/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/mix055_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:04:42,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:04:42,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:04:42,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:04:42,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:04:42,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:04:42,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:04:42,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:04:42,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:04:42,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:04:42,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:04:42,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:04:42,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:04:42,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:04:42,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:04:42,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:04:42,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:04:42,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:04:42,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:04:42,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:04:42,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:04:42,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:04:42,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:04:42,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:04:42,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:04:42,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:04:42,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:04:42,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:04:42,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:04:42,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:04:42,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:04:42,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:04:42,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:04:42,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:04:42,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:04:42,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:04:42,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:04:42,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:04:42,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:04:42,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:04:42,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:04:42,132 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-16 12:04:42,153 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:04:42,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:04:42,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:04:42,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:04:42,155 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:04:42,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:04:42,155 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:04:42,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:04:42,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:04:42,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:04:42,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:04:42,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:04:42,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:04:42,157 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:04:42,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:04:42,157 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:04:42,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:04:42,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:04:42,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:04:42,158 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:04:42,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:04:42,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:04:42,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:04:42,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:04:42,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:04:42,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:04:42,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:04:42,159 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:04:42,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:04:42,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:04:42,485 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:04:42,488 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:04:42,490 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:04:42,492 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:04:42,493 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix055_pso.oepc.i [2020-10-16 12:04:42,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/10116991c/54fd14618a274681b198de9637d8a336/FLAG68c173025 [2020-10-16 12:04:43,093 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:04:43,094 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/mix055_pso.oepc.i [2020-10-16 12:04:43,110 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/10116991c/54fd14618a274681b198de9637d8a336/FLAG68c173025 [2020-10-16 12:04:43,408 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/10116991c/54fd14618a274681b198de9637d8a336 [2020-10-16 12:04:43,415 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:04:43,417 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:04:43,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:04:43,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:04:43,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:04:43,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:04:43" (1/1) ... [2020-10-16 12:04:43,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f1d44f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:43, skipping insertion in model container [2020-10-16 12:04:43,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:04:43" (1/1) ... [2020-10-16 12:04:43,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:04:43,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:04:44,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:04:44,026 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:04:44,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:04:44,202 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:04:44,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:44 WrapperNode [2020-10-16 12:04:44,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:04:44,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:04:44,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:04:44,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:04:44,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:44" (1/1) ... [2020-10-16 12:04:44,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:44" (1/1) ... [2020-10-16 12:04:44,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:04:44,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:04:44,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:04:44,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:04:44,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:44" (1/1) ... [2020-10-16 12:04:44,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:44" (1/1) ... [2020-10-16 12:04:44,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:44" (1/1) ... [2020-10-16 12:04:44,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:44" (1/1) ... [2020-10-16 12:04:44,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:44" (1/1) ... [2020-10-16 12:04:44,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:44" (1/1) ... [2020-10-16 12:04:44,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:44" (1/1) ... [2020-10-16 12:04:44,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:04:44,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:04:44,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:04:44,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:04:44,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:44" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 12:04:44,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:04:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:04:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:04:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:04:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:04:44,469 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:04:44,470 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:04:44,470 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:04:44,471 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 12:04:44,471 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 12:04:44,472 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-16 12:04:44,472 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-16 12:04:44,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:04:44,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:04:44,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:04:44,475 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 12:04:46,819 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:04:46,820 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 12:04:46,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:04:46 BoogieIcfgContainer [2020-10-16 12:04:46,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:04:46,824 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:04:46,824 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:04:46,827 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:04:46,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:04:43" (1/3) ... [2020-10-16 12:04:46,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@122f1196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:04:46, skipping insertion in model container [2020-10-16 12:04:46,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:04:44" (2/3) ... [2020-10-16 12:04:46,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@122f1196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:04:46, skipping insertion in model container [2020-10-16 12:04:46,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:04:46" (3/3) ... [2020-10-16 12:04:46,831 INFO L111 eAbstractionObserver]: Analyzing ICFG mix055_pso.oepc.i [2020-10-16 12:04:46,842 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:04:46,842 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:04:46,850 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 12:04:46,852 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:04:46,886 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,886 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,886 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,887 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,887 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,887 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,887 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,889 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,889 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,889 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,889 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,890 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,890 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,890 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,890 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,891 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,892 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,892 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,892 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,892 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,893 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,893 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,894 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,894 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,894 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,894 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,894 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,895 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,895 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,895 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,896 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,896 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,896 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,896 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,896 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,897 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,897 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,897 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,897 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,897 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,897 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,898 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,898 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,898 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,898 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,898 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,898 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,899 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,899 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,899 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,899 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,899 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,899 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,900 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,900 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,900 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,900 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,900 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,900 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,901 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,901 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,901 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,901 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,901 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,901 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,902 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,902 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,902 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,902 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,902 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,902 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,903 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,903 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,906 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,906 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,906 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,906 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,911 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,912 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,915 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,915 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,915 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,915 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,917 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,928 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,928 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,928 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,928 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,928 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,929 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,929 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,931 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,931 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:04:46,933 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:04:46,948 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 12:04:46,969 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:04:46,969 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:04:46,970 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:04:46,970 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 12:04:46,970 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:04:46,970 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:04:46,970 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:04:46,970 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:04:46,985 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:04:46,986 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 110 transitions, 240 flow [2020-10-16 12:04:46,989 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 110 transitions, 240 flow [2020-10-16 12:04:46,991 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 121 places, 110 transitions, 240 flow [2020-10-16 12:04:47,045 INFO L129 PetriNetUnfolder]: 2/106 cut-off events. [2020-10-16 12:04:47,046 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:04:47,052 INFO L80 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 106 events. 2/106 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 83 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2020-10-16 12:04:47,056 INFO L117 LiptonReduction]: Number of co-enabled transitions 2614 [2020-10-16 12:04:47,463 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 12:04:47,598 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-16 12:04:48,248 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-10-16 12:04:49,674 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-16 12:04:49,987 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2020-10-16 12:04:50,100 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-16 12:04:50,110 INFO L132 LiptonReduction]: Checked pairs total: 6839 [2020-10-16 12:04:50,111 INFO L134 LiptonReduction]: Total number of compositions: 86 [2020-10-16 12:04:50,118 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 33 transitions, 86 flow [2020-10-16 12:04:50,399 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4124 states. [2020-10-16 12:04:50,401 INFO L276 IsEmpty]: Start isEmpty. Operand 4124 states. [2020-10-16 12:04:50,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-16 12:04:50,428 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:04:50,429 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-16 12:04:50,430 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]=== [2020-10-16 12:04:50,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:04:50,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1186840, now seen corresponding path program 1 times [2020-10-16 12:04:50,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:04:50,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539246497] [2020-10-16 12:04:50,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:04:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:04:50,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:04:50,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539246497] [2020-10-16 12:04:50,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:04:50,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:04:50,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713729994] [2020-10-16 12:04:50,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:04:50,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:04:50,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:04:50,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:04:50,864 INFO L87 Difference]: Start difference. First operand 4124 states. Second operand 3 states. [2020-10-16 12:04:51,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:04:51,083 INFO L93 Difference]: Finished difference Result 3437 states and 13500 transitions. [2020-10-16 12:04:51,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:04:51,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-16 12:04:51,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:04:51,150 INFO L225 Difference]: With dead ends: 3437 [2020-10-16 12:04:51,150 INFO L226 Difference]: Without dead ends: 2812 [2020-10-16 12:04:51,152 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 [2020-10-16 12:04:51,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2812 states. [2020-10-16 12:04:51,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2812 to 2812. [2020-10-16 12:04:51,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2812 states. [2020-10-16 12:04:51,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2812 states and 10875 transitions. [2020-10-16 12:04:51,359 INFO L78 Accepts]: Start accepts. Automaton has 2812 states and 10875 transitions. Word has length 3 [2020-10-16 12:04:51,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:04:51,359 INFO L481 AbstractCegarLoop]: Abstraction has 2812 states and 10875 transitions. [2020-10-16 12:04:51,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:04:51,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 10875 transitions. [2020-10-16 12:04:51,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 12:04:51,363 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:04:51,363 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:04:51,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:04:51,364 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]=== [2020-10-16 12:04:51,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:04:51,364 INFO L82 PathProgramCache]: Analyzing trace with hash -601189422, now seen corresponding path program 1 times [2020-10-16 12:04:51,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:04:51,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848280699] [2020-10-16 12:04:51,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:04:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:04:51,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:04:51,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848280699] [2020-10-16 12:04:51,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:04:51,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:04:51,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559425501] [2020-10-16 12:04:51,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:04:51,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:04:51,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:04:51,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:04:51,440 INFO L87 Difference]: Start difference. First operand 2812 states and 10875 transitions. Second operand 3 states. [2020-10-16 12:04:51,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:04:51,490 INFO L93 Difference]: Finished difference Result 2762 states and 10645 transitions. [2020-10-16 12:04:51,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:04:51,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-16 12:04:51,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:04:51,516 INFO L225 Difference]: With dead ends: 2762 [2020-10-16 12:04:51,517 INFO L226 Difference]: Without dead ends: 2762 [2020-10-16 12:04:51,518 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 [2020-10-16 12:04:51,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2762 states. [2020-10-16 12:04:51,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 2762. [2020-10-16 12:04:51,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2762 states. [2020-10-16 12:04:51,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 10645 transitions. [2020-10-16 12:04:51,655 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 10645 transitions. Word has length 11 [2020-10-16 12:04:51,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:04:51,657 INFO L481 AbstractCegarLoop]: Abstraction has 2762 states and 10645 transitions. [2020-10-16 12:04:51,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:04:51,658 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 10645 transitions. [2020-10-16 12:04:51,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:04:51,668 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:04:51,668 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:04:51,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:04:51,669 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]=== [2020-10-16 12:04:51,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:04:51,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1086662839, now seen corresponding path program 1 times [2020-10-16 12:04:51,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:04:51,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120747755] [2020-10-16 12:04:51,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:04:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:04:51,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:04:51,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120747755] [2020-10-16 12:04:51,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:04:51,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:04:51,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352304419] [2020-10-16 12:04:51,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:04:51,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:04:51,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:04:51,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:04:51,764 INFO L87 Difference]: Start difference. First operand 2762 states and 10645 transitions. Second operand 3 states. [2020-10-16 12:04:51,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:04:51,801 INFO L93 Difference]: Finished difference Result 2716 states and 10435 transitions. [2020-10-16 12:04:51,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:04:51,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-16 12:04:51,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:04:51,826 INFO L225 Difference]: With dead ends: 2716 [2020-10-16 12:04:51,827 INFO L226 Difference]: Without dead ends: 2716 [2020-10-16 12:04:51,827 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 [2020-10-16 12:04:51,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2020-10-16 12:04:51,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 2716. [2020-10-16 12:04:51,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2716 states. [2020-10-16 12:04:51,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 10435 transitions. [2020-10-16 12:04:51,944 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 10435 transitions. Word has length 12 [2020-10-16 12:04:51,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:04:51,944 INFO L481 AbstractCegarLoop]: Abstraction has 2716 states and 10435 transitions. [2020-10-16 12:04:51,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:04:51,945 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 10435 transitions. [2020-10-16 12:04:51,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:04:51,947 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:04:51,947 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:04:51,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:04:51,947 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]=== [2020-10-16 12:04:51,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:04:51,948 INFO L82 PathProgramCache]: Analyzing trace with hash 673189505, now seen corresponding path program 1 times [2020-10-16 12:04:51,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:04:51,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052395609] [2020-10-16 12:04:51,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:04:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:04:52,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:04:52,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052395609] [2020-10-16 12:04:52,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:04:52,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:04:52,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085889470] [2020-10-16 12:04:52,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:04:52,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:04:52,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:04:52,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:04:52,109 INFO L87 Difference]: Start difference. First operand 2716 states and 10435 transitions. Second operand 4 states. [2020-10-16 12:04:52,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:04:52,182 INFO L93 Difference]: Finished difference Result 2633 states and 9151 transitions. [2020-10-16 12:04:52,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:04:52,183 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-16 12:04:52,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:04:52,200 INFO L225 Difference]: With dead ends: 2633 [2020-10-16 12:04:52,200 INFO L226 Difference]: Without dead ends: 2008 [2020-10-16 12:04:52,201 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 [2020-10-16 12:04:52,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2008 states. [2020-10-16 12:04:52,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2008 to 2008. [2020-10-16 12:04:52,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2008 states. [2020-10-16 12:04:52,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 2008 states and 6895 transitions. [2020-10-16 12:04:52,285 INFO L78 Accepts]: Start accepts. Automaton has 2008 states and 6895 transitions. Word has length 13 [2020-10-16 12:04:52,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:04:52,286 INFO L481 AbstractCegarLoop]: Abstraction has 2008 states and 6895 transitions. [2020-10-16 12:04:52,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:04:52,286 INFO L276 IsEmpty]: Start isEmpty. Operand 2008 states and 6895 transitions. [2020-10-16 12:04:52,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 12:04:52,289 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:04:52,289 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:04:52,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:04:52,290 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]=== [2020-10-16 12:04:52,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:04:52,290 INFO L82 PathProgramCache]: Analyzing trace with hash -653812345, now seen corresponding path program 1 times [2020-10-16 12:04:52,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:04:52,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627630474] [2020-10-16 12:04:52,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:04:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:04:52,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:04:52,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627630474] [2020-10-16 12:04:52,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:04:52,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:04:52,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782623225] [2020-10-16 12:04:52,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:04:52,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:04:52,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:04:52,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:04:52,369 INFO L87 Difference]: Start difference. First operand 2008 states and 6895 transitions. Second operand 3 states. [2020-10-16 12:04:52,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:04:52,391 INFO L93 Difference]: Finished difference Result 2969 states and 9903 transitions. [2020-10-16 12:04:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:04:52,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-16 12:04:52,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:04:52,407 INFO L225 Difference]: With dead ends: 2969 [2020-10-16 12:04:52,408 INFO L226 Difference]: Without dead ends: 2117 [2020-10-16 12:04:52,408 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 [2020-10-16 12:04:52,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2117 states. [2020-10-16 12:04:52,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2117 to 1967. [2020-10-16 12:04:52,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1967 states. [2020-10-16 12:04:52,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1967 states to 1967 states and 6491 transitions. [2020-10-16 12:04:52,474 INFO L78 Accepts]: Start accepts. Automaton has 1967 states and 6491 transitions. Word has length 16 [2020-10-16 12:04:52,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:04:52,475 INFO L481 AbstractCegarLoop]: Abstraction has 1967 states and 6491 transitions. [2020-10-16 12:04:52,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:04:52,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1967 states and 6491 transitions. [2020-10-16 12:04:52,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 12:04:52,478 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:04:52,478 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:04:52,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:04:52,478 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]=== [2020-10-16 12:04:52,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:04:52,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1831702267, now seen corresponding path program 1 times [2020-10-16 12:04:52,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:04:52,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478720151] [2020-10-16 12:04:52,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:04:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:04:52,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:04:52,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478720151] [2020-10-16 12:04:52,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:04:52,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:04:52,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348357145] [2020-10-16 12:04:52,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:04:52,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:04:52,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:04:52,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:04:52,553 INFO L87 Difference]: Start difference. First operand 1967 states and 6491 transitions. Second operand 5 states. [2020-10-16 12:04:52,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:04:52,609 INFO L93 Difference]: Finished difference Result 1630 states and 4927 transitions. [2020-10-16 12:04:52,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:04:52,609 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-10-16 12:04:52,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:04:52,618 INFO L225 Difference]: With dead ends: 1630 [2020-10-16 12:04:52,618 INFO L226 Difference]: Without dead ends: 1261 [2020-10-16 12:04:52,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:04:52,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1261 states. [2020-10-16 12:04:52,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1261 to 1261. [2020-10-16 12:04:52,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1261 states. [2020-10-16 12:04:52,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 3747 transitions. [2020-10-16 12:04:52,652 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 3747 transitions. Word has length 16 [2020-10-16 12:04:52,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:04:52,653 INFO L481 AbstractCegarLoop]: Abstraction has 1261 states and 3747 transitions. [2020-10-16 12:04:52,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:04:52,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 3747 transitions. [2020-10-16 12:04:52,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-16 12:04:52,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:04:52,656 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:04:52,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:04:52,657 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]=== [2020-10-16 12:04:52,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:04:52,657 INFO L82 PathProgramCache]: Analyzing trace with hash -887685088, now seen corresponding path program 1 times [2020-10-16 12:04:52,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:04:52,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628196350] [2020-10-16 12:04:52,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:04:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:04:52,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:04:52,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628196350] [2020-10-16 12:04:52,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:04:52,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:04:52,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149004224] [2020-10-16 12:04:52,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:04:52,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:04:52,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:04:52,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:04:52,701 INFO L87 Difference]: Start difference. First operand 1261 states and 3747 transitions. Second operand 3 states. [2020-10-16 12:04:52,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:04:52,715 INFO L93 Difference]: Finished difference Result 1736 states and 5035 transitions. [2020-10-16 12:04:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:04:52,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-16 12:04:52,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:04:52,721 INFO L225 Difference]: With dead ends: 1736 [2020-10-16 12:04:52,721 INFO L226 Difference]: Without dead ends: 1284 [2020-10-16 12:04:52,721 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 [2020-10-16 12:04:52,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2020-10-16 12:04:52,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 1251. [2020-10-16 12:04:52,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1251 states. [2020-10-16 12:04:52,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1251 states and 3594 transitions. [2020-10-16 12:04:52,754 INFO L78 Accepts]: Start accepts. Automaton has 1251 states and 3594 transitions. Word has length 19 [2020-10-16 12:04:52,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:04:52,755 INFO L481 AbstractCegarLoop]: Abstraction has 1251 states and 3594 transitions. [2020-10-16 12:04:52,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:04:52,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 3594 transitions. [2020-10-16 12:04:52,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-16 12:04:52,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:04:52,758 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:04:52,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:04:52,758 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]=== [2020-10-16 12:04:52,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:04:52,758 INFO L82 PathProgramCache]: Analyzing trace with hash 674853945, now seen corresponding path program 1 times [2020-10-16 12:04:52,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:04:52,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718044461] [2020-10-16 12:04:52,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:04:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:04:52,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:04:52,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718044461] [2020-10-16 12:04:52,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:04:52,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:04:52,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073018439] [2020-10-16 12:04:52,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:04:52,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:04:52,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:04:52,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:04:52,902 INFO L87 Difference]: Start difference. First operand 1251 states and 3594 transitions. Second operand 6 states. [2020-10-16 12:04:52,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:04:52,968 INFO L93 Difference]: Finished difference Result 1099 states and 3123 transitions. [2020-10-16 12:04:52,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:04:52,969 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-10-16 12:04:52,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:04:52,973 INFO L225 Difference]: With dead ends: 1099 [2020-10-16 12:04:52,973 INFO L226 Difference]: Without dead ends: 922 [2020-10-16 12:04:52,973 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:04:52,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2020-10-16 12:04:52,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 922. [2020-10-16 12:04:52,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 922 states. [2020-10-16 12:04:52,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 2651 transitions. [2020-10-16 12:04:52,997 INFO L78 Accepts]: Start accepts. Automaton has 922 states and 2651 transitions. Word has length 19 [2020-10-16 12:04:52,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:04:52,997 INFO L481 AbstractCegarLoop]: Abstraction has 922 states and 2651 transitions. [2020-10-16 12:04:52,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:04:52,997 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 2651 transitions. [2020-10-16 12:04:53,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-16 12:04:53,000 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:04:53,000 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] [2020-10-16 12:04:53,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:04:53,001 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]=== [2020-10-16 12:04:53,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:04:53,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1980508230, now seen corresponding path program 1 times [2020-10-16 12:04:53,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:04:53,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338432348] [2020-10-16 12:04:53,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:04:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:04:53,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:04:53,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338432348] [2020-10-16 12:04:53,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:04:53,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:04:53,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181046713] [2020-10-16 12:04:53,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:04:53,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:04:53,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:04:53,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:04:53,523 INFO L87 Difference]: Start difference. First operand 922 states and 2651 transitions. Second operand 7 states. [2020-10-16 12:04:53,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:04:53,888 INFO L93 Difference]: Finished difference Result 1659 states and 4515 transitions. [2020-10-16 12:04:53,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 12:04:53,888 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-10-16 12:04:53,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:04:53,894 INFO L225 Difference]: With dead ends: 1659 [2020-10-16 12:04:53,894 INFO L226 Difference]: Without dead ends: 1369 [2020-10-16 12:04:53,895 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:04:53,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2020-10-16 12:04:53,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1100. [2020-10-16 12:04:53,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1100 states. [2020-10-16 12:04:53,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 3122 transitions. [2020-10-16 12:04:53,938 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 3122 transitions. Word has length 23 [2020-10-16 12:04:53,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:04:53,940 INFO L481 AbstractCegarLoop]: Abstraction has 1100 states and 3122 transitions. [2020-10-16 12:04:53,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:04:53,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 3122 transitions. [2020-10-16 12:04:53,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-16 12:04:53,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:04:53,945 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] [2020-10-16 12:04:53,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 12:04:53,945 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]=== [2020-10-16 12:04:53,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:04:53,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1520400950, now seen corresponding path program 2 times [2020-10-16 12:04:53,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:04:53,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082077350] [2020-10-16 12:04:53,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:04:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:04:54,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:04:54,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082077350] [2020-10-16 12:04:54,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:04:54,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:04:54,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036235972] [2020-10-16 12:04:54,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:04:54,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:04:54,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:04:54,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:04:54,099 INFO L87 Difference]: Start difference. First operand 1100 states and 3122 transitions. Second operand 7 states. [2020-10-16 12:04:54,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:04:54,166 INFO L93 Difference]: Finished difference Result 1071 states and 3062 transitions. [2020-10-16 12:04:54,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 12:04:54,166 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-10-16 12:04:54,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:04:54,169 INFO L225 Difference]: With dead ends: 1071 [2020-10-16 12:04:54,169 INFO L226 Difference]: Without dead ends: 652 [2020-10-16 12:04:54,170 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:04:54,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2020-10-16 12:04:54,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 652. [2020-10-16 12:04:54,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2020-10-16 12:04:54,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 1853 transitions. [2020-10-16 12:04:54,187 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 1853 transitions. Word has length 23 [2020-10-16 12:04:54,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:04:54,187 INFO L481 AbstractCegarLoop]: Abstraction has 652 states and 1853 transitions. [2020-10-16 12:04:54,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:04:54,187 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 1853 transitions. [2020-10-16 12:04:54,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-16 12:04:54,189 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:04:54,189 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] [2020-10-16 12:04:54,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 12:04:54,190 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]=== [2020-10-16 12:04:54,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:04:54,190 INFO L82 PathProgramCache]: Analyzing trace with hash 2077865057, now seen corresponding path program 1 times [2020-10-16 12:04:54,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:04:54,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165413219] [2020-10-16 12:04:54,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:04:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:04:54,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:04:54,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165413219] [2020-10-16 12:04:54,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:04:54,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:04:54,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900222171] [2020-10-16 12:04:54,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:04:54,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:04:54,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:04:54,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:04:54,639 INFO L87 Difference]: Start difference. First operand 652 states and 1853 transitions. Second operand 8 states. [2020-10-16 12:04:55,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:04:55,001 INFO L93 Difference]: Finished difference Result 783 states and 2169 transitions. [2020-10-16 12:04:55,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:04:55,002 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2020-10-16 12:04:55,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:04:55,005 INFO L225 Difference]: With dead ends: 783 [2020-10-16 12:04:55,005 INFO L226 Difference]: Without dead ends: 725 [2020-10-16 12:04:55,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 12:04:55,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2020-10-16 12:04:55,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 604. [2020-10-16 12:04:55,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-10-16 12:04:55,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 1701 transitions. [2020-10-16 12:04:55,036 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 1701 transitions. Word has length 27 [2020-10-16 12:04:55,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:04:55,037 INFO L481 AbstractCegarLoop]: Abstraction has 604 states and 1701 transitions. [2020-10-16 12:04:55,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:04:55,038 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1701 transitions. [2020-10-16 12:04:55,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-16 12:04:55,040 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:04:55,040 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] [2020-10-16 12:04:55,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 12:04:55,041 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]=== [2020-10-16 12:04:55,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:04:55,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1423044123, now seen corresponding path program 2 times [2020-10-16 12:04:55,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:04:55,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084212804] [2020-10-16 12:04:55,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:04:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:04:55,111 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:04:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:04:55,183 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:04:55,222 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:04:55,222 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:04:55,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 12:04:55,223 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 12:04:55,254 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1158] [1158] L859-->L866: Formula: (let ((.cse6 (= (mod ~a$w_buff0_used~0_In-925894434 256) 0)) (.cse7 (= (mod ~a$r_buff0_thd0~0_In-925894434 256) 0)) (.cse9 (= (mod ~a$w_buff1_used~0_In-925894434 256) 0)) (.cse8 (= (mod ~a$r_buff1_thd0~0_In-925894434 256) 0))) (let ((.cse2 (or .cse9 .cse8)) (.cse0 (not .cse9)) (.cse1 (not .cse8)) (.cse3 (or .cse6 .cse7)) (.cse4 (not .cse7)) (.cse5 (not .cse6))) (and (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out-925894434 0)) (or (and .cse0 (= ~a$w_buff1_used~0_Out-925894434 0) .cse1) (and .cse2 (= ~a$w_buff1_used~0_In-925894434 ~a$w_buff1_used~0_Out-925894434))) (= ~a$r_buff1_thd0~0_Out-925894434 ~a$r_buff1_thd0~0_In-925894434) (or (and .cse3 (or (and .cse2 (= ~a~0_In-925894434 ~a~0_Out-925894434)) (and (= ~a~0_Out-925894434 ~a$w_buff1~0_In-925894434) .cse0 .cse1))) (and (= ~a~0_Out-925894434 ~a$w_buff0~0_In-925894434) .cse4 .cse5)) (= ULTIMATE.start_assume_abort_if_not_~cond_Out-925894434 |ULTIMATE.start_assume_abort_if_not_#in~cond_In-925894434|) (= ~a$r_buff0_thd0~0_In-925894434 ~a$r_buff0_thd0~0_Out-925894434) (or (and .cse3 (= ~a$w_buff0_used~0_In-925894434 ~a$w_buff0_used~0_Out-925894434)) (and .cse4 .cse5 (= ~a$w_buff0_used~0_Out-925894434 0)))))) InVars {~a~0=~a~0_In-925894434, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-925894434|, ~a$w_buff1~0=~a$w_buff1~0_In-925894434, ~a$w_buff0~0=~a$w_buff0~0_In-925894434, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_In-925894434, ~a$w_buff0_used~0=~a$w_buff0_used~0_In-925894434, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_In-925894434, ~a$w_buff1_used~0=~a$w_buff1_used~0_In-925894434} OutVars{ULTIMATE.start_main_#t~ite58=|ULTIMATE.start_main_#t~ite58_Out-925894434|, ~a$w_buff0_used~0=~a$w_buff0_used~0_Out-925894434, ULTIMATE.start_main_#t~ite57=|ULTIMATE.start_main_#t~ite57_Out-925894434|, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_Out-925894434, ULTIMATE.start_main_#t~ite54=|ULTIMATE.start_main_#t~ite54_Out-925894434|, ULTIMATE.start_main_#t~ite53=|ULTIMATE.start_main_#t~ite53_Out-925894434|, ULTIMATE.start_main_#t~ite56=|ULTIMATE.start_main_#t~ite56_Out-925894434|, ULTIMATE.start_main_#t~ite55=|ULTIMATE.start_main_#t~ite55_Out-925894434|, ~a~0=~a~0_Out-925894434, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-925894434|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-925894434, ~a$w_buff1~0=~a$w_buff1~0_In-925894434, ~a$w_buff0~0=~a$w_buff0~0_In-925894434, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_Out-925894434, ~a$w_buff1_used~0=~a$w_buff1_used~0_Out-925894434} AuxVars[] AssignedVars[~a~0, ULTIMATE.start_assume_abort_if_not_~cond, ULTIMATE.start_main_#t~ite58, ~a$r_buff1_thd0~0, ~a$w_buff0_used~0, ULTIMATE.start_main_#t~ite57, ~a$r_buff0_thd0~0, ~a$w_buff1_used~0, ULTIMATE.start_main_#t~ite54, ULTIMATE.start_main_#t~ite53, ULTIMATE.start_main_#t~ite56, ULTIMATE.start_main_#t~ite55] because there is no mapped edge [2020-10-16 12:04:55,259 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,259 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,261 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,262 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,262 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,262 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,262 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,262 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,263 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,263 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,263 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,263 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,264 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,265 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,265 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,265 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,265 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,265 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,266 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,266 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,266 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,266 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,267 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,268 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,268 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,268 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,268 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,268 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,268 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,269 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,269 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,269 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,269 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,269 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,269 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,270 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,270 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,270 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,270 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,270 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,271 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,271 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,271 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,271 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,271 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,271 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,272 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,272 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,272 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,272 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,272 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,272 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,273 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,273 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,273 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,274 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,274 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,274 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,274 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,274 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,274 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:04:55,275 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:04:55,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:04:55 BasicIcfg [2020-10-16 12:04:55,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:04:55,368 INFO L168 Benchmark]: Toolchain (without parser) took 11951.28 ms. Allocated memory was 140.5 MB in the beginning and 393.2 MB in the end (delta: 252.7 MB). Free memory was 100.6 MB in the beginning and 251.7 MB in the end (delta: -151.1 MB). Peak memory consumption was 101.6 MB. Max. memory is 7.1 GB. [2020-10-16 12:04:55,371 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 12:04:55,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 786.66 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 100.4 MB in the beginning and 157.0 MB in the end (delta: -56.5 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2020-10-16 12:04:55,373 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.43 ms. Allocated memory is still 203.4 MB. Free memory was 157.0 MB in the beginning and 154.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-16 12:04:55,373 INFO L168 Benchmark]: Boogie Preprocessor took 84.47 ms. Allocated memory is still 203.4 MB. Free memory was 154.3 MB in the beginning and 151.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-16 12:04:55,376 INFO L168 Benchmark]: RCFGBuilder took 2421.89 ms. Allocated memory was 203.4 MB in the beginning and 245.9 MB in the end (delta: 42.5 MB). Free memory was 151.7 MB in the beginning and 141.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 100.3 MB. Max. memory is 7.1 GB. [2020-10-16 12:04:55,377 INFO L168 Benchmark]: TraceAbstraction took 8542.48 ms. Allocated memory was 245.9 MB in the beginning and 393.2 MB in the end (delta: 147.3 MB). Free memory was 141.0 MB in the beginning and 251.7 MB in the end (delta: -110.7 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. [2020-10-16 12:04:55,383 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 786.66 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 100.4 MB in the beginning and 157.0 MB in the end (delta: -56.5 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 110.43 ms. Allocated memory is still 203.4 MB. Free memory was 157.0 MB in the beginning and 154.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.47 ms. Allocated memory is still 203.4 MB. Free memory was 154.3 MB in the beginning and 151.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2421.89 ms. Allocated memory was 203.4 MB in the beginning and 245.9 MB in the end (delta: 42.5 MB). Free memory was 151.7 MB in the beginning and 141.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 100.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8542.48 ms. Allocated memory was 245.9 MB in the beginning and 393.2 MB in the end (delta: 147.3 MB). Free memory was 141.0 MB in the beginning and 251.7 MB in the end (delta: -110.7 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1350 VarBasedMoverChecksPositive, 44 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 166 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.1s, 121 PlacesBefore, 46 PlacesAfterwards, 110 TransitionsBefore, 33 TransitionsAfterwards, 2614 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 86 TotalNumberOfCompositions, 6839 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L699] 0 int __unbuffered_cnt = 0; [L701] 0 int __unbuffered_p1_EAX = 0; [L703] 0 int __unbuffered_p3_EAX = 0; [L705] 0 int a = 0; [L706] 0 _Bool a$flush_delayed; [L707] 0 int a$mem_tmp; [L708] 0 _Bool a$r_buff0_thd0; [L709] 0 _Bool a$r_buff0_thd1; [L710] 0 _Bool a$r_buff0_thd2; [L711] 0 _Bool a$r_buff0_thd3; [L712] 0 _Bool a$r_buff0_thd4; [L713] 0 _Bool a$r_buff1_thd0; [L714] 0 _Bool a$r_buff1_thd1; [L715] 0 _Bool a$r_buff1_thd2; [L716] 0 _Bool a$r_buff1_thd3; [L717] 0 _Bool a$r_buff1_thd4; [L718] 0 _Bool a$read_delayed; [L719] 0 int *a$read_delayed_var; [L720] 0 int a$w_buff0; [L721] 0 _Bool a$w_buff0_used; [L722] 0 int a$w_buff1; [L723] 0 _Bool a$w_buff1_used; [L724] 0 _Bool main$tmp_guard0; [L725] 0 _Bool main$tmp_guard1; [L727] 0 int x = 0; [L729] 0 int y = 0; [L731] 0 int z = 0; [L732] 0 _Bool weak$$choice0; [L733] 0 _Bool weak$$choice2; [L848] 0 pthread_t t1465; [L849] FCALL, FORK 0 pthread_create(&t1465, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=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] [L737] 1 a$w_buff1 = a$w_buff0 [L738] 1 a$w_buff0 = 1 [L739] 1 a$w_buff1_used = a$w_buff0_used [L740] 1 a$w_buff0_used = (_Bool)1 [L7] COND TRUE 1 !expression [L7] 1 __VERIFIER_error() [L742] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L743] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L744] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L745] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L746] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L747] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, a$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] [L850] 0 pthread_t t1466; [L750] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=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=1, y=0, z=0] [L851] FCALL, FORK 0 pthread_create(&t1466, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=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] [L767] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=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] [L770] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=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] [L773] 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) [L773] 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) [L774] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L774] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L775] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L775] 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 [L776] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L776] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L777] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L777] 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 [L780] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L782] 2 return 0; [L852] 0 pthread_t t1467; [L853] FCALL, FORK 0 pthread_create(&t1467, ((void *)0), P2, ((void *)0)) VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=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}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L787] 3 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=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}, 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] [L790] 3 z = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=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}, 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=1] [L793] 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) [L793] 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) [L794] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L794] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L795] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L795] 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 [L796] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L796] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L797] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L797] 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 [L800] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L802] 3 return 0; [L854] 0 pthread_t t1468; [L855] FCALL, FORK 0 pthread_create(&t1468, ((void *)0), P3, ((void *)0)) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=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}, 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=1] [L807] 4 z = 2 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=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}, 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=2] [L810] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L811] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L812] 4 a$flush_delayed = weak$$choice2 [L813] 4 a$mem_tmp = a [L814] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L814] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1 [L814] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L814] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L815] EXPR 4 weak$$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$w_buff0)) [L815] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L816] EXPR 4 weak$$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$w_buff1)) [L816] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L817] EXPR 4 weak$$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)) [L817] 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_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used) [L817] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L817] 4 a$w_buff0_used = weak$$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)) [L818] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L818] 4 a$w_buff1_used = weak$$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)) [L819] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L819] 4 a$r_buff0_thd4 = weak$$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)) [L820] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L820] 4 a$r_buff1_thd4 = weak$$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$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L821] 4 __unbuffered_p3_EAX = a [L822] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L822] 4 a = a$flush_delayed ? a$mem_tmp : a [L823] 4 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=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}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=0, x=2, y=1, z=2] [L753] 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) [L753] 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) [L754] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L754] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L755] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L755] 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 [L756] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L756] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L757] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L757] 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 [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L762] 1 return 0; [L826] 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) [L826] 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) [L827] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L827] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L828] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L828] 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 [L829] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L829] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L830] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L830] 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 [L833] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L835] 4 return 0; [L857] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L868] 0 main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p3_EAX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __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$$choice0=9, weak$$choice2=0, x=2, y=1, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 109 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.2s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.4s, HoareTripleCheckerStatistics: 413 SDtfs, 486 SDslu, 834 SDs, 0 SdLazy, 343 SolverSat, 80 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.9s 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: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 573 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 171 ConstructedInterpolants, 0 QuantifiedInterpolants, 35545 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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...