/usr/bin/java -Xmx8000000000 -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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix057_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 23:01:45,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 23:01:45,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 23:01:45,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 23:01:45,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 23:01:45,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 23:01:45,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 23:01:45,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 23:01:45,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 23:01:45,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 23:01:45,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 23:01:45,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 23:01:45,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 23:01:45,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 23:01:45,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 23:01:45,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 23:01:45,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 23:01:45,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 23:01:45,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 23:01:45,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 23:01:45,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 23:01:45,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 23:01:45,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 23:01:45,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 23:01:45,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-21 23:01:45,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 23:01:45,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 23:01:45,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 23:01:45,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 23:01:45,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 23:01:45,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 23:01:45,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 23:01:45,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 23:01:45,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 23:01:45,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 23:01:45,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 23:01:45,751 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-21 23:01:45,773 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 23:01:45,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 23:01:45,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 23:01:45,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 23:01:45,775 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 23:01:45,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 23:01:45,775 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 23:01:45,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 23:01:45,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 23:01:45,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 23:01:45,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 23:01:45,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 23:01:45,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 23:01:45,777 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 23:01:45,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 23:01:45,777 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 23:01:45,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 23:01:45,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 23:01:45,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 23:01:45,778 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 23:01:45,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 23:01:45,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:01:45,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 23:01:45,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 23:01:45,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 23:01:45,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 23:01:45,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 23:01:45,779 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 23:01:45,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 23:01:46,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 23:01:46,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 23:01:46,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 23:01:46,138 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 23:01:46,139 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 23:01:46,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix057_pso.oepc.i [2020-10-21 23:01:46,220 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e66de7306/18ab39a03609471da1f9b767797afc06/FLAG87245ff5f [2020-10-21 23:01:46,767 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 23:01:46,767 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix057_pso.oepc.i [2020-10-21 23:01:46,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e66de7306/18ab39a03609471da1f9b767797afc06/FLAG87245ff5f [2020-10-21 23:01:47,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e66de7306/18ab39a03609471da1f9b767797afc06 [2020-10-21 23:01:47,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 23:01:47,128 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 23:01:47,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 23:01:47,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 23:01:47,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 23:01:47,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:01:47" (1/1) ... [2020-10-21 23:01:47,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28938549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:01:47, skipping insertion in model container [2020-10-21 23:01:47,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:01:47" (1/1) ... [2020-10-21 23:01:47,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 23:01:47,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 23:01:47,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:01:47,774 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 23:01:47,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:01:47,930 INFO L208 MainTranslator]: Completed translation [2020-10-21 23:01:47,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:01:47 WrapperNode [2020-10-21 23:01:47,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 23:01:47,932 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 23:01:47,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 23:01:47,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 23:01:47,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:01:47" (1/1) ... [2020-10-21 23:01:47,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:01:47" (1/1) ... [2020-10-21 23:01:47,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 23:01:48,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 23:01:48,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 23:01:48,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 23:01:48,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:01:47" (1/1) ... [2020-10-21 23:01:48,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:01:47" (1/1) ... [2020-10-21 23:01:48,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:01:47" (1/1) ... [2020-10-21 23:01:48,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:01:47" (1/1) ... [2020-10-21 23:01:48,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:01:47" (1/1) ... [2020-10-21 23:01:48,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:01:47" (1/1) ... [2020-10-21 23:01:48,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:01:47" (1/1) ... [2020-10-21 23:01:48,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 23:01:48,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 23:01:48,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 23:01:48,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 23:01:48,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:01:47" (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 [2020-10-21 23:01:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 23:01:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 23:01:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 23:01:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 23:01:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-21 23:01:48,128 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-21 23:01:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-21 23:01:48,128 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-21 23:01:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-21 23:01:48,129 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-21 23:01:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-21 23:01:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-21 23:01:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 23:01:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 23:01:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 23:01:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 23:01:48,133 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 23:01:50,460 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 23:01:50,460 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-21 23:01:50,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:01:50 BoogieIcfgContainer [2020-10-21 23:01:50,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 23:01:50,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 23:01:50,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 23:01:50,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 23:01:50,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 11:01:47" (1/3) ... [2020-10-21 23:01:50,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130f6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:01:50, skipping insertion in model container [2020-10-21 23:01:50,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:01:47" (2/3) ... [2020-10-21 23:01:50,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130f6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:01:50, skipping insertion in model container [2020-10-21 23:01:50,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:01:50" (3/3) ... [2020-10-21 23:01:50,474 INFO L111 eAbstractionObserver]: Analyzing ICFG mix057_pso.oepc.i [2020-10-21 23:01:50,488 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 23:01:50,488 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 23:01:50,498 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-21 23:01:50,499 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 23:01:50,537 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,538 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,538 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,538 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,539 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,540 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,540 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,540 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,540 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,540 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,542 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,542 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,542 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,542 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,543 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,543 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,543 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,544 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,544 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,544 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,544 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,545 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,545 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,545 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,545 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,546 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,546 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,546 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,547 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,547 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,547 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,547 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,547 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,548 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,548 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,548 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,548 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,548 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,549 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,549 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,549 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,549 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,549 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,550 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,550 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,550 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,550 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,550 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,550 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,551 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,551 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,551 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,551 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,551 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,551 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,552 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,552 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,552 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,552 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,552 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,552 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,553 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,553 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,553 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,553 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,553 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,553 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,553 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,554 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,554 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,554 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,554 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,554 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,554 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,555 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,555 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,555 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,555 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,555 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,555 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,556 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,556 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,557 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,558 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,558 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,558 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,558 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,558 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,559 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,559 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,559 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,563 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,564 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,565 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,567 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,567 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,567 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,567 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,567 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,568 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,568 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,568 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,568 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,569 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,569 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,569 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,569 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,569 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,570 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,570 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,570 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,573 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,575 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,575 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,577 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,577 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,580 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,581 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,581 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,581 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,581 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,582 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,582 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,582 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,582 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,582 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:01:50,584 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 23:01:50,599 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-21 23:01:50,624 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 23:01:50,624 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 23:01:50,624 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 23:01:50,625 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 23:01:50,625 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 23:01:50,625 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 23:01:50,625 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 23:01:50,625 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 23:01:50,640 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 23:01:50,641 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 118 transitions, 256 flow [2020-10-21 23:01:50,645 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 118 transitions, 256 flow [2020-10-21 23:01:50,648 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 128 places, 118 transitions, 256 flow [2020-10-21 23:01:50,701 INFO L129 PetriNetUnfolder]: 3/114 cut-off events. [2020-10-21 23:01:50,702 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 23:01:50,707 INFO L80 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 114 events. 3/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 95 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 80. Up to 2 conditions per place. [2020-10-21 23:01:50,711 INFO L116 LiptonReduction]: Number of co-enabled transitions 2904 [2020-10-21 23:01:51,183 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2020-10-21 23:01:51,522 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-21 23:01:51,656 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-21 23:01:52,743 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-21 23:01:52,878 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-21 23:01:53,409 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-10-21 23:01:53,721 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-21 23:01:53,823 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-21 23:01:54,341 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2020-10-21 23:01:54,619 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-21 23:01:54,635 INFO L131 LiptonReduction]: Checked pairs total: 8429 [2020-10-21 23:01:54,635 INFO L133 LiptonReduction]: Total number of compositions: 102 [2020-10-21 23:01:54,643 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 33 transitions, 86 flow [2020-10-21 23:01:55,079 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4124 states. [2020-10-21 23:01:55,081 INFO L276 IsEmpty]: Start isEmpty. Operand 4124 states. [2020-10-21 23:01:55,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-21 23:01:55,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:01:55,111 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-21 23:01:55,112 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:01:55,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:01:55,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1237875, now seen corresponding path program 1 times [2020-10-21 23:01:55,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:01:55,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695225819] [2020-10-21 23:01:55,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:01:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:01:55,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:01:55,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695225819] [2020-10-21 23:01:55,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:01:55,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:01:55,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927669034] [2020-10-21 23:01:55,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:01:55,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:01:55,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:01:55,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:01:55,404 INFO L87 Difference]: Start difference. First operand 4124 states. Second operand 3 states. [2020-10-21 23:01:55,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:01:55,531 INFO L93 Difference]: Finished difference Result 3437 states and 13500 transitions. [2020-10-21 23:01:55,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:01:55,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-21 23:01:55,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:01:55,578 INFO L225 Difference]: With dead ends: 3437 [2020-10-21 23:01:55,578 INFO L226 Difference]: Without dead ends: 2812 [2020-10-21 23:01:55,579 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:01:55,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2812 states. [2020-10-21 23:01:55,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2812 to 2812. [2020-10-21 23:01:55,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2812 states. [2020-10-21 23:01:55,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2812 states and 10875 transitions. [2020-10-21 23:01:55,781 INFO L78 Accepts]: Start accepts. Automaton has 2812 states and 10875 transitions. Word has length 3 [2020-10-21 23:01:55,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:01:55,782 INFO L481 AbstractCegarLoop]: Abstraction has 2812 states and 10875 transitions. [2020-10-21 23:01:55,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:01:55,782 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 10875 transitions. [2020-10-21 23:01:55,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 23:01:55,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:01:55,785 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:01:55,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 23:01:55,786 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:01:55,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:01:55,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1930772698, now seen corresponding path program 1 times [2020-10-21 23:01:55,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:01:55,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504393913] [2020-10-21 23:01:55,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:01:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:01:55,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:01:55,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504393913] [2020-10-21 23:01:55,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:01:55,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:01:55,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505586848] [2020-10-21 23:01:55,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:01:55,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:01:55,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:01:55,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:01:55,901 INFO L87 Difference]: Start difference. First operand 2812 states and 10875 transitions. Second operand 3 states. [2020-10-21 23:01:55,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:01:55,938 INFO L93 Difference]: Finished difference Result 2762 states and 10645 transitions. [2020-10-21 23:01:55,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:01:55,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-21 23:01:55,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:01:55,964 INFO L225 Difference]: With dead ends: 2762 [2020-10-21 23:01:55,964 INFO L226 Difference]: Without dead ends: 2762 [2020-10-21 23:01:55,965 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:01:55,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2762 states. [2020-10-21 23:01:56,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 2762. [2020-10-21 23:01:56,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2762 states. [2020-10-21 23:01:56,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 10645 transitions. [2020-10-21 23:01:56,077 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 10645 transitions. Word has length 11 [2020-10-21 23:01:56,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:01:56,078 INFO L481 AbstractCegarLoop]: Abstraction has 2762 states and 10645 transitions. [2020-10-21 23:01:56,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:01:56,078 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 10645 transitions. [2020-10-21 23:01:56,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-21 23:01:56,082 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:01:56,082 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:01:56,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 23:01:56,083 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:01:56,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:01:56,083 INFO L82 PathProgramCache]: Analyzing trace with hash 275587946, now seen corresponding path program 1 times [2020-10-21 23:01:56,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:01:56,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534013740] [2020-10-21 23:01:56,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:01:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:01:56,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:01:56,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534013740] [2020-10-21 23:01:56,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:01:56,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:01:56,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556913621] [2020-10-21 23:01:56,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:01:56,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:01:56,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:01:56,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:01:56,138 INFO L87 Difference]: Start difference. First operand 2762 states and 10645 transitions. Second operand 3 states. [2020-10-21 23:01:56,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:01:56,177 INFO L93 Difference]: Finished difference Result 2722 states and 10463 transitions. [2020-10-21 23:01:56,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:01:56,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-21 23:01:56,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:01:56,203 INFO L225 Difference]: With dead ends: 2722 [2020-10-21 23:01:56,203 INFO L226 Difference]: Without dead ends: 2722 [2020-10-21 23:01:56,204 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:01:56,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2722 states. [2020-10-21 23:01:56,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2722 to 2722. [2020-10-21 23:01:56,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2722 states. [2020-10-21 23:01:56,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 10463 transitions. [2020-10-21 23:01:56,388 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 10463 transitions. Word has length 12 [2020-10-21 23:01:56,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:01:56,389 INFO L481 AbstractCegarLoop]: Abstraction has 2722 states and 10463 transitions. [2020-10-21 23:01:56,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:01:56,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 10463 transitions. [2020-10-21 23:01:56,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 23:01:56,394 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:01:56,394 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:01:56,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 23:01:56,395 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:01:56,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:01:56,395 INFO L82 PathProgramCache]: Analyzing trace with hash -50680639, now seen corresponding path program 1 times [2020-10-21 23:01:56,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:01:56,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822016682] [2020-10-21 23:01:56,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:01:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:01:56,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:01:56,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822016682] [2020-10-21 23:01:56,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:01:56,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 23:01:56,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856528715] [2020-10-21 23:01:56,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:01:56,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:01:56,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:01:56,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:01:56,488 INFO L87 Difference]: Start difference. First operand 2722 states and 10463 transitions. Second operand 3 states. [2020-10-21 23:01:56,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:01:56,519 INFO L93 Difference]: Finished difference Result 2684 states and 10291 transitions. [2020-10-21 23:01:56,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:01:56,520 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-21 23:01:56,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:01:56,544 INFO L225 Difference]: With dead ends: 2684 [2020-10-21 23:01:56,544 INFO L226 Difference]: Without dead ends: 2684 [2020-10-21 23:01:56,545 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:01:56,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2684 states. [2020-10-21 23:01:56,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2684 to 2684. [2020-10-21 23:01:56,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2684 states. [2020-10-21 23:01:56,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 2684 states and 10291 transitions. [2020-10-21 23:01:56,637 INFO L78 Accepts]: Start accepts. Automaton has 2684 states and 10291 transitions. Word has length 13 [2020-10-21 23:01:56,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:01:56,638 INFO L481 AbstractCegarLoop]: Abstraction has 2684 states and 10291 transitions. [2020-10-21 23:01:56,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:01:56,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2684 states and 10291 transitions. [2020-10-21 23:01:56,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 23:01:56,641 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:01:56,641 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:01:56,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 23:01:56,642 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:01:56,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:01:56,642 INFO L82 PathProgramCache]: Analyzing trace with hash 2139129395, now seen corresponding path program 1 times [2020-10-21 23:01:56,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:01:56,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223632711] [2020-10-21 23:01:56,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:01:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:01:56,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:01:56,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223632711] [2020-10-21 23:01:56,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:01:56,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:01:56,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625706902] [2020-10-21 23:01:56,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:01:56,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:01:56,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:01:56,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:01:56,683 INFO L87 Difference]: Start difference. First operand 2684 states and 10291 transitions. Second operand 3 states. [2020-10-21 23:01:56,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:01:56,727 INFO L93 Difference]: Finished difference Result 3929 states and 14592 transitions. [2020-10-21 23:01:56,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:01:56,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-10-21 23:01:56,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:01:56,754 INFO L225 Difference]: With dead ends: 3929 [2020-10-21 23:01:56,755 INFO L226 Difference]: Without dead ends: 2909 [2020-10-21 23:01:56,755 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:01:56,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2909 states. [2020-10-21 23:01:56,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2909 to 2624. [2020-10-21 23:01:56,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2624 states. [2020-10-21 23:01:56,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2624 states and 9698 transitions. [2020-10-21 23:01:56,848 INFO L78 Accepts]: Start accepts. Automaton has 2624 states and 9698 transitions. Word has length 14 [2020-10-21 23:01:56,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:01:56,848 INFO L481 AbstractCegarLoop]: Abstraction has 2624 states and 9698 transitions. [2020-10-21 23:01:56,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:01:56,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 9698 transitions. [2020-10-21 23:01:56,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 23:01:56,851 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:01:56,851 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:01:56,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 23:01:56,852 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:01:56,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:01:56,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1923157349, now seen corresponding path program 1 times [2020-10-21 23:01:56,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:01:56,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681768283] [2020-10-21 23:01:56,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:01:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:01:56,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:01:56,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681768283] [2020-10-21 23:01:56,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:01:56,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:01:56,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061271027] [2020-10-21 23:01:56,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:01:56,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:01:56,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:01:56,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:01:56,911 INFO L87 Difference]: Start difference. First operand 2624 states and 9698 transitions. Second operand 4 states. [2020-10-21 23:01:56,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:01:56,964 INFO L93 Difference]: Finished difference Result 2583 states and 8620 transitions. [2020-10-21 23:01:56,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 23:01:56,965 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-21 23:01:56,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:01:56,973 INFO L225 Difference]: With dead ends: 2583 [2020-10-21 23:01:56,973 INFO L226 Difference]: Without dead ends: 1958 [2020-10-21 23:01:56,973 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:01:56,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1958 states. [2020-10-21 23:01:57,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1958 to 1958. [2020-10-21 23:01:57,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1958 states. [2020-10-21 23:01:57,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1958 states to 1958 states and 6464 transitions. [2020-10-21 23:01:57,032 INFO L78 Accepts]: Start accepts. Automaton has 1958 states and 6464 transitions. Word has length 14 [2020-10-21 23:01:57,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:01:57,032 INFO L481 AbstractCegarLoop]: Abstraction has 1958 states and 6464 transitions. [2020-10-21 23:01:57,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:01:57,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1958 states and 6464 transitions. [2020-10-21 23:01:57,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-21 23:01:57,035 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:01:57,035 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:01:57,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 23:01:57,036 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:01:57,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:01:57,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1856261732, now seen corresponding path program 1 times [2020-10-21 23:01:57,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:01:57,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156800736] [2020-10-21 23:01:57,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:01:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:01:57,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:01:57,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156800736] [2020-10-21 23:01:57,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:01:57,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:01:57,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336179495] [2020-10-21 23:01:57,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:01:57,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:01:57,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:01:57,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:01:57,083 INFO L87 Difference]: Start difference. First operand 1958 states and 6464 transitions. Second operand 3 states. [2020-10-21 23:01:57,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:01:57,116 INFO L93 Difference]: Finished difference Result 2775 states and 8896 transitions. [2020-10-21 23:01:57,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:01:57,117 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-21 23:01:57,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:01:57,124 INFO L225 Difference]: With dead ends: 2775 [2020-10-21 23:01:57,124 INFO L226 Difference]: Without dead ends: 2067 [2020-10-21 23:01:57,126 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:01:57,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2067 states. [2020-10-21 23:01:57,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2067 to 1917. [2020-10-21 23:01:57,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1917 states. [2020-10-21 23:01:57,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1917 states and 6108 transitions. [2020-10-21 23:01:57,191 INFO L78 Accepts]: Start accepts. Automaton has 1917 states and 6108 transitions. Word has length 16 [2020-10-21 23:01:57,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:01:57,191 INFO L481 AbstractCegarLoop]: Abstraction has 1917 states and 6108 transitions. [2020-10-21 23:01:57,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:01:57,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 6108 transitions. [2020-10-21 23:01:57,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-21 23:01:57,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:01:57,197 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:01:57,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 23:01:57,198 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:01:57,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:01:57,198 INFO L82 PathProgramCache]: Analyzing trace with hash -418553623, now seen corresponding path program 1 times [2020-10-21 23:01:57,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:01:57,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543046350] [2020-10-21 23:01:57,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:01:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:01:57,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:01:57,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543046350] [2020-10-21 23:01:57,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:01:57,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:01:57,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876322884] [2020-10-21 23:01:57,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:01:57,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:01:57,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:01:57,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:01:57,352 INFO L87 Difference]: Start difference. First operand 1917 states and 6108 transitions. Second operand 3 states. [2020-10-21 23:01:57,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:01:57,376 INFO L93 Difference]: Finished difference Result 2850 states and 8796 transitions. [2020-10-21 23:01:57,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:01:57,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-21 23:01:57,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:01:57,384 INFO L225 Difference]: With dead ends: 2850 [2020-10-21 23:01:57,384 INFO L226 Difference]: Without dead ends: 1998 [2020-10-21 23:01:57,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:01:57,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1998 states. [2020-10-21 23:01:57,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1998 to 1887. [2020-10-21 23:01:57,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1887 states. [2020-10-21 23:01:57,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 5746 transitions. [2020-10-21 23:01:57,439 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 5746 transitions. Word has length 17 [2020-10-21 23:01:57,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:01:57,440 INFO L481 AbstractCegarLoop]: Abstraction has 1887 states and 5746 transitions. [2020-10-21 23:01:57,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:01:57,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 5746 transitions. [2020-10-21 23:01:57,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-21 23:01:57,443 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:01:57,444 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:01:57,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 23:01:57,444 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:01:57,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:01:57,444 INFO L82 PathProgramCache]: Analyzing trace with hash 745167850, now seen corresponding path program 1 times [2020-10-21 23:01:57,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:01:57,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797396405] [2020-10-21 23:01:57,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:01:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:01:57,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:01:57,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797396405] [2020-10-21 23:01:57,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:01:57,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 23:01:57,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927676579] [2020-10-21 23:01:57,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 23:01:57,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:01:57,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 23:01:57,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:01:57,511 INFO L87 Difference]: Start difference. First operand 1887 states and 5746 transitions. Second operand 5 states. [2020-10-21 23:01:57,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:01:57,567 INFO L93 Difference]: Finished difference Result 1609 states and 4474 transitions. [2020-10-21 23:01:57,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:01:57,568 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-21 23:01:57,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:01:57,571 INFO L225 Difference]: With dead ends: 1609 [2020-10-21 23:01:57,572 INFO L226 Difference]: Without dead ends: 1232 [2020-10-21 23:01:57,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:01:57,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2020-10-21 23:01:57,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 1232. [2020-10-21 23:01:57,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1232 states. [2020-10-21 23:01:57,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 3370 transitions. [2020-10-21 23:01:57,603 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 3370 transitions. Word has length 17 [2020-10-21 23:01:57,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:01:57,603 INFO L481 AbstractCegarLoop]: Abstraction has 1232 states and 3370 transitions. [2020-10-21 23:01:57,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 23:01:57,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 3370 transitions. [2020-10-21 23:01:57,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-21 23:01:57,607 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:01:57,607 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:01:57,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 23:01:57,607 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:01:57,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:01:57,608 INFO L82 PathProgramCache]: Analyzing trace with hash -461932162, now seen corresponding path program 1 times [2020-10-21 23:01:57,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:01:57,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138446143] [2020-10-21 23:01:57,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:01:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:01:57,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:01:57,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138446143] [2020-10-21 23:01:57,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:01:57,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 23:01:57,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083721569] [2020-10-21 23:01:57,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 23:01:57,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:01:57,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 23:01:57,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:01:57,729 INFO L87 Difference]: Start difference. First operand 1232 states and 3370 transitions. Second operand 6 states. [2020-10-21 23:01:57,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:01:57,808 INFO L93 Difference]: Finished difference Result 1090 states and 2939 transitions. [2020-10-21 23:01:57,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 23:01:57,809 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-10-21 23:01:57,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:01:57,812 INFO L225 Difference]: With dead ends: 1090 [2020-10-21 23:01:57,812 INFO L226 Difference]: Without dead ends: 841 [2020-10-21 23:01:57,812 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-21 23:01:57,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2020-10-21 23:01:57,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 841. [2020-10-21 23:01:57,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 841 states. [2020-10-21 23:01:57,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 2263 transitions. [2020-10-21 23:01:57,833 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 2263 transitions. Word has length 20 [2020-10-21 23:01:57,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:01:57,833 INFO L481 AbstractCegarLoop]: Abstraction has 841 states and 2263 transitions. [2020-10-21 23:01:57,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 23:01:57,833 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 2263 transitions. [2020-10-21 23:01:57,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-21 23:01:57,836 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:01:57,836 INFO L422 BasicCegarLoop]: 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] [2020-10-21 23:01:57,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 23:01:57,836 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:01:57,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:01:57,837 INFO L82 PathProgramCache]: Analyzing trace with hash 843352940, now seen corresponding path program 1 times [2020-10-21 23:01:57,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:01:57,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782804989] [2020-10-21 23:01:57,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:01:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:01:57,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:01:57,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782804989] [2020-10-21 23:01:57,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:01:57,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-21 23:01:57,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949627047] [2020-10-21 23:01:57,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 23:01:57,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:01:57,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 23:01:57,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:01:57,970 INFO L87 Difference]: Start difference. First operand 841 states and 2263 transitions. Second operand 7 states. [2020-10-21 23:01:58,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:01:58,072 INFO L93 Difference]: Finished difference Result 813 states and 2208 transitions. [2020-10-21 23:01:58,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 23:01:58,073 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-10-21 23:01:58,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:01:58,074 INFO L225 Difference]: With dead ends: 813 [2020-10-21 23:01:58,074 INFO L226 Difference]: Without dead ends: 316 [2020-10-21 23:01:58,075 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2020-10-21 23:01:58,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2020-10-21 23:01:58,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2020-10-21 23:01:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-10-21 23:01:58,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 859 transitions. [2020-10-21 23:01:58,086 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 859 transitions. Word has length 23 [2020-10-21 23:01:58,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:01:58,087 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 859 transitions. [2020-10-21 23:01:58,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 23:01:58,087 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 859 transitions. [2020-10-21 23:01:58,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-21 23:01:58,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:01:58,089 INFO L422 BasicCegarLoop]: 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] [2020-10-21 23:01:58,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-21 23:01:58,089 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:01:58,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:01:58,089 INFO L82 PathProgramCache]: Analyzing trace with hash -250076332, now seen corresponding path program 1 times [2020-10-21 23:01:58,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:01:58,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683095235] [2020-10-21 23:01:58,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:01:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:01:58,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:01:58,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683095235] [2020-10-21 23:01:58,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:01:58,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 23:01:58,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266725990] [2020-10-21 23:01:58,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-21 23:01:58,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:01:58,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-21 23:01:58,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:01:58,354 INFO L87 Difference]: Start difference. First operand 316 states and 859 transitions. Second operand 7 states. [2020-10-21 23:01:58,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:01:58,518 INFO L93 Difference]: Finished difference Result 424 states and 1136 transitions. [2020-10-21 23:01:58,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 23:01:58,519 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-10-21 23:01:58,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:01:58,521 INFO L225 Difference]: With dead ends: 424 [2020-10-21 23:01:58,521 INFO L226 Difference]: Without dead ends: 364 [2020-10-21 23:01:58,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-21 23:01:58,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-10-21 23:01:58,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2020-10-21 23:01:58,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-10-21 23:01:58,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 981 transitions. [2020-10-21 23:01:58,532 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 981 transitions. Word has length 27 [2020-10-21 23:01:58,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:01:58,533 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 981 transitions. [2020-10-21 23:01:58,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-21 23:01:58,533 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 981 transitions. [2020-10-21 23:01:58,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-21 23:01:58,534 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:01:58,535 INFO L422 BasicCegarLoop]: 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] [2020-10-21 23:01:58,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-21 23:01:58,535 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:01:58,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:01:58,535 INFO L82 PathProgramCache]: Analyzing trace with hash -919525888, now seen corresponding path program 2 times [2020-10-21 23:01:58,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:01:58,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5830095] [2020-10-21 23:01:58,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:01:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:01:58,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:01:58,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5830095] [2020-10-21 23:01:58,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:01:58,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-21 23:01:58,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260975971] [2020-10-21 23:01:58,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-21 23:01:58,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:01:58,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-21 23:01:58,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-21 23:01:58,734 INFO L87 Difference]: Start difference. First operand 364 states and 981 transitions. Second operand 8 states. [2020-10-21 23:01:58,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:01:58,899 INFO L93 Difference]: Finished difference Result 442 states and 1167 transitions. [2020-10-21 23:01:58,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 23:01:58,900 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2020-10-21 23:01:58,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:01:58,902 INFO L225 Difference]: With dead ends: 442 [2020-10-21 23:01:58,903 INFO L226 Difference]: Without dead ends: 316 [2020-10-21 23:01:58,903 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-21 23:01:58,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2020-10-21 23:01:58,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2020-10-21 23:01:58,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-10-21 23:01:58,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 813 transitions. [2020-10-21 23:01:58,913 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 813 transitions. Word has length 27 [2020-10-21 23:01:58,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:01:58,914 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 813 transitions. [2020-10-21 23:01:58,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-21 23:01:58,914 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 813 transitions. [2020-10-21 23:01:58,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-21 23:01:58,916 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:01:58,916 INFO L422 BasicCegarLoop]: 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] [2020-10-21 23:01:58,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-21 23:01:58,916 INFO L429 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:01:58,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:01:58,917 INFO L82 PathProgramCache]: Analyzing trace with hash 807341924, now seen corresponding path program 3 times [2020-10-21 23:01:58,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:01:58,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367199276] [2020-10-21 23:01:58,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:01:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:01:59,044 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:01:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 23:01:59,100 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 23:01:59,143 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 23:01:59,143 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 23:01:59,143 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-21 23:01:59,144 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-21 23:01:59,165 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1202] [1202] L867-->L875: Formula: (let ((.cse7 (= (mod ~a$r_buff0_thd0~0_In988309159 256) 0)) (.cse6 (= (mod ~a$w_buff0_used~0_In988309159 256) 0)) (.cse8 (= (mod ~a$w_buff1_used~0_In988309159 256) 0)) (.cse9 (= (mod ~a$r_buff1_thd0~0_In988309159 256) 0))) (let ((.cse0 (or .cse8 .cse9)) (.cse1 (not .cse9)) (.cse2 (not .cse8)) (.cse4 (not .cse6)) (.cse5 (not .cse7)) (.cse3 (or .cse6 .cse7))) (and (or (and (or (and .cse0 (= ~a~0_In988309159 ~a~0_Out988309159)) (and (= ~a~0_Out988309159 ~a$w_buff1~0_In988309159) .cse1 .cse2)) .cse3) (and .cse4 (= ~a~0_Out988309159 ~a$w_buff0~0_In988309159) .cse5)) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out988309159 0)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond_Out988309159| ULTIMATE.start_assume_abort_if_not_~cond_Out988309159) (or (and .cse0 (= ~a$w_buff1_used~0_Out988309159 ~a$w_buff1_used~0_In988309159)) (and .cse1 (= ~a$w_buff1_used~0_Out988309159 0) .cse2)) (= |ULTIMATE.start_assume_abort_if_not_#in~cond_Out988309159| (mod ~main$tmp_guard0~0_In988309159 256)) (= ~a$r_buff0_thd0~0_In988309159 ~a$r_buff0_thd0~0_Out988309159) (= ~a$r_buff1_thd0~0_In988309159 ~a$r_buff1_thd0~0_Out988309159) (or (and (= ~a$w_buff0_used~0_Out988309159 0) .cse4 .cse5) (and (= ~a$w_buff0_used~0_Out988309159 ~a$w_buff0_used~0_In988309159) .cse3))))) InVars {~a~0=~a~0_In988309159, ~a$w_buff1~0=~a$w_buff1~0_In988309159, ~a$w_buff0~0=~a$w_buff0~0_In988309159, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_In988309159, ~a$w_buff0_used~0=~a$w_buff0_used~0_In988309159, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_In988309159, ~a$w_buff1_used~0=~a$w_buff1_used~0_In988309159, ~main$tmp_guard0~0=~main$tmp_guard0~0_In988309159} OutVars{ULTIMATE.start_main_#t~ite58=|ULTIMATE.start_main_#t~ite58_Out988309159|, ~a$w_buff0_used~0=~a$w_buff0_used~0_Out988309159, ULTIMATE.start_main_#t~ite57=|ULTIMATE.start_main_#t~ite57_Out988309159|, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_Out988309159, ULTIMATE.start_main_#t~ite59=|ULTIMATE.start_main_#t~ite59_Out988309159|, ~main$tmp_guard0~0=~main$tmp_guard0~0_In988309159, ULTIMATE.start_main_#t~ite56=|ULTIMATE.start_main_#t~ite56_Out988309159|, ~a~0=~a~0_Out988309159, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_Out988309159|, ULTIMATE.start_main_#t~ite60=|ULTIMATE.start_main_#t~ite60_Out988309159|, ULTIMATE.start_main_#t~ite61=|ULTIMATE.start_main_#t~ite61_Out988309159|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out988309159, ~a$w_buff1~0=~a$w_buff1~0_In988309159, ~a$w_buff0~0=~a$w_buff0~0_In988309159, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_Out988309159, ~a$w_buff1_used~0=~a$w_buff1_used~0_Out988309159} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite58, ~a$w_buff0_used~0, ULTIMATE.start_main_#t~ite57, ~a$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite59, ULTIMATE.start_main_#t~ite56, ~a~0, ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_main_#t~ite60, ULTIMATE.start_main_#t~ite61, ULTIMATE.start_assume_abort_if_not_~cond, ~a$r_buff1_thd0~0, ~a$w_buff1_used~0] because there is no mapped edge [2020-10-21 23:01:59,171 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,172 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [745] [2020-10-21 23:01:59,173 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,174 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,174 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,174 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,174 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,174 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,175 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,175 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,175 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,175 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,175 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,176 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,178 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,178 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,178 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,178 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,179 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,179 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,179 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,179 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,179 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,180 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,180 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,180 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,180 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,180 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,181 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,181 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,181 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,181 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,181 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,181 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,182 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,182 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,182 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,182 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,183 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,183 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,183 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,183 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,183 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,183 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,184 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,184 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,184 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,184 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,185 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,185 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,185 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,185 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,185 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,186 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,186 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,186 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,187 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,187 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,187 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,187 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,187 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,187 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,187 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,188 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,188 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,188 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,188 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 23:01:59,188 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 23:01:59,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 11:01:59 BasicIcfg [2020-10-21 23:01:59,271 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 23:01:59,273 INFO L168 Benchmark]: Toolchain (without parser) took 12150.21 ms. Allocated memory was 138.9 MB in the beginning and 419.4 MB in the end (delta: 280.5 MB). Free memory was 100.5 MB in the beginning and 295.4 MB in the end (delta: -194.9 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2020-10-21 23:01:59,274 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-21 23:01:59,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.74 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 99.4 MB in the beginning and 149.3 MB in the end (delta: -49.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2020-10-21 23:01:59,275 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.65 ms. Allocated memory is still 198.7 MB. Free memory was 149.3 MB in the beginning and 146.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-10-21 23:01:59,276 INFO L168 Benchmark]: Boogie Preprocessor took 44.02 ms. Allocated memory is still 198.7 MB. Free memory was 146.0 MB in the beginning and 143.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-21 23:01:59,279 INFO L168 Benchmark]: RCFGBuilder took 2419.61 ms. Allocated memory was 198.7 MB in the beginning and 251.7 MB in the end (delta: 53.0 MB). Free memory was 143.3 MB in the beginning and 140.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 101.2 MB. Max. memory is 7.1 GB. [2020-10-21 23:01:59,279 INFO L168 Benchmark]: TraceAbstraction took 8806.30 ms. Allocated memory was 251.7 MB in the beginning and 419.4 MB in the end (delta: 167.8 MB). Free memory was 138.1 MB in the beginning and 295.4 MB in the end (delta: -157.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2020-10-21 23:01:59,287 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 801.74 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 99.4 MB in the beginning and 149.3 MB in the end (delta: -49.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 67.65 ms. Allocated memory is still 198.7 MB. Free memory was 149.3 MB in the beginning and 146.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.02 ms. Allocated memory is still 198.7 MB. Free memory was 146.0 MB in the beginning and 143.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2419.61 ms. Allocated memory was 198.7 MB in the beginning and 251.7 MB in the end (delta: 53.0 MB). Free memory was 143.3 MB in the beginning and 140.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 101.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8806.30 ms. Allocated memory was 251.7 MB in the beginning and 419.4 MB in the end (delta: 167.8 MB). Free memory was 138.1 MB in the beginning and 295.4 MB in the end (delta: -157.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1523 VarBasedMoverChecksPositive, 57 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 122 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.9s, 128 PlacesBefore, 46 PlacesAfterwards, 118 TransitionsBefore, 33 TransitionsAfterwards, 2904 CoEnabledTransitionPairs, 7 FixpointIterations, 38 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 3 ChoiceCompositions, 102 TotalNumberOfCompositions, 8429 MoverChecksTotal - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p3_EAX = 0; [L714] 0 int a = 0; [L715] 0 _Bool a$flush_delayed; [L716] 0 int a$mem_tmp; [L717] 0 _Bool a$r_buff0_thd0; [L718] 0 _Bool a$r_buff0_thd1; [L719] 0 _Bool a$r_buff0_thd2; [L720] 0 _Bool a$r_buff0_thd3; [L721] 0 _Bool a$r_buff0_thd4; [L722] 0 _Bool a$r_buff1_thd0; [L723] 0 _Bool a$r_buff1_thd1; [L724] 0 _Bool a$r_buff1_thd2; [L725] 0 _Bool a$r_buff1_thd3; [L726] 0 _Bool a$r_buff1_thd4; [L727] 0 _Bool a$read_delayed; [L728] 0 int *a$read_delayed_var; [L729] 0 int a$w_buff0; [L730] 0 _Bool a$w_buff0_used; [L731] 0 int a$w_buff1; [L732] 0 _Bool a$w_buff1_used; [L733] 0 _Bool main$tmp_guard0; [L734] 0 _Bool main$tmp_guard1; [L736] 0 int x = 0; [L738] 0 int y = 0; [L740] 0 int z = 0; [L741] 0 _Bool weak$$choice0; [L742] 0 _Bool weak$$choice2; [L857] 0 pthread_t t1521; [L858] FCALL, FORK 0 pthread_create(&t1521, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L859] 0 pthread_t t1522; [L746] 1 a$w_buff1 = a$w_buff0 [L747] 1 a$w_buff0 = 1 [L748] 1 a$w_buff1_used = a$w_buff0_used [L749] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L751] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L752] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L753] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L754] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L755] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L756] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L860] FCALL, FORK 0 pthread_create(&t1522, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L759] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L776] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L779] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L782] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L782] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L782] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L782] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L783] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L783] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L784] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L784] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L785] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L785] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L786] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L786] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L789] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L791] 2 return 0; [L861] 0 pthread_t t1523; [L862] FCALL, FORK 0 pthread_create(&t1523, ((void *)0), P2, ((void *)0)) VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L863] 0 pthread_t t1524; [L864] FCALL, FORK 0 pthread_create(&t1524, ((void *)0), P3, ((void *)0)) VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L796] 3 y = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L799] 3 z = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1] [L816] 4 z = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=2] [L819] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L820] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L821] 4 a$flush_delayed = weak$$choice2 [L822] 4 a$mem_tmp = a [L823] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L823] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L824] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L824] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0) [L824] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L824] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L825] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L825] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L826] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L826] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L827] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L827] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L828] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L828] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L829] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L829] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L829] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L829] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L830] 4 __unbuffered_p3_EAX = a [L831] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L831] 4 a = a$flush_delayed ? a$mem_tmp : a [L832] 4 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=2] [L835] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L835] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L836] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L836] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L837] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L837] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L838] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L838] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L839] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L839] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L842] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L844] 4 return 0; [L802] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L802] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L802] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L802] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L803] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L803] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L804] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L804] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L805] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L805] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L806] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L806] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L809] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L811] 3 return 0; [L762] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L762] EXPR 1 a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a [L762] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L762] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L763] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L763] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L764] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L764] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L765] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L765] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L766] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L766] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L769] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L771] 1 return 0; [L866] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=2] [L877] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 0) [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "mix057_pso.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 116 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.5s, OverallIterations: 14, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.4s, HoareTripleCheckerStatistics: 413 SDtfs, 647 SDslu, 576 SDs, 0 SdLazy, 207 SolverSat, 110 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4124occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 13 MinimizatonAttempts, 546 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 241 NumberOfCodeBlocks, 241 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 20939 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 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 proved your program to be incorrect! Received shutdown request...