/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread/queue_ok_longer.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 23:46:00,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 23:46:00,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 23:46:00,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 23:46:00,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 23:46:00,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 23:46:00,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 23:46:00,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 23:46:00,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 23:46:00,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 23:46:00,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 23:46:00,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 23:46:00,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 23:46:00,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 23:46:00,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 23:46:00,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 23:46:00,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 23:46:00,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 23:46:00,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 23:46:00,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 23:46:00,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 23:46:00,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 23:46:00,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 23:46:00,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 23:46:00,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-15 23:46:00,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 23:46:00,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 23:46:00,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 23:46:00,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 23:46:00,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 23:46:00,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 23:46:00,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 23:46:00,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 23:46:00,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 23:46:00,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 23:46:00,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 23:46:00,793 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-SemanticLbe.epf [2020-10-15 23:46:00,813 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 23:46:00,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 23:46:00,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 23:46:00,815 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 23:46:00,815 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 23:46:00,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 23:46:00,815 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 23:46:00,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 23:46:00,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 23:46:00,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 23:46:00,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 23:46:00,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 23:46:00,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 23:46:00,817 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 23:46:00,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 23:46:00,817 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 23:46:00,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 23:46:00,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 23:46:00,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 23:46:00,818 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 23:46:00,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 23:46:00,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 23:46:00,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 23:46:00,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 23:46:00,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 23:46:00,819 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 23:46:00,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 23:46:00,819 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-15 23:46:00,820 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 23:46:01,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 23:46:01,142 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 23:46:01,145 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 23:46:01,147 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 23:46:01,147 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 23:46:01,148 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longer.i [2020-10-15 23:46:01,208 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/318799623/eef242ca428243ad951d5843b221d38e/FLAGec88d0ee0 [2020-10-15 23:46:01,750 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 23:46:01,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longer.i [2020-10-15 23:46:01,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/318799623/eef242ca428243ad951d5843b221d38e/FLAGec88d0ee0 [2020-10-15 23:46:02,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/318799623/eef242ca428243ad951d5843b221d38e [2020-10-15 23:46:02,044 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 23:46:02,046 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 23:46:02,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 23:46:02,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 23:46:02,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 23:46:02,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 11:46:02" (1/1) ... [2020-10-15 23:46:02,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dcbca41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:02, skipping insertion in model container [2020-10-15 23:46:02,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 11:46:02" (1/1) ... [2020-10-15 23:46:02,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 23:46:02,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 23:46:02,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 23:46:02,752 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 23:46:02,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 23:46:02,958 INFO L208 MainTranslator]: Completed translation [2020-10-15 23:46:02,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:02 WrapperNode [2020-10-15 23:46:02,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 23:46:02,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 23:46:02,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 23:46:02,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 23:46:02,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:02" (1/1) ... [2020-10-15 23:46:03,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:02" (1/1) ... [2020-10-15 23:46:03,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 23:46:03,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 23:46:03,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 23:46:03,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 23:46:03,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:02" (1/1) ... [2020-10-15 23:46:03,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:02" (1/1) ... [2020-10-15 23:46:03,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:02" (1/1) ... [2020-10-15 23:46:03,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:02" (1/1) ... [2020-10-15 23:46:03,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:02" (1/1) ... [2020-10-15 23:46:03,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:02" (1/1) ... [2020-10-15 23:46:03,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:02" (1/1) ... [2020-10-15 23:46:03,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 23:46:03,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 23:46:03,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 23:46:03,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 23:46:03,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:02" (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 [2020-10-15 23:46:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-15 23:46:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-15 23:46:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-15 23:46:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-15 23:46:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 23:46:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 23:46:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 23:46:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 23:46:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-15 23:46:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 23:46:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 23:46:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 23:46:03,188 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 23:46:03,766 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 23:46:03,766 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-15 23:46:03,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 11:46:03 BoogieIcfgContainer [2020-10-15 23:46:03,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 23:46:03,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 23:46:03,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 23:46:03,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 23:46:03,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 11:46:02" (1/3) ... [2020-10-15 23:46:03,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc2d774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 11:46:03, skipping insertion in model container [2020-10-15 23:46:03,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:02" (2/3) ... [2020-10-15 23:46:03,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc2d774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 11:46:03, skipping insertion in model container [2020-10-15 23:46:03,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 11:46:03" (3/3) ... [2020-10-15 23:46:03,780 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_ok_longer.i [2020-10-15 23:46:03,795 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 23:46:03,804 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-15 23:46:03,806 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 23:46:03,849 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,849 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,850 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,850 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,850 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,851 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,851 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,851 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,852 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,852 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,852 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,852 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,853 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,853 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,853 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,853 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,854 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,854 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,854 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,854 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,854 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,855 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,855 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,855 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,856 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,856 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,856 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,856 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,856 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,856 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,857 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,857 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,857 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,857 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,858 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,858 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,858 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,858 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,859 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,859 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,859 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,859 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,860 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,860 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,860 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,860 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,860 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,861 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,861 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,861 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,862 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,862 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,862 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,862 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,863 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,863 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,863 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,863 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,864 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,864 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,865 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,865 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,866 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,866 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,866 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,866 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,867 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,867 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,867 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,867 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,867 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,868 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,868 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,868 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,868 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,869 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,869 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,869 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,869 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,869 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,870 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,870 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,870 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,870 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,870 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,871 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,872 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,872 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,873 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,873 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,873 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,874 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,874 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,874 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,874 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,875 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,880 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,880 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,881 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,881 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,882 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,882 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,882 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,882 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,882 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,883 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,883 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,883 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,883 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,884 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,884 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,884 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,884 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,885 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,885 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,885 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,885 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,886 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,886 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,886 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,886 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,886 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,887 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,887 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,887 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,887 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,887 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,888 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,888 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,888 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,889 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,889 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,889 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,889 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,890 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,890 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,890 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,890 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,891 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,891 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,891 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,891 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,891 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,892 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,892 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,892 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,892 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,892 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,893 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,893 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,893 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,893 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,893 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,894 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,894 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,894 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,894 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,895 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,895 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,895 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,895 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,895 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,896 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,896 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,896 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,896 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,896 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,897 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,897 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,897 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,897 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,897 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,898 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,898 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,898 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,898 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,899 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,899 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,899 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,899 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,900 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,900 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,900 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,900 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,901 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,901 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,901 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,901 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,901 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,902 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,902 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,902 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,902 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,902 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,903 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,903 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,903 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,903 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,903 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,904 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,904 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,904 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,905 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,905 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,905 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,905 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,906 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,906 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,906 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,906 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,906 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,907 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,911 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,911 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,912 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,912 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,912 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,912 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,912 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,913 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,913 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,913 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,913 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,914 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,914 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,914 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,914 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,914 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,915 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,915 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,915 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,915 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,916 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,916 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,916 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,922 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,922 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,923 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,923 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,923 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,923 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,924 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,924 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,924 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,924 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,924 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,925 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,925 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,925 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,925 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,926 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,926 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,926 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,926 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,926 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,927 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,927 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,927 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,927 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,928 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,928 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,928 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,928 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,928 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,929 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,929 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:03,980 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-15 23:46:04,003 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 23:46:04,003 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-15 23:46:04,003 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 23:46:04,004 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 23:46:04,004 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 23:46:04,004 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 23:46:04,004 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 23:46:04,004 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 23:46:04,025 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 196 places, 204 transitions, 430 flow [2020-10-15 23:46:04,133 INFO L129 PetriNetUnfolder]: 14/204 cut-off events. [2020-10-15 23:46:04,133 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-15 23:46:04,150 INFO L80 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 204 events. 14/204 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 365 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 139. Up to 3 conditions per place. [2020-10-15 23:46:04,150 INFO L82 GeneralOperation]: Start removeDead. Operand has 196 places, 204 transitions, 430 flow [2020-10-15 23:46:04,168 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 185 places, 192 transitions, 396 flow [2020-10-15 23:46:04,170 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 23:46:04,172 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 185 places, 192 transitions, 396 flow [2020-10-15 23:46:04,175 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 185 places, 192 transitions, 396 flow [2020-10-15 23:46:04,175 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 185 places, 192 transitions, 396 flow [2020-10-15 23:46:04,254 INFO L129 PetriNetUnfolder]: 13/194 cut-off events. [2020-10-15 23:46:04,255 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-15 23:46:04,260 INFO L80 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 194 events. 13/194 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 293 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 139. Up to 3 conditions per place. [2020-10-15 23:46:04,269 INFO L117 LiptonReduction]: Number of co-enabled transitions 9440 [2020-10-15 23:46:07,585 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-10-15 23:46:08,606 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 113 [2020-10-15 23:46:08,922 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 23:46:10,270 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 144 DAG size of output: 138 [2020-10-15 23:46:10,745 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 23:46:11,975 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 152 DAG size of output: 147 [2020-10-15 23:46:12,727 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-15 23:46:12,748 INFO L132 LiptonReduction]: Checked pairs total: 21968 [2020-10-15 23:46:12,748 INFO L134 LiptonReduction]: Total number of compositions: 179 [2020-10-15 23:46:12,751 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8583 [2020-10-15 23:46:12,756 INFO L129 PetriNetUnfolder]: 0/1 cut-off events. [2020-10-15 23:46:12,757 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 23:46:12,757 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:12,758 INFO L255 CegarLoopForPetriNet]: trace histogram [1] [2020-10-15 23:46:12,758 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:12,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:12,764 INFO L82 PathProgramCache]: Analyzing trace with hash 804, now seen corresponding path program 1 times [2020-10-15 23:46:12,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:12,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53401637] [2020-10-15 23:46:12,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:12,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:12,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53401637] [2020-10-15 23:46:12,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:12,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-15 23:46:12,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838894363] [2020-10-15 23:46:12,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-15 23:46:12,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:12,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-15 23:46:12,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 23:46:12,920 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 383 [2020-10-15 23:46:12,923 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 49 transitions, 110 flow. Second operand 2 states. [2020-10-15 23:46:12,923 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:12,923 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 383 [2020-10-15 23:46:12,925 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:12,940 INFO L129 PetriNetUnfolder]: 7/50 cut-off events. [2020-10-15 23:46:12,940 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-15 23:46:12,941 INFO L80 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 50 events. 7/50 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 121 event pairs, 0 based on Foata normal form. 1/43 useless extension candidates. Maximal degree in co-relation 56. Up to 3 conditions per place. [2020-10-15 23:46:12,942 INFO L132 encePairwiseOnDemand]: 382/383 looper letters, 0 selfloop transitions, 0 changer transitions 0/48 dead transitions. [2020-10-15 23:46:12,942 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 48 transitions, 108 flow [2020-10-15 23:46:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-15 23:46:12,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-15 23:46:12,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 731 transitions. [2020-10-15 23:46:12,962 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9543080939947781 [2020-10-15 23:46:12,963 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 731 transitions. [2020-10-15 23:46:12,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 731 transitions. [2020-10-15 23:46:12,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:12,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 731 transitions. [2020-10-15 23:46:12,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-10-15 23:46:12,985 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 3 states. [2020-10-15 23:46:12,985 INFO L81 ComplementDD]: Finished complementDD. Result 3 states. [2020-10-15 23:46:12,988 INFO L185 Difference]: Start difference. First operand has 48 places, 49 transitions, 110 flow. Second operand 2 states and 731 transitions. [2020-10-15 23:46:12,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 48 transitions, 108 flow [2020-10-15 23:46:12,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 48 transitions, 100 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-15 23:46:12,995 INFO L241 Difference]: Finished difference. Result has 44 places, 48 transitions, 100 flow [2020-10-15 23:46:12,998 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=100, PETRI_PLACES=44, PETRI_TRANSITIONS=48} [2020-10-15 23:46:12,999 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, -4 predicate places. [2020-10-15 23:46:12,999 INFO L481 AbstractCegarLoop]: Abstraction has has 44 places, 48 transitions, 100 flow [2020-10-15 23:46:12,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-15 23:46:12,999 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:13,000 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:13,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 23:46:13,000 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:13,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:13,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1545279757, now seen corresponding path program 1 times [2020-10-15 23:46:13,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:13,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100267999] [2020-10-15 23:46:13,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:13,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:13,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100267999] [2020-10-15 23:46:13,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:13,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 23:46:13,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834793797] [2020-10-15 23:46:13,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:46:13,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:13,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:46:13,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:46:13,207 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 342 out of 383 [2020-10-15 23:46:13,208 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 48 transitions, 100 flow. Second operand 3 states. [2020-10-15 23:46:13,208 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:13,208 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 342 of 383 [2020-10-15 23:46:13,208 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:13,238 INFO L129 PetriNetUnfolder]: 6/67 cut-off events. [2020-10-15 23:46:13,238 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 23:46:13,238 INFO L80 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 67 events. 6/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 193 event pairs, 0 based on Foata normal form. 1/62 useless extension candidates. Maximal degree in co-relation 76. Up to 5 conditions per place. [2020-10-15 23:46:13,239 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 2 selfloop transitions, 2 changer transitions 4/49 dead transitions. [2020-10-15 23:46:13,239 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 49 transitions, 114 flow [2020-10-15 23:46:13,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:46:13,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-15 23:46:13,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1033 transitions. [2020-10-15 23:46:13,243 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8990426457789382 [2020-10-15 23:46:13,244 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1033 transitions. [2020-10-15 23:46:13,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1033 transitions. [2020-10-15 23:46:13,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:13,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1033 transitions. [2020-10-15 23:46:13,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-15 23:46:13,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-15 23:46:13,251 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-15 23:46:13,252 INFO L185 Difference]: Start difference. First operand has 44 places, 48 transitions, 100 flow. Second operand 3 states and 1033 transitions. [2020-10-15 23:46:13,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 49 transitions, 114 flow [2020-10-15 23:46:13,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 49 transitions, 114 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-15 23:46:13,254 INFO L241 Difference]: Finished difference. Result has 47 places, 45 transitions, 102 flow [2020-10-15 23:46:13,255 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=47, PETRI_TRANSITIONS=45} [2020-10-15 23:46:13,255 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, -1 predicate places. [2020-10-15 23:46:13,256 INFO L481 AbstractCegarLoop]: Abstraction has has 47 places, 45 transitions, 102 flow [2020-10-15 23:46:13,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 23:46:13,256 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:13,256 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:13,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 23:46:13,257 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:13,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:13,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1545688737, now seen corresponding path program 1 times [2020-10-15 23:46:13,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:13,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959310908] [2020-10-15 23:46:13,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:13,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:13,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959310908] [2020-10-15 23:46:13,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:13,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 23:46:13,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176728020] [2020-10-15 23:46:13,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:46:13,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:13,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:46:13,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:46:13,348 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 383 [2020-10-15 23:46:13,349 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 45 transitions, 102 flow. Second operand 3 states. [2020-10-15 23:46:13,349 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:13,349 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 383 [2020-10-15 23:46:13,349 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:13,381 INFO L129 PetriNetUnfolder]: 8/70 cut-off events. [2020-10-15 23:46:13,382 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 23:46:13,382 INFO L80 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 70 events. 8/70 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 201 event pairs, 1 based on Foata normal form. 3/64 useless extension candidates. Maximal degree in co-relation 89. Up to 6 conditions per place. [2020-10-15 23:46:13,383 INFO L132 encePairwiseOnDemand]: 378/383 looper letters, 1 selfloop transitions, 3 changer transitions 4/45 dead transitions. [2020-10-15 23:46:13,383 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 45 transitions, 114 flow [2020-10-15 23:46:13,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:46:13,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-15 23:46:13,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 999 transitions. [2020-10-15 23:46:13,387 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8694516971279374 [2020-10-15 23:46:13,387 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 999 transitions. [2020-10-15 23:46:13,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 999 transitions. [2020-10-15 23:46:13,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:13,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 999 transitions. [2020-10-15 23:46:13,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-15 23:46:13,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-15 23:46:13,393 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-15 23:46:13,393 INFO L185 Difference]: Start difference. First operand has 47 places, 45 transitions, 102 flow. Second operand 3 states and 999 transitions. [2020-10-15 23:46:13,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 45 transitions, 114 flow [2020-10-15 23:46:13,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 45 transitions, 110 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-15 23:46:13,395 INFO L241 Difference]: Finished difference. Result has 46 places, 41 transitions, 95 flow [2020-10-15 23:46:13,395 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=95, PETRI_PLACES=46, PETRI_TRANSITIONS=41} [2020-10-15 23:46:13,395 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, -2 predicate places. [2020-10-15 23:46:13,396 INFO L481 AbstractCegarLoop]: Abstraction has has 46 places, 41 transitions, 95 flow [2020-10-15 23:46:13,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 23:46:13,396 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:13,396 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:13,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 23:46:13,396 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:13,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:13,397 INFO L82 PathProgramCache]: Analyzing trace with hash 450998237, now seen corresponding path program 1 times [2020-10-15 23:46:13,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:13,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913095950] [2020-10-15 23:46:13,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:13,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:13,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913095950] [2020-10-15 23:46:13,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:13,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 23:46:13,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442538926] [2020-10-15 23:46:13,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:46:13,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:13,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:46:13,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:46:13,439 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-15 23:46:13,440 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 41 transitions, 95 flow. Second operand 3 states. [2020-10-15 23:46:13,440 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:13,440 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-15 23:46:13,440 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:13,463 INFO L129 PetriNetUnfolder]: 6/53 cut-off events. [2020-10-15 23:46:13,463 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 23:46:13,463 INFO L80 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 53 events. 6/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 71. Up to 9 conditions per place. [2020-10-15 23:46:13,464 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 7 selfloop transitions, 3 changer transitions 0/44 dead transitions. [2020-10-15 23:46:13,464 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 44 transitions, 121 flow [2020-10-15 23:46:13,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:46:13,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-15 23:46:13,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1040 transitions. [2020-10-15 23:46:13,468 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9051348999129678 [2020-10-15 23:46:13,468 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1040 transitions. [2020-10-15 23:46:13,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1040 transitions. [2020-10-15 23:46:13,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:13,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1040 transitions. [2020-10-15 23:46:13,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-15 23:46:13,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-15 23:46:13,474 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-15 23:46:13,474 INFO L185 Difference]: Start difference. First operand has 46 places, 41 transitions, 95 flow. Second operand 3 states and 1040 transitions. [2020-10-15 23:46:13,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 44 transitions, 121 flow [2020-10-15 23:46:13,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 44 transitions, 118 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-15 23:46:13,476 INFO L241 Difference]: Finished difference. Result has 45 places, 43 transitions, 111 flow [2020-10-15 23:46:13,477 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=111, PETRI_PLACES=45, PETRI_TRANSITIONS=43} [2020-10-15 23:46:13,477 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, -3 predicate places. [2020-10-15 23:46:13,477 INFO L481 AbstractCegarLoop]: Abstraction has has 45 places, 43 transitions, 111 flow [2020-10-15 23:46:13,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 23:46:13,477 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:13,477 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:13,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 23:46:13,478 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:13,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:13,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1008237711, now seen corresponding path program 1 times [2020-10-15 23:46:13,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:13,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729079439] [2020-10-15 23:46:13,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:13,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:13,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729079439] [2020-10-15 23:46:13,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368362209] [2020-10-15 23:46:13,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:13,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-15 23:46:13,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:46:13,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:13,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:46:13,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-10-15 23:46:13,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523117541] [2020-10-15 23:46:13,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 23:46:13,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:13,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 23:46:13,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-15 23:46:13,665 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-15 23:46:13,667 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 43 transitions, 111 flow. Second operand 5 states. [2020-10-15 23:46:13,667 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:13,667 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-15 23:46:13,667 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:13,705 INFO L129 PetriNetUnfolder]: 7/64 cut-off events. [2020-10-15 23:46:13,705 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-15 23:46:13,705 INFO L80 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 64 events. 7/64 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 1/59 useless extension candidates. Maximal degree in co-relation 92. Up to 9 conditions per place. [2020-10-15 23:46:13,706 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 8 selfloop transitions, 5 changer transitions 0/47 dead transitions. [2020-10-15 23:46:13,706 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 47 transitions, 149 flow [2020-10-15 23:46:13,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 23:46:13,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-15 23:46:13,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1386 transitions. [2020-10-15 23:46:13,711 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9046997389033943 [2020-10-15 23:46:13,711 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1386 transitions. [2020-10-15 23:46:13,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1386 transitions. [2020-10-15 23:46:13,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:13,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1386 transitions. [2020-10-15 23:46:13,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-10-15 23:46:13,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 5 states. [2020-10-15 23:46:13,718 INFO L81 ComplementDD]: Finished complementDD. Result 5 states. [2020-10-15 23:46:13,718 INFO L185 Difference]: Start difference. First operand has 45 places, 43 transitions, 111 flow. Second operand 4 states and 1386 transitions. [2020-10-15 23:46:13,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 47 transitions, 149 flow [2020-10-15 23:46:13,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 47 transitions, 146 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-15 23:46:13,721 INFO L241 Difference]: Finished difference. Result has 48 places, 45 transitions, 136 flow [2020-10-15 23:46:13,721 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=136, PETRI_PLACES=48, PETRI_TRANSITIONS=45} [2020-10-15 23:46:13,721 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 0 predicate places. [2020-10-15 23:46:13,721 INFO L481 AbstractCegarLoop]: Abstraction has has 48 places, 45 transitions, 136 flow [2020-10-15 23:46:13,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 23:46:13,721 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:13,722 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:13,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:13,937 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:13,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:13,937 INFO L82 PathProgramCache]: Analyzing trace with hash -2123611811, now seen corresponding path program 2 times [2020-10-15 23:46:13,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:13,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795863061] [2020-10-15 23:46:13,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:14,003 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:14,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795863061] [2020-10-15 23:46:14,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787527944] [2020-10-15 23:46:14,004 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:14,154 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-15 23:46:14,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 23:46:14,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-15 23:46:14,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:46:14,189 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:14,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:46:14,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-10-15 23:46:14,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371212706] [2020-10-15 23:46:14,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 23:46:14,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:14,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 23:46:14,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-15 23:46:14,195 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-15 23:46:14,197 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 45 transitions, 136 flow. Second operand 6 states. [2020-10-15 23:46:14,197 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:14,197 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-15 23:46:14,197 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:14,243 INFO L129 PetriNetUnfolder]: 8/75 cut-off events. [2020-10-15 23:46:14,244 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2020-10-15 23:46:14,244 INFO L80 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 75 events. 8/75 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 1/69 useless extension candidates. Maximal degree in co-relation 118. Up to 10 conditions per place. [2020-10-15 23:46:14,245 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 9 selfloop transitions, 7 changer transitions 0/50 dead transitions. [2020-10-15 23:46:14,245 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 50 transitions, 186 flow [2020-10-15 23:46:14,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 23:46:14,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-15 23:46:14,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1732 transitions. [2020-10-15 23:46:14,250 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9044386422976501 [2020-10-15 23:46:14,251 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1732 transitions. [2020-10-15 23:46:14,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1732 transitions. [2020-10-15 23:46:14,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:14,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1732 transitions. [2020-10-15 23:46:14,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-15 23:46:14,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-15 23:46:14,260 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-15 23:46:14,260 INFO L185 Difference]: Start difference. First operand has 48 places, 45 transitions, 136 flow. Second operand 5 states and 1732 transitions. [2020-10-15 23:46:14,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 50 transitions, 186 flow [2020-10-15 23:46:14,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 50 transitions, 176 flow, removed 2 selfloop flow, removed 2 redundant places. [2020-10-15 23:46:14,263 INFO L241 Difference]: Finished difference. Result has 51 places, 47 transitions, 162 flow [2020-10-15 23:46:14,264 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=162, PETRI_PLACES=51, PETRI_TRANSITIONS=47} [2020-10-15 23:46:14,264 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 3 predicate places. [2020-10-15 23:46:14,264 INFO L481 AbstractCegarLoop]: Abstraction has has 51 places, 47 transitions, 162 flow [2020-10-15 23:46:14,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 23:46:14,264 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:14,265 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:14,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:14,480 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:14,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:14,481 INFO L82 PathProgramCache]: Analyzing trace with hash 46198635, now seen corresponding path program 3 times [2020-10-15 23:46:14,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:14,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432515755] [2020-10-15 23:46:14,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:14,565 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:14,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432515755] [2020-10-15 23:46:14,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31895732] [2020-10-15 23:46:14,566 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:15,212 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-15 23:46:15,213 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 23:46:15,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-15 23:46:15,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:46:15,241 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:15,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:46:15,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-10-15 23:46:15,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969812763] [2020-10-15 23:46:15,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 23:46:15,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:15,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 23:46:15,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-15 23:46:15,246 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-15 23:46:15,248 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 47 transitions, 162 flow. Second operand 7 states. [2020-10-15 23:46:15,248 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:15,248 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-15 23:46:15,248 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:15,309 INFO L129 PetriNetUnfolder]: 9/86 cut-off events. [2020-10-15 23:46:15,309 INFO L130 PetriNetUnfolder]: For 61/61 co-relation queries the response was YES. [2020-10-15 23:46:15,309 INFO L80 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 86 events. 9/86 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 1/79 useless extension candidates. Maximal degree in co-relation 145. Up to 11 conditions per place. [2020-10-15 23:46:15,310 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 10 selfloop transitions, 9 changer transitions 0/53 dead transitions. [2020-10-15 23:46:15,310 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 53 transitions, 224 flow [2020-10-15 23:46:15,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 23:46:15,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-15 23:46:15,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2078 transitions. [2020-10-15 23:46:15,316 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9042645778938208 [2020-10-15 23:46:15,316 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2078 transitions. [2020-10-15 23:46:15,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2078 transitions. [2020-10-15 23:46:15,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:15,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2078 transitions. [2020-10-15 23:46:15,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-15 23:46:15,327 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-15 23:46:15,327 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-15 23:46:15,327 INFO L185 Difference]: Start difference. First operand has 51 places, 47 transitions, 162 flow. Second operand 6 states and 2078 transitions. [2020-10-15 23:46:15,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 53 transitions, 224 flow [2020-10-15 23:46:15,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 53 transitions, 206 flow, removed 4 selfloop flow, removed 3 redundant places. [2020-10-15 23:46:15,330 INFO L241 Difference]: Finished difference. Result has 54 places, 49 transitions, 188 flow [2020-10-15 23:46:15,331 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=188, PETRI_PLACES=54, PETRI_TRANSITIONS=49} [2020-10-15 23:46:15,331 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 6 predicate places. [2020-10-15 23:46:15,331 INFO L481 AbstractCegarLoop]: Abstraction has has 54 places, 49 transitions, 188 flow [2020-10-15 23:46:15,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 23:46:15,331 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:15,332 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:15,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:15,546 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:15,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:15,546 INFO L82 PathProgramCache]: Analyzing trace with hash -480628003, now seen corresponding path program 4 times [2020-10-15 23:46:15,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:15,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485857991] [2020-10-15 23:46:15,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:15,634 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:15,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485857991] [2020-10-15 23:46:15,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737229531] [2020-10-15 23:46:15,635 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:15,870 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-15 23:46:15,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 23:46:15,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-15 23:46:15,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:46:15,916 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:15,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:46:15,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2020-10-15 23:46:15,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008317067] [2020-10-15 23:46:15,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 23:46:15,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:15,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 23:46:15,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-10-15 23:46:15,928 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-15 23:46:15,931 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 49 transitions, 188 flow. Second operand 8 states. [2020-10-15 23:46:15,931 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:15,931 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-15 23:46:15,931 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:16,031 INFO L129 PetriNetUnfolder]: 10/97 cut-off events. [2020-10-15 23:46:16,031 INFO L130 PetriNetUnfolder]: For 97/97 co-relation queries the response was YES. [2020-10-15 23:46:16,032 INFO L80 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 97 events. 10/97 cut-off events. For 97/97 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 1/89 useless extension candidates. Maximal degree in co-relation 172. Up to 13 conditions per place. [2020-10-15 23:46:16,036 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 11 selfloop transitions, 11 changer transitions 0/56 dead transitions. [2020-10-15 23:46:16,036 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 56 transitions, 262 flow [2020-10-15 23:46:16,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 23:46:16,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-15 23:46:16,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2424 transitions. [2020-10-15 23:46:16,046 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9041402461767997 [2020-10-15 23:46:16,046 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2424 transitions. [2020-10-15 23:46:16,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2424 transitions. [2020-10-15 23:46:16,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:16,049 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2424 transitions. [2020-10-15 23:46:16,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-15 23:46:16,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-15 23:46:16,062 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-15 23:46:16,062 INFO L185 Difference]: Start difference. First operand has 54 places, 49 transitions, 188 flow. Second operand 7 states and 2424 transitions. [2020-10-15 23:46:16,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 56 transitions, 262 flow [2020-10-15 23:46:16,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 56 transitions, 236 flow, removed 6 selfloop flow, removed 4 redundant places. [2020-10-15 23:46:16,069 INFO L241 Difference]: Finished difference. Result has 57 places, 51 transitions, 214 flow [2020-10-15 23:46:16,069 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=214, PETRI_PLACES=57, PETRI_TRANSITIONS=51} [2020-10-15 23:46:16,070 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 9 predicate places. [2020-10-15 23:46:16,070 INFO L481 AbstractCegarLoop]: Abstraction has has 57 places, 51 transitions, 214 flow [2020-10-15 23:46:16,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 23:46:16,070 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:16,070 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:16,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:16,284 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:16,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:16,285 INFO L82 PathProgramCache]: Analyzing trace with hash -133673493, now seen corresponding path program 5 times [2020-10-15 23:46:16,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:16,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243026528] [2020-10-15 23:46:16,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:16,401 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:16,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243026528] [2020-10-15 23:46:16,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533444134] [2020-10-15 23:46:16,402 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:16,596 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-10-15 23:46:16,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 23:46:16,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 37 conjunts are in the unsatisfiable core [2020-10-15 23:46:16,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:46:16,667 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-15 23:46:16,667 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:16,671 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:16,671 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 23:46:16,671 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-10-15 23:46:16,719 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:16,719 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-10-15 23:46:16,720 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:16,755 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-10-15 23:46:16,758 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 23:46:16,764 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 23:46:16,765 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-10-15 23:46:16,836 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 23:46:16,869 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:16,870 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-10-15 23:46:16,871 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 23:46:16,873 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:16,879 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 23:46:16,895 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:16,896 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 23:46:16,897 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:16,985 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-10-15 23:46:16,989 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 23:46:16,989 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-15 23:46:17,028 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 23:46:17,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 23:46:17,043 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 23:46:17,044 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:17,051 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 23:46:17,051 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:17,080 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:17,081 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 23:46:17,082 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-15 23:46:17,158 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-10-15 23:46:17,160 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:17,169 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:17,170 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 23:46:17,170 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-10-15 23:46:17,266 INFO L721 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-15 23:46:17,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 23:46:17,379 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2020-10-15 23:46:17,380 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:17,403 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:17,424 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-10-15 23:46:17,424 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:103, output treesize:64 [2020-10-15 23:46:23,657 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 36 [2020-10-15 23:46:25,863 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 38 [2020-10-15 23:46:25,894 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:25,894 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 23:46:25,895 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:25,956 INFO L625 ElimStorePlain]: treesize reduction 30, result has 72.2 percent of original size [2020-10-15 23:46:25,967 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-10-15 23:46:25,968 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:88, output treesize:64 [2020-10-15 23:46:28,088 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 36 [2020-10-15 23:46:28,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 23:46:28,130 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 23:46:28,131 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:28,149 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:28,155 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-10-15 23:46:28,156 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:79, output treesize:64 [2020-10-15 23:46:28,211 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 63 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 23:46:28,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:46:28,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 18 [2020-10-15 23:46:28,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142366364] [2020-10-15 23:46:28,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-15 23:46:28,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:28,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-15 23:46:28,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=242, Unknown=2, NotChecked=0, Total=306 [2020-10-15 23:46:28,217 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 383 [2020-10-15 23:46:28,219 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 51 transitions, 214 flow. Second operand 18 states. [2020-10-15 23:46:28,219 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:28,219 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 383 [2020-10-15 23:46:28,219 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:47:14,160 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 52 [2020-10-15 23:47:39,062 WARN L193 SmtUtils]: Spent 8.27 s on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2020-10-15 23:48:14,128 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2020-10-15 23:48:42,902 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-10-15 23:49:51,891 WARN L193 SmtUtils]: Spent 7.38 s on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2020-10-15 23:50:16,517 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 51 [2020-10-15 23:50:43,494 WARN L193 SmtUtils]: Spent 8.34 s on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2020-10-15 23:51:32,322 WARN L193 SmtUtils]: Spent 7.68 s on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2020-10-15 23:52:13,271 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-10-15 23:53:04,278 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 51 [2020-10-15 23:53:33,113 WARN L193 SmtUtils]: Spent 8.19 s on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2020-10-15 23:54:10,128 WARN L193 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2020-10-15 23:54:44,885 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-10-15 23:55:54,362 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 52 [2020-10-15 23:56:25,323 WARN L193 SmtUtils]: Spent 8.19 s on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2020-10-15 23:57:06,399 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2020-10-15 23:57:43,186 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-10-15 23:59:07,017 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 50 [2020-10-15 23:59:37,747 WARN L193 SmtUtils]: Spent 8.23 s on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2020-10-16 00:00:22,784 WARN L193 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 62 DAG size of output: 59 Received shutdown request... [2020-10-16 00:00:47,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2020-10-16 00:00:47,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 00:00:47,466 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-16 00:00:47,471 WARN L235 ceAbstractionStarter]: Timeout [2020-10-16 00:00:47,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:00:47 BasicIcfg [2020-10-16 00:00:47,472 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 00:00:47,473 INFO L168 Benchmark]: Toolchain (without parser) took 885428.14 ms. Allocated memory was 250.6 MB in the beginning and 506.5 MB in the end (delta: 255.9 MB). Free memory was 203.9 MB in the beginning and 249.9 MB in the end (delta: -46.0 MB). Peak memory consumption was 209.9 MB. Max. memory is 14.2 GB. [2020-10-16 00:00:47,474 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 250.6 MB. Free memory is still 224.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 00:00:47,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 915.17 ms. Allocated memory was 250.6 MB in the beginning and 312.0 MB in the end (delta: 61.3 MB). Free memory was 203.9 MB in the beginning and 239.9 MB in the end (delta: -36.0 MB). Peak memory consumption was 35.4 MB. Max. memory is 14.2 GB. [2020-10-16 00:00:47,475 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.06 ms. Allocated memory is still 312.0 MB. Free memory was 239.9 MB in the beginning and 237.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 00:00:47,475 INFO L168 Benchmark]: Boogie Preprocessor took 43.20 ms. Allocated memory is still 312.0 MB. Free memory was 237.4 MB in the beginning and 234.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 00:00:47,482 INFO L168 Benchmark]: RCFGBuilder took 654.15 ms. Allocated memory is still 312.0 MB. Free memory was 234.8 MB in the beginning and 192.4 MB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 14.2 GB. [2020-10-16 00:00:47,482 INFO L168 Benchmark]: TraceAbstraction took 883700.85 ms. Allocated memory was 312.0 MB in the beginning and 506.5 MB in the end (delta: 194.5 MB). Free memory was 189.9 MB in the beginning and 249.9 MB in the end (delta: -60.0 MB). Peak memory consumption was 134.5 MB. Max. memory is 14.2 GB. [2020-10-16 00:00:47,485 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 250.6 MB. Free memory is still 224.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 915.17 ms. Allocated memory was 250.6 MB in the beginning and 312.0 MB in the end (delta: 61.3 MB). Free memory was 203.9 MB in the beginning and 239.9 MB in the end (delta: -36.0 MB). Peak memory consumption was 35.4 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 108.06 ms. Allocated memory is still 312.0 MB. Free memory was 239.9 MB in the beginning and 237.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 43.20 ms. Allocated memory is still 312.0 MB. Free memory was 237.4 MB in the beginning and 234.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 654.15 ms. Allocated memory is still 312.0 MB. Free memory was 234.8 MB in the beginning and 192.4 MB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 883700.85 ms. Allocated memory was 312.0 MB in the beginning and 506.5 MB in the end (delta: 194.5 MB). Free memory was 189.9 MB in the beginning and 249.9 MB in the end (delta: -60.0 MB). Peak memory consumption was 134.5 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 6269 VarBasedMoverChecksPositive, 137 VarBasedMoverChecksNegative, 13 SemBasedMoverChecksPositive, 124 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 511 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 8.5s, 185 PlacesBefore, 48 PlacesAfterwards, 192 TransitionsBefore, 49 TransitionsAfterwards, 9440 CoEnabledTransitionPairs, 8 FixpointIterations, 56 TrivialSequentialCompositions, 95 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 18 ConcurrentYvCompositions, 6 ChoiceCompositions, 179 TotalNumberOfCompositions, 21968 MoverChecksTotal - TimeoutResultAtElement [Line: 1030]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1030). Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 84 known predicates. - TimeoutResultAtElement [Line: 1014]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1014). Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 84 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 190 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 883.4s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 859.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.7s, HoareTripleCheckerStatistics: 40 SDtfs, 381 SDslu, 46 SDs, 0 SdLazy, 750 SolverSat, 227 SolverUnsat, 181 SolverUnknown, 0 SolverNotchecked, 363.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 364 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2612 ImplicationChecksByTransitivity, 490.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 12.2s InterpolantComputationTime, 465 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 451 ConstructedInterpolants, 5 QuantifiedInterpolants, 69945 SizeOfPredicates, 29 NumberOfNonLiveVariables, 1100 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 67/310 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown