 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:40:49,963 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 412 [2021-04-28 16:40:49,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:40:54,834 INFO L129 PetriNetUnfolder]: 23401/35115 cut-off events. [2021-04-28 16:40:54,835 INFO L130 PetriNetUnfolder]: For 1752/1818 co-relation queries the response was YES. [2021-04-28 16:40:55,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71281 conditions, 35115 events. 23401/35115 cut-off events. For 1752/1818 co-relation queries the response was YES. Maximal size of possible extension queue 5331. Compared 305733 event pairs, 12259 based on Foata normal form. 649/10705 useless extension candidates. Maximal degree in co-relation 71268. Up to 22030 conditions per place. [2021-04-28 16:40:55,203 INFO L132 encePairwiseOnDemand]: 392/412 looper letters, 34 selfloop transitions, 33 changer transitions 0/102 dead transitions. [2021-04-28 16:40:55,203 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 102 transitions, 386 flow [2021-04-28 16:40:55,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 16:40:55,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 16:40:55,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1646 transitions. [2021-04-28 16:40:55,209 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7990291262135922 [2021-04-28 16:40:55,209 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1646 transitions. [2021-04-28 16:40:55,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1646 transitions. [2021-04-28 16:40:55,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:40:55,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1646 transitions. [2021-04-28 16:40:55,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 329.2) internal successors, (1646), 5 states have internal predecessors, (1646), 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) [2021-04-28 16:40:55,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 412.0) internal successors, (2472), 6 states have internal predecessors, (2472), 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) [2021-04-28 16:40:55,225 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 412.0) internal successors, (2472), 6 states have internal predecessors, (2472), 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) [2021-04-28 16:40:55,225 INFO L185 Difference]: Start difference. First operand has 69 places, 58 transitions, 164 flow. Second operand 5 states and 1646 transitions. [2021-04-28 16:40:55,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 102 transitions, 386 flow [2021-04-28 16:40:55,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 102 transitions, 380 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 16:40:55,234 INFO L241 Difference]: Finished difference. Result has 74 places, 89 transitions, 404 flow [2021-04-28 16:40:55,235 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=404, PETRI_PLACES=74, PETRI_TRANSITIONS=89} [2021-04-28 16:40:55,235 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -82 predicate places. [2021-04-28 16:40:55,235 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:40:55,235 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 89 transitions, 404 flow [2021-04-28 16:40:55,236 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 89 transitions, 404 flow [2021-04-28 16:40:55,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 89 transitions, 404 flow [2021-04-28 16:40:58,672 INFO L129 PetriNetUnfolder]: 21102/32373 cut-off events. [2021-04-28 16:40:58,673 INFO L130 PetriNetUnfolder]: For 6510/13427 co-relation queries the response was YES. [2021-04-28 16:40:58,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92301 conditions, 32373 events. 21102/32373 cut-off events. For 6510/13427 co-relation queries the response was YES. Maximal size of possible extension queue 4489. Compared 291248 event pairs, 11897 based on Foata normal form. 8/10015 useless extension candidates. Maximal degree in co-relation 92287. Up to 30116 conditions per place. [2021-04-28 16:40:59,294 INFO L146 LiptonReduction]: Number of co-enabled transitions 2592 [2021-04-28 16:41:20,813 INFO L158 LiptonReduction]: Checked pairs total: 2880 [2021-04-28 16:41:20,814 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:41:20,814 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25579 [2021-04-28 16:41:20,816 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 89 transitions, 404 flow [2021-04-28 16:41:20,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 316.75) internal successors, (1267), 4 states have internal predecessors, (1267), 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) [2021-04-28 16:41:20,817 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:41:20,818 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:41:20,818 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 16:41:20,818 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:41:20,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:41:20,819 INFO L82 PathProgramCache]: Analyzing trace with hash -580733844, now seen corresponding path program 1 times [2021-04-28 16:41:20,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:41:20,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7681094] [2021-04-28 16:41:20,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:41:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:41:20,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:41:20,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:41:20,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:41:20,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:41:20,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:41:20,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:41:20,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:41:20,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7681094] [2021-04-28 16:41:20,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:41:20,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 16:41:20,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154088922] [2021-04-28 16:41:20,886 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 16:41:20,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:41:20,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 16:41:20,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 16:41:20,889 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 412 [2021-04-28 16:41:20,890 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 89 transitions, 404 flow. Second operand has 4 states, 4 states have (on average 254.25) internal successors, (1017), 4 states have internal predecessors, (1017), 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) [2021-04-28 16:41:20,891 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:41:20,891 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 412 [2021-04-28 16:41:20,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:41:24,735 INFO L129 PetriNetUnfolder]: 33640/50355 cut-off events. [2021-04-28 16:41:24,736 INFO L130 PetriNetUnfolder]: For 14886/100050 co-relation queries the response was YES. [2021-04-28 16:41:24,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 144186 conditions, 50355 events. 33640/50355 cut-off events. For 14886/100050 co-relation queries the response was YES. Maximal size of possible extension queue 8178. Compared 458943 event pairs, 19218 based on Foata normal form. 464/15446 useless extension candidates. Maximal degree in co-relation 144170. Up to 47132 conditions per place. [2021-04-28 16:41:25,208 INFO L132 encePairwiseOnDemand]: 409/412 looper letters, 6 selfloop transitions, 2 changer transitions 0/91 dead transitions. [2021-04-28 16:41:25,208 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 91 transitions, 429 flow [2021-04-28 16:41:25,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 16:41:25,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 16:41:25,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1020 transitions. [2021-04-28 16:41:25,213 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6189320388349514 [2021-04-28 16:41:25,213 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1020 transitions. [2021-04-28 16:41:25,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1020 transitions. [2021-04-28 16:41:25,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:41:25,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1020 transitions. [2021-04-28 16:41:25,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 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) [2021-04-28 16:41:25,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 412.0) internal successors, (2060), 5 states have internal predecessors, (2060), 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) [2021-04-28 16:41:25,225 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 412.0) internal successors, (2060), 5 states have internal predecessors, (2060), 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) [2021-04-28 16:41:25,225 INFO L185 Difference]: Start difference. First operand has 74 places, 89 transitions, 404 flow. Second operand 4 states and 1020 transitions. [2021-04-28 16:41:25,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 91 transitions, 429 flow [2021-04-28 16:41:25,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 91 transitions, 429 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 16:41:25,302 INFO L241 Difference]: Finished difference. Result has 79 places, 90 transitions, 419 flow [2021-04-28 16:41:25,302 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=419, PETRI_PLACES=79, PETRI_TRANSITIONS=90} [2021-04-28 16:41:25,303 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -77 predicate places. [2021-04-28 16:41:25,303 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:41:25,303 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 90 transitions, 419 flow [2021-04-28 16:41:25,303 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 90 transitions, 419 flow [2021-04-28 16:41:25,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 90 transitions, 419 flow [2021-04-28 16:41:30,777 INFO L129 PetriNetUnfolder]: 36450/54920 cut-off events. [2021-04-28 16:41:30,778 INFO L130 PetriNetUnfolder]: For 11546/51227 co-relation queries the response was YES. [2021-04-28 16:41:30,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 157204 conditions, 54920 events. 36450/54920 cut-off events. For 11546/51227 co-relation queries the response was YES. Maximal size of possible extension queue 7989. Compared 512211 event pairs, 20819 based on Foata normal form. 10/16546 useless extension candidates. Maximal degree in co-relation 157187. Up to 51767 conditions per place. [2021-04-28 16:41:31,638 INFO L146 LiptonReduction]: Number of co-enabled transitions 2674 [2021-04-28 16:41:35,980 INFO L158 LiptonReduction]: Checked pairs total: 5680 [2021-04-28 16:41:35,980 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 16:41:35,980 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10677 [2021-04-28 16:41:35,982 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 91 transitions, 427 flow [2021-04-28 16:41:35,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 254.25) internal successors, (1017), 4 states have internal predecessors, (1017), 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) [2021-04-28 16:41:35,983 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:41:35,983 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:41:35,983 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 16:41:35,983 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:41:35,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:41:35,983 INFO L82 PathProgramCache]: Analyzing trace with hash 762801654, now seen corresponding path program 1 times [2021-04-28 16:41:35,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:41:35,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450174349] [2021-04-28 16:41:35,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:41:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:41:36,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:41:36,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:41:36,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:41:36,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:41:36,122 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 16:41:36,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 16:41:36,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:41:36,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:41:36,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:41:36,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450174349] [2021-04-28 16:41:36,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:41:36,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 16:41:36,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582856800] [2021-04-28 16:41:36,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 16:41:36,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:41:36,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 16:41:36,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 16:41:36,145 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 413 [2021-04-28 16:41:36,147 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 91 transitions, 427 flow. Second operand has 5 states, 5 states have (on average 317.8) internal successors, (1589), 5 states have internal predecessors, (1589), 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) [2021-04-28 16:41:36,147 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:41:36,148 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 413 [2021-04-28 16:41:36,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:41:43,545 INFO L129 PetriNetUnfolder]: 44597/69988 cut-off events. [2021-04-28 16:41:43,545 INFO L130 PetriNetUnfolder]: For 22256/465833 co-relation queries the response was YES. [2021-04-28 16:41:44,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 268287 conditions, 69988 events. 44597/69988 cut-off events. For 22256/465833 co-relation queries the response was YES. Maximal size of possible extension queue 12639. Compared 686061 event pairs, 8999 based on Foata normal form. 1359/23797 useless extension candidates. Maximal degree in co-relation 268268. Up to 64862 conditions per place. [2021-04-28 16:41:44,274 INFO L132 encePairwiseOnDemand]: 393/413 looper letters, 35 selfloop transitions, 64 changer transitions 0/136 dead transitions. [2021-04-28 16:41:44,275 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 136 transitions, 874 flow [2021-04-28 16:41:44,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 16:41:44,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 16:41:44,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2315 transitions. [2021-04-28 16:41:44,285 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8007609823590454 [2021-04-28 16:41:44,285 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2315 transitions. [2021-04-28 16:41:44,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2315 transitions. [2021-04-28 16:41:44,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:41:44,288 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2315 transitions. [2021-04-28 16:41:44,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 330.7142857142857) internal successors, (2315), 7 states have internal predecessors, (2315), 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) [2021-04-28 16:41:44,300 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 413.0) internal successors, (3304), 8 states have internal predecessors, (3304), 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) [2021-04-28 16:41:44,304 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 413.0) internal successors, (3304), 8 states have internal predecessors, (3304), 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) [2021-04-28 16:41:44,304 INFO L185 Difference]: Start difference. First operand has 80 places, 91 transitions, 427 flow. Second operand 7 states and 2315 transitions. [2021-04-28 16:41:44,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 136 transitions, 874 flow [2021-04-28 16:41:44,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 136 transitions, 871 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 16:41:44,417 INFO L241 Difference]: Finished difference. Result has 88 places, 122 transitions, 866 flow [2021-04-28 16:41:44,417 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=866, PETRI_PLACES=88, PETRI_TRANSITIONS=122} [2021-04-28 16:41:44,417 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -68 predicate places. [2021-04-28 16:41:44,417 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:41:44,417 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 122 transitions, 866 flow [2021-04-28 16:41:44,418 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 122 transitions, 866 flow [2021-04-28 16:41:44,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 122 transitions, 866 flow [2021-04-28 16:41:51,254 INFO L129 PetriNetUnfolder]: 42228/67749 cut-off events. [2021-04-28 16:41:51,254 INFO L130 PetriNetUnfolder]: For 55833/341904 co-relation queries the response was YES. [2021-04-28 16:41:51,584 INFO L84 FinitePrefix]: Finished finitePrefix Result has 319585 conditions, 67749 events. 42228/67749 cut-off events. For 55833/341904 co-relation queries the response was YES. Maximal size of possible extension queue 11108. Compared 707380 event pairs, 8948 based on Foata normal form. 38/20801 useless extension candidates. Maximal degree in co-relation 319564. Up to 64166 conditions per place. [2021-04-28 16:41:52,545 INFO L146 LiptonReduction]: Number of co-enabled transitions 3890 [2021-04-28 16:41:55,197 INFO L158 LiptonReduction]: Checked pairs total: 6053 [2021-04-28 16:41:55,197 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:41:55,197 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10780 [2021-04-28 16:41:55,199 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 122 transitions, 866 flow [2021-04-28 16:41:55,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 317.8) internal successors, (1589), 5 states have internal predecessors, (1589), 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) [2021-04-28 16:41:55,200 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:41:55,200 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:41:55,200 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 16:41:55,200 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:41:55,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:41:55,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1089563638, now seen corresponding path program 1 times [2021-04-28 16:41:55,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:41:55,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940432142] [2021-04-28 16:41:55,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:41:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:41:55,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:41:55,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:41:55,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:41:55,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:41:55,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:41:55,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:41:55,333 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 16:41:55,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 16:41:55,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:41:55,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:41:55,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:41:55,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940432142] [2021-04-28 16:41:55,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:41:55,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 16:41:55,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122203652] [2021-04-28 16:41:55,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 16:41:55,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:41:55,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 16:41:55,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 16:41:55,350 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 413 [2021-04-28 16:41:55,352 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 122 transitions, 866 flow. Second operand has 6 states, 6 states have (on average 317.8333333333333) internal successors, (1907), 6 states have internal predecessors, (1907), 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) [2021-04-28 16:41:55,352 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:41:55,352 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 413 [2021-04-28 16:41:55,352 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:42:03,554 INFO L129 PetriNetUnfolder]: 41762/69457 cut-off events. [2021-04-28 16:42:03,554 INFO L130 PetriNetUnfolder]: For 71588/1283480 co-relation queries the response was YES. [2021-04-28 16:42:04,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 393893 conditions, 69457 events. 41762/69457 cut-off events. For 71588/1283480 co-relation queries the response was YES. Maximal size of possible extension queue 12453. Compared 732185 event pairs, 1466 based on Foata normal form. 1452/23360 useless extension candidates. Maximal degree in co-relation 393870. Up to 65204 conditions per place. [2021-04-28 16:42:04,341 INFO L132 encePairwiseOnDemand]: 393/413 looper letters, 24 selfloop transitions, 95 changer transitions 12/168 dead transitions. [2021-04-28 16:42:04,341 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 168 transitions, 1538 flow [2021-04-28 16:42:04,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 16:42:04,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 16:42:04,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2979 transitions. [2021-04-28 16:42:04,350 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.801452784503632 [2021-04-28 16:42:04,350 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2979 transitions. [2021-04-28 16:42:04,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2979 transitions. [2021-04-28 16:42:04,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:42:04,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2979 transitions. [2021-04-28 16:42:04,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 331.0) internal successors, (2979), 9 states have internal predecessors, (2979), 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) [2021-04-28 16:42:04,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 413.0) internal successors, (4130), 10 states have internal predecessors, (4130), 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) [2021-04-28 16:42:04,370 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 413.0) internal successors, (4130), 10 states have internal predecessors, (4130), 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) [2021-04-28 16:42:04,370 INFO L185 Difference]: Start difference. First operand has 88 places, 122 transitions, 866 flow. Second operand 9 states and 2979 transitions. [2021-04-28 16:42:04,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 168 transitions, 1538 flow [2021-04-28 16:42:14,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 168 transitions, 1375 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 16:42:14,145 INFO L241 Difference]: Finished difference. Result has 96 places, 153 transitions, 1294 flow [2021-04-28 16:42:14,146 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=704, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1294, PETRI_PLACES=96, PETRI_TRANSITIONS=153} [2021-04-28 16:42:14,146 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -60 predicate places. [2021-04-28 16:42:14,146 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:42:14,146 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 153 transitions, 1294 flow [2021-04-28 16:42:14,147 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 153 transitions, 1294 flow [2021-04-28 16:42:14,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 153 transitions, 1294 flow [2021-04-28 16:42:20,267 INFO L129 PetriNetUnfolder]: 31055/56202 cut-off events. [2021-04-28 16:42:20,267 INFO L130 PetriNetUnfolder]: For 243168/485830 co-relation queries the response was YES. [2021-04-28 16:42:20,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 324835 conditions, 56202 events. 31055/56202 cut-off events. For 243168/485830 co-relation queries the response was YES. Maximal size of possible extension queue 10515. Compared 672364 event pairs, 1393 based on Foata normal form. 1/17014 useless extension candidates. Maximal degree in co-relation 324811. Up to 44920 conditions per place. [2021-04-28 16:42:21,421 INFO L146 LiptonReduction]: Number of co-enabled transitions 4518 [2021-04-28 16:43:09,813 INFO L158 LiptonReduction]: Checked pairs total: 9683 [2021-04-28 16:43:09,813 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:43:09,813 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55667 [2021-04-28 16:43:09,815 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 153 transitions, 1294 flow [2021-04-28 16:43:09,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 317.8333333333333) internal successors, (1907), 6 states have internal predecessors, (1907), 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) [2021-04-28 16:43:09,816 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:43:09,816 INFO L263 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] [2021-04-28 16:43:09,816 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 16:43:09,816 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:43:09,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:43:09,817 INFO L82 PathProgramCache]: Analyzing trace with hash -366100196, now seen corresponding path program 1 times [2021-04-28 16:43:09,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:43:09,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766968566] [2021-04-28 16:43:09,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:43:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:43:09,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:43:09,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 16:43:09,933 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-04-28 16:43:09,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 16:43:09,969 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-28 16:43:09,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-28 16:43:10,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:43:10,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 16:43:10,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:43:10,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:43:10,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:43:10,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766968566] [2021-04-28 16:43:10,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:43:10,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 16:43:10,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724189751] [2021-04-28 16:43:10,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 16:43:10,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:43:10,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 16:43:10,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-28 16:43:10,041 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 413 [2021-04-28 16:43:10,059 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 153 transitions, 1294 flow. Second operand has 7 states, 7 states have (on average 215.14285714285714) internal successors, (1506), 7 states have internal predecessors, (1506), 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) [2021-04-28 16:43:10,059 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:43:10,059 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 413 [2021-04-28 16:43:10,060 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:43:51,105 INFO L129 PetriNetUnfolder]: 141334/259712 cut-off events. [2021-04-28 16:43:51,105 INFO L130 PetriNetUnfolder]: For 1205527/9807034 co-relation queries the response was YES. [2021-04-28 16:43:52,760 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1484090 conditions, 259712 events. 141334/259712 cut-off events. For 1205527/9807034 co-relation queries the response was YES. Maximal size of possible extension queue 44634. Compared 3552859 event pairs, 4959 based on Foata normal form. 543/76918 useless extension candidates. Maximal degree in co-relation 1484064. Up to 204841 conditions per place. [2021-04-28 16:43:53,500 INFO L132 encePairwiseOnDemand]: 405/413 looper letters, 18 selfloop transitions, 12 changer transitions 0/174 dead transitions. [2021-04-28 16:43:53,500 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 174 transitions, 1464 flow [2021-04-28 16:43:53,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 16:43:53,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 16:43:53,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1529 transitions. [2021-04-28 16:43:53,510 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5288827395364926 [2021-04-28 16:43:53,510 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1529 transitions. [2021-04-28 16:43:53,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1529 transitions. [2021-04-28 16:43:53,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:43:53,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1529 transitions. [2021-04-28 16:43:53,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 218.42857142857142) internal successors, (1529), 7 states have internal predecessors, (1529), 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) [2021-04-28 16:43:53,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 413.0) internal successors, (3304), 8 states have internal predecessors, (3304), 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) [2021-04-28 16:43:53,522 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 413.0) internal successors, (3304), 8 states have internal predecessors, (3304), 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) [2021-04-28 16:43:53,522 INFO L185 Difference]: Start difference. First operand has 96 places, 153 transitions, 1294 flow. Second operand 7 states and 1529 transitions. [2021-04-28 16:43:53,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 174 transitions, 1464 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown