/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/safe027_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:10:56,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:10:56,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:10:56,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:10:56,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:10:56,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:10:56,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:10:56,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:10:56,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:10:56,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:10:56,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:10:56,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:10:56,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:10:56,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:10:56,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:10:56,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:10:56,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:10:56,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:10:56,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:10:56,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:10:56,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:10:56,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:10:56,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:10:56,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:10:56,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:10:56,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:10:56,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:10:56,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:10:56,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:10:56,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:10:56,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:10:56,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:10:56,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:10:56,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:10:56,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:10:56,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:10:56,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:10:56,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:10:56,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:10:56,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:10:56,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:10:56,474 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 12:10:56,497 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:10:56,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:10:56,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:10:56,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:10:56,499 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:10:56,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:10:56,499 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:10:56,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:10:56,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:10:56,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:10:56,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:10:56,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:10:56,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:10:56,501 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:10:56,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:10:56,501 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:10:56,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:10:56,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:10:56,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:10:56,502 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:10:56,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:10:56,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:10:56,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:10:56,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:10:56,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:10:56,503 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:10:56,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:10:56,505 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:10:56,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:10:56,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:10:56,852 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:10:56,856 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:10:56,857 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:10:56,857 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:10:56,858 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_power.opt.i [2020-10-16 12:10:56,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c1230c44b/5d9e3f3ec3f046dabab7d5d15010fb76/FLAG39f8302e7 [2020-10-16 12:10:57,494 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:10:57,495 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/safe027_power.opt.i [2020-10-16 12:10:57,513 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c1230c44b/5d9e3f3ec3f046dabab7d5d15010fb76/FLAG39f8302e7 [2020-10-16 12:10:57,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c1230c44b/5d9e3f3ec3f046dabab7d5d15010fb76 [2020-10-16 12:10:57,820 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:10:57,822 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:10:57,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:10:57,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:10:57,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:10:57,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:10:57" (1/1) ... [2020-10-16 12:10:57,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d27174f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:57, skipping insertion in model container [2020-10-16 12:10:57,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:10:57" (1/1) ... [2020-10-16 12:10:57,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:10:57,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:10:58,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:10:58,503 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:10:58,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:10:58,669 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:10:58,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:58 WrapperNode [2020-10-16 12:10:58,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:10:58,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:10:58,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:10:58,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:10:58,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:58" (1/1) ... [2020-10-16 12:10:58,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:58" (1/1) ... [2020-10-16 12:10:58,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:10:58,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:10:58,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:10:58,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:10:58,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:58" (1/1) ... [2020-10-16 12:10:58,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:58" (1/1) ... [2020-10-16 12:10:58,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:58" (1/1) ... [2020-10-16 12:10:58,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:58" (1/1) ... [2020-10-16 12:10:58,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:58" (1/1) ... [2020-10-16 12:10:58,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:58" (1/1) ... [2020-10-16 12:10:58,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:58" (1/1) ... [2020-10-16 12:10:58,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:10:58,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:10:58,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:10:58,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:10:58,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:58" (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 12:10:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 12:10:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:10:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:10:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:10:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:10:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:10:58,883 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:10:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:10:58,884 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:10:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 12:10:58,884 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 12:10:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-16 12:10:58,885 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-16 12:10:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 12:10:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:10:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:10:58,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:10:58,888 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 12:11:02,730 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:11:02,730 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 12:11:02,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:11:02 BoogieIcfgContainer [2020-10-16 12:11:02,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:11:02,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:11:02,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:11:02,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:11:02,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:10:57" (1/3) ... [2020-10-16 12:11:02,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b501ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:11:02, skipping insertion in model container [2020-10-16 12:11:02,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:10:58" (2/3) ... [2020-10-16 12:11:02,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b501ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:11:02, skipping insertion in model container [2020-10-16 12:11:02,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:11:02" (3/3) ... [2020-10-16 12:11:02,745 INFO L111 eAbstractionObserver]: Analyzing ICFG safe027_power.opt.i [2020-10-16 12:11:02,758 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:11:02,758 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:11:02,769 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 12:11:02,770 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:11:02,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,829 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,829 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,831 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,831 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,831 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,831 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,831 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,831 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,831 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,832 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,832 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,832 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,832 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,832 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,832 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,833 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,833 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,833 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,835 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,835 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,836 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,836 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,837 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,839 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,839 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,839 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,839 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,839 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,839 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,842 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,842 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,843 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,843 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,843 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,843 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,843 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,844 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,844 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,844 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,844 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,844 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,847 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,847 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,850 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,850 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,850 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem83| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,853 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,856 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,856 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,857 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,857 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem82| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem83| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,872 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,872 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,872 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,872 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,872 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,873 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,873 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,873 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,873 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,876 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem85| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem85| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite89| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite88| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite87| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,880 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite90| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,880 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,880 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite91| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,881 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,881 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,881 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,881 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~mem92| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite93| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~mem92| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite97| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite98| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite93| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite94| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite95| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite96| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,894 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite97| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,894 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite98| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,894 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~mem92| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,895 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,895 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,895 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,895 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite95| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,895 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite96| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,895 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite93| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,896 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,896 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite94| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,899 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,899 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,901 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,901 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,901 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,901 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,901 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,901 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,902 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,902 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,902 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,902 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,902 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,902 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,903 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,903 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,907 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,909 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,909 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite89| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite87| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite91| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem82| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,916 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,916 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,916 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,916 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,916 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,916 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,917 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,917 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,917 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite88| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,917 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,917 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,917 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,918 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,918 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,918 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,918 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,918 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,918 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite90| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem83| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem85| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,921 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:11:02,923 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:11:02,937 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 12:11:02,957 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:11:02,958 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:11:02,958 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:11:02,958 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 12:11:02,958 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:11:02,958 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:11:02,958 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:11:02,958 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:11:02,973 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:11:02,974 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 127 transitions, 274 flow [2020-10-16 12:11:02,977 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 138 places, 127 transitions, 274 flow [2020-10-16 12:11:02,979 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 138 places, 127 transitions, 274 flow [2020-10-16 12:11:03,039 INFO L129 PetriNetUnfolder]: 2/123 cut-off events. [2020-10-16 12:11:03,040 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:11:03,045 INFO L80 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 123 events. 2/123 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2020-10-16 12:11:03,050 INFO L117 LiptonReduction]: Number of co-enabled transitions 2274 [2020-10-16 12:11:07,850 WARN L193 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 406 DAG size of output: 363 [2020-10-16 12:11:07,909 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 2, 5, 2, 4, 2, 4, 3, 3, 2, 1] term [2020-10-16 12:11:07,909 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 12:11:07,911 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 2, 2, 3, 3, 3, 2, 1] term [2020-10-16 12:11:07,912 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 12:11:07,913 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 3, 3, 3, 2, 1] term [2020-10-16 12:11:07,914 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 12:11:07,915 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 3, 2, 1] term [2020-10-16 12:11:07,916 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 12:11:07,917 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-10-16 12:11:07,917 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 12:11:07,934 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-16 12:11:07,935 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 12:11:09,306 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 197 DAG size of output: 173 [2020-10-16 12:11:09,827 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2020-10-16 12:11:09,842 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 4, 2, 1] term [2020-10-16 12:11:09,842 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 12:11:09,843 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-10-16 12:11:09,844 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 12:11:09,966 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-16 12:11:11,017 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2020-10-16 12:11:11,903 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2020-10-16 12:11:12,015 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-16 12:11:12,123 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-16 12:11:12,571 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-16 12:11:12,751 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-16 12:11:13,167 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2020-10-16 12:11:13,368 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-16 12:11:13,975 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 144 [2020-10-16 12:11:14,271 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-16 12:11:14,280 INFO L132 LiptonReduction]: Checked pairs total: 6559 [2020-10-16 12:11:14,280 INFO L134 LiptonReduction]: Total number of compositions: 108 [2020-10-16 12:11:14,286 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 30 transitions, 80 flow [2020-10-16 12:11:14,470 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2250 states. [2020-10-16 12:11:14,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2250 states. [2020-10-16 12:11:14,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-16 12:11:14,481 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:11:14,482 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 12:11:14,482 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:11:14,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:11:14,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1763046774, now seen corresponding path program 1 times [2020-10-16 12:11:14,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:11:14,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841647052] [2020-10-16 12:11:14,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:11:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:11:14,741 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 12:11:14,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841647052] [2020-10-16 12:11:14,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:11:14,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:11:14,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346777211] [2020-10-16 12:11:14,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:11:14,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:11:14,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:11:14,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:11:14,761 INFO L87 Difference]: Start difference. First operand 2250 states. Second operand 3 states. [2020-10-16 12:11:14,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:11:14,962 INFO L93 Difference]: Finished difference Result 1802 states and 6784 transitions. [2020-10-16 12:11:14,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:11:14,964 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-16 12:11:14,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:11:15,009 INFO L225 Difference]: With dead ends: 1802 [2020-10-16 12:11:15,009 INFO L226 Difference]: Without dead ends: 1482 [2020-10-16 12:11:15,010 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 12:11:15,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2020-10-16 12:11:15,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1482. [2020-10-16 12:11:15,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1482 states. [2020-10-16 12:11:15,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1482 states and 5488 transitions. [2020-10-16 12:11:15,168 INFO L78 Accepts]: Start accepts. Automaton has 1482 states and 5488 transitions. Word has length 5 [2020-10-16 12:11:15,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:11:15,168 INFO L481 AbstractCegarLoop]: Abstraction has 1482 states and 5488 transitions. [2020-10-16 12:11:15,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:11:15,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 5488 transitions. [2020-10-16 12:11:15,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 12:11:15,173 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:11:15,173 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:11:15,173 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:11:15,174 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:11:15,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:11:15,174 INFO L82 PathProgramCache]: Analyzing trace with hash 813589980, now seen corresponding path program 1 times [2020-10-16 12:11:15,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:11:15,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561187583] [2020-10-16 12:11:15,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:11:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:11:15,303 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 12:11:15,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561187583] [2020-10-16 12:11:15,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:11:15,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:11:15,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493281904] [2020-10-16 12:11:15,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:11:15,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:11:15,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:11:15,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:11:15,306 INFO L87 Difference]: Start difference. First operand 1482 states and 5488 transitions. Second operand 3 states. [2020-10-16 12:11:15,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:11:15,329 INFO L93 Difference]: Finished difference Result 1402 states and 5144 transitions. [2020-10-16 12:11:15,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:11:15,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-16 12:11:15,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:11:15,342 INFO L225 Difference]: With dead ends: 1402 [2020-10-16 12:11:15,342 INFO L226 Difference]: Without dead ends: 1402 [2020-10-16 12:11:15,343 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 12:11:15,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2020-10-16 12:11:15,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1402. [2020-10-16 12:11:15,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1402 states. [2020-10-16 12:11:15,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1402 states and 5144 transitions. [2020-10-16 12:11:15,397 INFO L78 Accepts]: Start accepts. Automaton has 1402 states and 5144 transitions. Word has length 11 [2020-10-16 12:11:15,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:11:15,398 INFO L481 AbstractCegarLoop]: Abstraction has 1402 states and 5144 transitions. [2020-10-16 12:11:15,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:11:15,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 5144 transitions. [2020-10-16 12:11:15,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:11:15,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:11:15,401 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:11:15,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:11:15,402 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:11:15,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:11:15,402 INFO L82 PathProgramCache]: Analyzing trace with hash -58441524, now seen corresponding path program 1 times [2020-10-16 12:11:15,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:11:15,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296933329] [2020-10-16 12:11:15,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:11:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:11:15,507 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 12:11:15,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296933329] [2020-10-16 12:11:15,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:11:15,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:11:15,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528209622] [2020-10-16 12:11:15,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:11:15,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:11:15,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:11:15,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:11:15,510 INFO L87 Difference]: Start difference. First operand 1402 states and 5144 transitions. Second operand 4 states. [2020-10-16 12:11:15,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:11:15,575 INFO L93 Difference]: Finished difference Result 1882 states and 6808 transitions. [2020-10-16 12:11:15,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 12:11:15,576 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-16 12:11:15,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:11:15,585 INFO L225 Difference]: With dead ends: 1882 [2020-10-16 12:11:15,585 INFO L226 Difference]: Without dead ends: 1012 [2020-10-16 12:11:15,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 12:11:15,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2020-10-16 12:11:15,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 1012. [2020-10-16 12:11:15,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1012 states. [2020-10-16 12:11:15,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 3628 transitions. [2020-10-16 12:11:15,632 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 3628 transitions. Word has length 12 [2020-10-16 12:11:15,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:11:15,632 INFO L481 AbstractCegarLoop]: Abstraction has 1012 states and 3628 transitions. [2020-10-16 12:11:15,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:11:15,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 3628 transitions. [2020-10-16 12:11:15,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:11:15,637 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:11:15,637 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:11:15,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:11:15,638 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:11:15,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:11:15,638 INFO L82 PathProgramCache]: Analyzing trace with hash 175926953, now seen corresponding path program 1 times [2020-10-16 12:11:15,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:11:15,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428235109] [2020-10-16 12:11:15,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:11:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:11:15,785 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 12:11:15,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428235109] [2020-10-16 12:11:15,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:11:15,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:11:15,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869593838] [2020-10-16 12:11:15,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:11:15,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:11:15,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:11:15,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:11:15,789 INFO L87 Difference]: Start difference. First operand 1012 states and 3628 transitions. Second operand 3 states. [2020-10-16 12:11:15,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:11:15,809 INFO L93 Difference]: Finished difference Result 976 states and 3481 transitions. [2020-10-16 12:11:15,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:11:15,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-16 12:11:15,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:11:15,818 INFO L225 Difference]: With dead ends: 976 [2020-10-16 12:11:15,819 INFO L226 Difference]: Without dead ends: 976 [2020-10-16 12:11:15,819 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 12:11:15,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2020-10-16 12:11:15,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 976. [2020-10-16 12:11:15,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 976 states. [2020-10-16 12:11:15,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 3481 transitions. [2020-10-16 12:11:15,857 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 3481 transitions. Word has length 13 [2020-10-16 12:11:15,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:11:15,857 INFO L481 AbstractCegarLoop]: Abstraction has 976 states and 3481 transitions. [2020-10-16 12:11:15,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:11:15,858 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 3481 transitions. [2020-10-16 12:11:15,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:11:15,859 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:11:15,859 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:11:15,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:11:15,860 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:11:15,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:11:15,860 INFO L82 PathProgramCache]: Analyzing trace with hash 842231876, now seen corresponding path program 1 times [2020-10-16 12:11:15,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:11:15,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572172533] [2020-10-16 12:11:15,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:11:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:11:16,310 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 12:11:16,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572172533] [2020-10-16 12:11:16,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:11:16,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:11:16,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138290737] [2020-10-16 12:11:16,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:11:16,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:11:16,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:11:16,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:11:16,313 INFO L87 Difference]: Start difference. First operand 976 states and 3481 transitions. Second operand 8 states. [2020-10-16 12:11:16,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:11:16,633 INFO L93 Difference]: Finished difference Result 1004 states and 3593 transitions. [2020-10-16 12:11:16,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:11:16,635 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2020-10-16 12:11:16,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:11:16,644 INFO L225 Difference]: With dead ends: 1004 [2020-10-16 12:11:16,645 INFO L226 Difference]: Without dead ends: 1004 [2020-10-16 12:11:16,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:11:16,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2020-10-16 12:11:16,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 1002. [2020-10-16 12:11:16,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1002 states. [2020-10-16 12:11:16,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 3587 transitions. [2020-10-16 12:11:16,680 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 3587 transitions. Word has length 14 [2020-10-16 12:11:16,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:11:16,680 INFO L481 AbstractCegarLoop]: Abstraction has 1002 states and 3587 transitions. [2020-10-16 12:11:16,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:11:16,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 3587 transitions. [2020-10-16 12:11:16,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 12:11:16,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:11:16,682 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:11:16,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:11:16,683 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:11:16,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:11:16,683 INFO L82 PathProgramCache]: Analyzing trace with hash -135037929, now seen corresponding path program 1 times [2020-10-16 12:11:16,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:11:16,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189939782] [2020-10-16 12:11:16,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:11:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:11:16,792 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 12:11:16,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189939782] [2020-10-16 12:11:16,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:11:16,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:11:16,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623425931] [2020-10-16 12:11:16,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:11:16,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:11:16,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:11:16,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:11:16,795 INFO L87 Difference]: Start difference. First operand 1002 states and 3587 transitions. Second operand 4 states. [2020-10-16 12:11:16,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:11:16,842 INFO L93 Difference]: Finished difference Result 1056 states and 3426 transitions. [2020-10-16 12:11:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:11:16,843 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-16 12:11:16,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:11:16,849 INFO L225 Difference]: With dead ends: 1056 [2020-10-16 12:11:16,849 INFO L226 Difference]: Without dead ends: 786 [2020-10-16 12:11:16,850 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 12:11:16,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2020-10-16 12:11:16,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 778. [2020-10-16 12:11:16,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 778 states. [2020-10-16 12:11:16,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 2507 transitions. [2020-10-16 12:11:16,874 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 2507 transitions. Word has length 15 [2020-10-16 12:11:16,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:11:16,875 INFO L481 AbstractCegarLoop]: Abstraction has 778 states and 2507 transitions. [2020-10-16 12:11:16,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:11:16,875 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 2507 transitions. [2020-10-16 12:11:16,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 12:11:16,877 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:11:16,877 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:11:16,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:11:16,877 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:11:16,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:11:16,878 INFO L82 PathProgramCache]: Analyzing trace with hash -406628143, now seen corresponding path program 1 times [2020-10-16 12:11:16,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:11:16,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748093397] [2020-10-16 12:11:16,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:11:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:11:17,371 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 12:11:17,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748093397] [2020-10-16 12:11:17,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:11:17,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:11:17,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400872452] [2020-10-16 12:11:17,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:11:17,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:11:17,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:11:17,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:11:17,373 INFO L87 Difference]: Start difference. First operand 778 states and 2507 transitions. Second operand 8 states. [2020-10-16 12:11:17,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:11:17,735 INFO L93 Difference]: Finished difference Result 870 states and 2809 transitions. [2020-10-16 12:11:17,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:11:17,736 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2020-10-16 12:11:17,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:11:17,743 INFO L225 Difference]: With dead ends: 870 [2020-10-16 12:11:17,744 INFO L226 Difference]: Without dead ends: 870 [2020-10-16 12:11:17,744 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:11:17,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2020-10-16 12:11:17,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 866. [2020-10-16 12:11:17,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 866 states. [2020-10-16 12:11:17,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 2798 transitions. [2020-10-16 12:11:17,769 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 2798 transitions. Word has length 16 [2020-10-16 12:11:17,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:11:17,770 INFO L481 AbstractCegarLoop]: Abstraction has 866 states and 2798 transitions. [2020-10-16 12:11:17,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:11:17,770 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 2798 transitions. [2020-10-16 12:11:17,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-16 12:11:17,772 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:11:17,772 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:11:17,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:11:17,772 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:11:17,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:11:17,773 INFO L82 PathProgramCache]: Analyzing trace with hash -521469095, now seen corresponding path program 1 times [2020-10-16 12:11:17,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:11:17,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509219081] [2020-10-16 12:11:17,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:11:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:11:17,878 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 12:11:17,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509219081] [2020-10-16 12:11:17,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:11:17,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:11:17,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479005009] [2020-10-16 12:11:17,879 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:11:17,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:11:17,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:11:17,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:11:17,881 INFO L87 Difference]: Start difference. First operand 866 states and 2798 transitions. Second operand 5 states. [2020-10-16 12:11:17,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:11:17,942 INFO L93 Difference]: Finished difference Result 767 states and 2242 transitions. [2020-10-16 12:11:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:11:17,943 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-16 12:11:17,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:11:17,948 INFO L225 Difference]: With dead ends: 767 [2020-10-16 12:11:17,948 INFO L226 Difference]: Without dead ends: 560 [2020-10-16 12:11:17,948 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 12:11:17,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-16 12:11:17,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 544. [2020-10-16 12:11:17,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2020-10-16 12:11:17,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 1534 transitions. [2020-10-16 12:11:17,963 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 1534 transitions. Word has length 17 [2020-10-16 12:11:17,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:11:17,963 INFO L481 AbstractCegarLoop]: Abstraction has 544 states and 1534 transitions. [2020-10-16 12:11:17,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:11:17,964 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 1534 transitions. [2020-10-16 12:11:17,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-16 12:11:17,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:11:17,965 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 12:11:17,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:11:17,966 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:11:17,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:11:17,966 INFO L82 PathProgramCache]: Analyzing trace with hash -977153279, now seen corresponding path program 1 times [2020-10-16 12:11:17,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:11:17,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712424389] [2020-10-16 12:11:17,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:11:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:11:18,188 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 12:11:18,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712424389] [2020-10-16 12:11:18,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:11:18,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:11:18,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936370065] [2020-10-16 12:11:18,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:11:18,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:11:18,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:11:18,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:11:18,191 INFO L87 Difference]: Start difference. First operand 544 states and 1534 transitions. Second operand 8 states. [2020-10-16 12:11:18,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:11:18,628 INFO L93 Difference]: Finished difference Result 1102 states and 3102 transitions. [2020-10-16 12:11:18,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 12:11:18,629 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2020-10-16 12:11:18,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:11:18,636 INFO L225 Difference]: With dead ends: 1102 [2020-10-16 12:11:18,637 INFO L226 Difference]: Without dead ends: 1102 [2020-10-16 12:11:18,637 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:11:18,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2020-10-16 12:11:18,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 644. [2020-10-16 12:11:18,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 644 states. [2020-10-16 12:11:18,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 1826 transitions. [2020-10-16 12:11:18,672 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 1826 transitions. Word has length 19 [2020-10-16 12:11:18,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:11:18,672 INFO L481 AbstractCegarLoop]: Abstraction has 644 states and 1826 transitions. [2020-10-16 12:11:18,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:11:18,673 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1826 transitions. [2020-10-16 12:11:18,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-16 12:11:18,674 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:11:18,674 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 12:11:18,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 12:11:18,675 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:11:18,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:11:18,675 INFO L82 PathProgramCache]: Analyzing trace with hash -958235994, now seen corresponding path program 1 times [2020-10-16 12:11:18,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:11:18,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762704893] [2020-10-16 12:11:18,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:11:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:11:18,845 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 12:11:18,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762704893] [2020-10-16 12:11:18,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:11:18,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:11:18,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557580162] [2020-10-16 12:11:18,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:11:18,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:11:18,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:11:18,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:11:18,847 INFO L87 Difference]: Start difference. First operand 644 states and 1826 transitions. Second operand 6 states. [2020-10-16 12:11:18,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:11:18,914 INFO L93 Difference]: Finished difference Result 554 states and 1522 transitions. [2020-10-16 12:11:18,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:11:18,915 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-10-16 12:11:18,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:11:18,920 INFO L225 Difference]: With dead ends: 554 [2020-10-16 12:11:18,920 INFO L226 Difference]: Without dead ends: 462 [2020-10-16 12:11:18,920 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 12:11:18,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2020-10-16 12:11:18,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 410. [2020-10-16 12:11:18,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2020-10-16 12:11:18,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 1122 transitions. [2020-10-16 12:11:18,934 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 1122 transitions. Word has length 19 [2020-10-16 12:11:18,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:11:18,935 INFO L481 AbstractCegarLoop]: Abstraction has 410 states and 1122 transitions. [2020-10-16 12:11:18,935 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:11:18,935 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 1122 transitions. [2020-10-16 12:11:18,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-16 12:11:18,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:11:18,937 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] [2020-10-16 12:11:18,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 12:11:18,937 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:11:18,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:11:18,938 INFO L82 PathProgramCache]: Analyzing trace with hash -402143788, now seen corresponding path program 1 times [2020-10-16 12:11:18,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:11:18,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289639201] [2020-10-16 12:11:18,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:11:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:11:19,475 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 12:11:19,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289639201] [2020-10-16 12:11:19,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:11:19,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-16 12:11:19,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122364160] [2020-10-16 12:11:19,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 12:11:19,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:11:19,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 12:11:19,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:11:19,478 INFO L87 Difference]: Start difference. First operand 410 states and 1122 transitions. Second operand 9 states. [2020-10-16 12:11:20,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:11:20,445 INFO L93 Difference]: Finished difference Result 837 states and 2265 transitions. [2020-10-16 12:11:20,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-16 12:11:20,450 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-16 12:11:20,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:11:20,454 INFO L225 Difference]: With dead ends: 837 [2020-10-16 12:11:20,455 INFO L226 Difference]: Without dead ends: 753 [2020-10-16 12:11:20,455 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2020-10-16 12:11:20,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2020-10-16 12:11:20,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 394. [2020-10-16 12:11:20,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-16 12:11:20,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 1072 transitions. [2020-10-16 12:11:20,467 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 1072 transitions. Word has length 21 [2020-10-16 12:11:20,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:11:20,468 INFO L481 AbstractCegarLoop]: Abstraction has 394 states and 1072 transitions. [2020-10-16 12:11:20,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 12:11:20,468 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 1072 transitions. [2020-10-16 12:11:20,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-16 12:11:20,469 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:11:20,470 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] [2020-10-16 12:11:20,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 12:11:20,470 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:11:20,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:11:20,470 INFO L82 PathProgramCache]: Analyzing trace with hash -202263770, now seen corresponding path program 2 times [2020-10-16 12:11:20,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:11:20,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955905052] [2020-10-16 12:11:20,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:11:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:11:20,782 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 12:11:20,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955905052] [2020-10-16 12:11:20,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:11:20,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-16 12:11:20,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026824805] [2020-10-16 12:11:20,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 12:11:20,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:11:20,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 12:11:20,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:11:20,784 INFO L87 Difference]: Start difference. First operand 394 states and 1072 transitions. Second operand 9 states. [2020-10-16 12:11:21,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:11:21,139 INFO L93 Difference]: Finished difference Result 763 states and 2026 transitions. [2020-10-16 12:11:21,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 12:11:21,140 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-16 12:11:21,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:11:21,145 INFO L225 Difference]: With dead ends: 763 [2020-10-16 12:11:21,145 INFO L226 Difference]: Without dead ends: 763 [2020-10-16 12:11:21,146 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:11:21,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2020-10-16 12:11:21,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 436. [2020-10-16 12:11:21,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2020-10-16 12:11:21,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 1180 transitions. [2020-10-16 12:11:21,162 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 1180 transitions. Word has length 21 [2020-10-16 12:11:21,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:11:21,162 INFO L481 AbstractCegarLoop]: Abstraction has 436 states and 1180 transitions. [2020-10-16 12:11:21,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 12:11:21,162 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 1180 transitions. [2020-10-16 12:11:21,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-16 12:11:21,167 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:11:21,167 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] [2020-10-16 12:11:21,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 12:11:21,167 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:11:21,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:11:21,168 INFO L82 PathProgramCache]: Analyzing trace with hash -422557202, now seen corresponding path program 3 times [2020-10-16 12:11:21,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:11:21,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665743709] [2020-10-16 12:11:21,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:11:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:11:21,750 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 12:11:21,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665743709] [2020-10-16 12:11:21,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:11:21,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-16 12:11:21,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509087795] [2020-10-16 12:11:21,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-16 12:11:21,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:11:21,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-16 12:11:21,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:11:21,752 INFO L87 Difference]: Start difference. First operand 436 states and 1180 transitions. Second operand 10 states. [2020-10-16 12:11:23,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:11:23,117 INFO L93 Difference]: Finished difference Result 865 states and 2325 transitions. [2020-10-16 12:11:23,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-16 12:11:23,118 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2020-10-16 12:11:23,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:11:23,123 INFO L225 Difference]: With dead ends: 865 [2020-10-16 12:11:23,123 INFO L226 Difference]: Without dead ends: 801 [2020-10-16 12:11:23,123 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=137, Invalid=415, Unknown=0, NotChecked=0, Total=552 [2020-10-16 12:11:23,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2020-10-16 12:11:23,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 440. [2020-10-16 12:11:23,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2020-10-16 12:11:23,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 1190 transitions. [2020-10-16 12:11:23,136 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 1190 transitions. Word has length 21 [2020-10-16 12:11:23,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:11:23,137 INFO L481 AbstractCegarLoop]: Abstraction has 440 states and 1190 transitions. [2020-10-16 12:11:23,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-16 12:11:23,137 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 1190 transitions. [2020-10-16 12:11:23,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-16 12:11:23,138 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:11:23,138 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] [2020-10-16 12:11:23,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 12:11:23,139 INFO L429 AbstractCegarLoop]: === Iteration 14 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:11:23,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:11:23,139 INFO L82 PathProgramCache]: Analyzing trace with hash 575124820, now seen corresponding path program 4 times [2020-10-16 12:11:23,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:11:23,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585257081] [2020-10-16 12:11:23,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:11:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:11:23,870 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 12:11:23,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585257081] [2020-10-16 12:11:23,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:11:23,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-16 12:11:23,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064772335] [2020-10-16 12:11:23,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-16 12:11:23,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:11:23,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-16 12:11:23,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2020-10-16 12:11:23,872 INFO L87 Difference]: Start difference. First operand 440 states and 1190 transitions. Second operand 13 states. [2020-10-16 12:11:24,947 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-10-16 12:11:25,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:11:25,276 INFO L93 Difference]: Finished difference Result 705 states and 1960 transitions. [2020-10-16 12:11:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-16 12:11:25,277 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 21 [2020-10-16 12:11:25,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:11:25,282 INFO L225 Difference]: With dead ends: 705 [2020-10-16 12:11:25,282 INFO L226 Difference]: Without dead ends: 676 [2020-10-16 12:11:25,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2020-10-16 12:11:25,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2020-10-16 12:11:25,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 522. [2020-10-16 12:11:25,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 522 states. [2020-10-16 12:11:25,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 1440 transitions. [2020-10-16 12:11:25,297 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 1440 transitions. Word has length 21 [2020-10-16 12:11:25,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:11:25,297 INFO L481 AbstractCegarLoop]: Abstraction has 522 states and 1440 transitions. [2020-10-16 12:11:25,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-16 12:11:25,297 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 1440 transitions. [2020-10-16 12:11:25,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-16 12:11:25,299 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:11:25,299 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] [2020-10-16 12:11:25,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-16 12:11:25,299 INFO L429 AbstractCegarLoop]: === Iteration 15 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:11:25,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:11:25,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1849265586, now seen corresponding path program 5 times [2020-10-16 12:11:25,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:11:25,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209702779] [2020-10-16 12:11:25,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:11:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:11:25,625 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 41 [2020-10-16 12:11:25,906 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 12:11:25,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209702779] [2020-10-16 12:11:25,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:11:25,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-16 12:11:25,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959594919] [2020-10-16 12:11:25,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 12:11:25,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:11:25,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 12:11:25,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:11:25,909 INFO L87 Difference]: Start difference. First operand 522 states and 1440 transitions. Second operand 9 states. [2020-10-16 12:11:26,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:11:26,467 INFO L93 Difference]: Finished difference Result 812 states and 2234 transitions. [2020-10-16 12:11:26,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 12:11:26,468 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-16 12:11:26,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:11:26,471 INFO L225 Difference]: With dead ends: 812 [2020-10-16 12:11:26,471 INFO L226 Difference]: Without dead ends: 754 [2020-10-16 12:11:26,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:11:26,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2020-10-16 12:11:26,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 580. [2020-10-16 12:11:26,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-10-16 12:11:26,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 1625 transitions. [2020-10-16 12:11:26,486 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 1625 transitions. Word has length 21 [2020-10-16 12:11:26,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:11:26,486 INFO L481 AbstractCegarLoop]: Abstraction has 580 states and 1625 transitions. [2020-10-16 12:11:26,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 12:11:26,487 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1625 transitions. [2020-10-16 12:11:26,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-16 12:11:26,488 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:11:26,489 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] [2020-10-16 12:11:26,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-16 12:11:26,489 INFO L429 AbstractCegarLoop]: === Iteration 16 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:11:26,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:11:26,489 INFO L82 PathProgramCache]: Analyzing trace with hash 572746236, now seen corresponding path program 6 times [2020-10-16 12:11:26,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:11:26,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358086011] [2020-10-16 12:11:26,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:11:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:11:26,860 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-10-16 12:11:27,011 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 40 [2020-10-16 12:11:27,137 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 12:11:27,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358086011] [2020-10-16 12:11:27,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:11:27,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-16 12:11:27,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864381365] [2020-10-16 12:11:27,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 12:11:27,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:11:27,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 12:11:27,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:11:27,139 INFO L87 Difference]: Start difference. First operand 580 states and 1625 transitions. Second operand 9 states. [2020-10-16 12:11:27,619 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-10-16 12:11:27,763 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-10-16 12:11:27,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:11:27,861 INFO L93 Difference]: Finished difference Result 800 states and 2235 transitions. [2020-10-16 12:11:27,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 12:11:27,862 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-16 12:11:27,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:11:27,868 INFO L225 Difference]: With dead ends: 800 [2020-10-16 12:11:27,869 INFO L226 Difference]: Without dead ends: 800 [2020-10-16 12:11:27,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:11:27,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-10-16 12:11:27,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 604. [2020-10-16 12:11:27,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-10-16 12:11:27,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 1693 transitions. [2020-10-16 12:11:27,885 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 1693 transitions. Word has length 21 [2020-10-16 12:11:27,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:11:27,886 INFO L481 AbstractCegarLoop]: Abstraction has 604 states and 1693 transitions. [2020-10-16 12:11:27,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 12:11:27,886 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1693 transitions. [2020-10-16 12:11:27,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-16 12:11:27,888 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:11:27,888 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] [2020-10-16 12:11:27,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-16 12:11:27,888 INFO L429 AbstractCegarLoop]: === Iteration 17 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:11:27,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:11:27,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1498422226, now seen corresponding path program 7 times [2020-10-16 12:11:27,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:11:27,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787303301] [2020-10-16 12:11:27,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:11:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:11:28,093 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 12:11:28,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787303301] [2020-10-16 12:11:28,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:11:28,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:11:28,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356952479] [2020-10-16 12:11:28,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:11:28,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:11:28,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:11:28,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:11:28,096 INFO L87 Difference]: Start difference. First operand 604 states and 1693 transitions. Second operand 7 states. [2020-10-16 12:11:28,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:11:28,227 INFO L93 Difference]: Finished difference Result 579 states and 1641 transitions. [2020-10-16 12:11:28,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 12:11:28,229 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2020-10-16 12:11:28,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:11:28,241 INFO L225 Difference]: With dead ends: 579 [2020-10-16 12:11:28,241 INFO L226 Difference]: Without dead ends: 561 [2020-10-16 12:11:28,245 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 12:11:28,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2020-10-16 12:11:28,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 397. [2020-10-16 12:11:28,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-10-16 12:11:28,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 1123 transitions. [2020-10-16 12:11:28,268 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 1123 transitions. Word has length 21 [2020-10-16 12:11:28,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:11:28,269 INFO L481 AbstractCegarLoop]: Abstraction has 397 states and 1123 transitions. [2020-10-16 12:11:28,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:11:28,269 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 1123 transitions. [2020-10-16 12:11:28,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-16 12:11:28,271 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:11:28,271 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] [2020-10-16 12:11:28,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-16 12:11:28,272 INFO L429 AbstractCegarLoop]: === Iteration 18 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:11:28,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:11:28,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1242988323, now seen corresponding path program 1 times [2020-10-16 12:11:28,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:11:28,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561365485] [2020-10-16 12:11:28,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:11:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:11:28,751 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2020-10-16 12:11:29,021 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 12:11:29,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561365485] [2020-10-16 12:11:29,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:11:29,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-16 12:11:29,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727079897] [2020-10-16 12:11:29,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-16 12:11:29,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:11:29,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-16 12:11:29,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:11:29,023 INFO L87 Difference]: Start difference. First operand 397 states and 1123 transitions. Second operand 10 states. [2020-10-16 12:11:29,774 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2020-10-16 12:11:29,919 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-10-16 12:11:29,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:11:29,989 INFO L93 Difference]: Finished difference Result 817 states and 2191 transitions. [2020-10-16 12:11:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 12:11:29,991 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2020-10-16 12:11:29,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:11:29,993 INFO L225 Difference]: With dead ends: 817 [2020-10-16 12:11:29,993 INFO L226 Difference]: Without dead ends: 629 [2020-10-16 12:11:29,994 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2020-10-16 12:11:29,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2020-10-16 12:11:30,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 377. [2020-10-16 12:11:30,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2020-10-16 12:11:30,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 1051 transitions. [2020-10-16 12:11:30,005 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 1051 transitions. Word has length 24 [2020-10-16 12:11:30,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:11:30,005 INFO L481 AbstractCegarLoop]: Abstraction has 377 states and 1051 transitions. [2020-10-16 12:11:30,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-16 12:11:30,006 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 1051 transitions. [2020-10-16 12:11:30,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-16 12:11:30,007 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:11:30,007 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] [2020-10-16 12:11:30,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-16 12:11:30,007 INFO L429 AbstractCegarLoop]: === Iteration 19 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:11:30,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:11:30,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1572770171, now seen corresponding path program 2 times [2020-10-16 12:11:30,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:11:30,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134611648] [2020-10-16 12:11:30,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:11:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:11:30,065 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 12:11:30,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134611648] [2020-10-16 12:11:30,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:11:30,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:11:30,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153445644] [2020-10-16 12:11:30,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:11:30,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:11:30,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:11:30,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:11:30,067 INFO L87 Difference]: Start difference. First operand 377 states and 1051 transitions. Second operand 4 states. [2020-10-16 12:11:30,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:11:30,089 INFO L93 Difference]: Finished difference Result 559 states and 1570 transitions. [2020-10-16 12:11:30,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 12:11:30,090 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-10-16 12:11:30,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:11:30,092 INFO L225 Difference]: With dead ends: 559 [2020-10-16 12:11:30,092 INFO L226 Difference]: Without dead ends: 257 [2020-10-16 12:11:30,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 12:11:30,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-10-16 12:11:30,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2020-10-16 12:11:30,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-10-16 12:11:30,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 690 transitions. [2020-10-16 12:11:30,098 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 690 transitions. Word has length 24 [2020-10-16 12:11:30,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:11:30,098 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 690 transitions. [2020-10-16 12:11:30,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:11:30,099 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 690 transitions. [2020-10-16 12:11:30,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-16 12:11:30,100 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:11:30,100 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] [2020-10-16 12:11:30,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-16 12:11:30,100 INFO L429 AbstractCegarLoop]: === Iteration 20 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:11:30,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:11:30,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1277780317, now seen corresponding path program 3 times [2020-10-16 12:11:30,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:11:30,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391239102] [2020-10-16 12:11:30,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:11:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:11:30,606 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 53 [2020-10-16 12:11:30,758 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2020-10-16 12:11:30,915 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 43 [2020-10-16 12:11:31,050 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 40 [2020-10-16 12:11:31,189 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2020-10-16 12:11:31,769 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 12:11:31,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391239102] [2020-10-16 12:11:31,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:11:31,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-16 12:11:31,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336461878] [2020-10-16 12:11:31,770 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-16 12:11:31,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:11:31,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-16 12:11:31,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2020-10-16 12:11:31,770 INFO L87 Difference]: Start difference. First operand 257 states and 690 transitions. Second operand 15 states. [2020-10-16 12:11:32,503 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2020-10-16 12:11:32,675 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2020-10-16 12:11:32,966 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2020-10-16 12:11:33,222 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2020-10-16 12:11:33,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:11:33,643 INFO L93 Difference]: Finished difference Result 440 states and 1159 transitions. [2020-10-16 12:11:33,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-16 12:11:33,649 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 24 [2020-10-16 12:11:33,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:11:33,650 INFO L225 Difference]: With dead ends: 440 [2020-10-16 12:11:33,650 INFO L226 Difference]: Without dead ends: 400 [2020-10-16 12:11:33,650 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2020-10-16 12:11:33,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2020-10-16 12:11:33,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 315. [2020-10-16 12:11:33,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2020-10-16 12:11:33,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 846 transitions. [2020-10-16 12:11:33,659 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 846 transitions. Word has length 24 [2020-10-16 12:11:33,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:11:33,659 INFO L481 AbstractCegarLoop]: Abstraction has 315 states and 846 transitions. [2020-10-16 12:11:33,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-16 12:11:33,660 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 846 transitions. [2020-10-16 12:11:33,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-16 12:11:33,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:11:33,661 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] [2020-10-16 12:11:33,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-16 12:11:33,662 INFO L429 AbstractCegarLoop]: === Iteration 21 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:11:33,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:11:33,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1146610089, now seen corresponding path program 4 times [2020-10-16 12:11:33,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:11:33,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574960200] [2020-10-16 12:11:33,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:11:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:11:34,072 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 41 [2020-10-16 12:11:34,195 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 38 [2020-10-16 12:11:34,523 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 12:11:34,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574960200] [2020-10-16 12:11:34,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:11:34,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-16 12:11:34,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199566094] [2020-10-16 12:11:34,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-16 12:11:34,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:11:34,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-16 12:11:34,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:11:34,525 INFO L87 Difference]: Start difference. First operand 315 states and 846 transitions. Second operand 10 states. [2020-10-16 12:11:35,134 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2020-10-16 12:11:35,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:11:35,204 INFO L93 Difference]: Finished difference Result 493 states and 1276 transitions. [2020-10-16 12:11:35,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:11:35,206 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2020-10-16 12:11:35,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:11:35,207 INFO L225 Difference]: With dead ends: 493 [2020-10-16 12:11:35,207 INFO L226 Difference]: Without dead ends: 400 [2020-10-16 12:11:35,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-16 12:11:35,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2020-10-16 12:11:35,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 331. [2020-10-16 12:11:35,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2020-10-16 12:11:35,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 870 transitions. [2020-10-16 12:11:35,216 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 870 transitions. Word has length 24 [2020-10-16 12:11:35,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:11:35,216 INFO L481 AbstractCegarLoop]: Abstraction has 331 states and 870 transitions. [2020-10-16 12:11:35,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-16 12:11:35,216 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 870 transitions. [2020-10-16 12:11:35,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-16 12:11:35,217 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:11:35,218 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] [2020-10-16 12:11:35,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-16 12:11:35,218 INFO L429 AbstractCegarLoop]: === Iteration 22 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:11:35,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:11:35,218 INFO L82 PathProgramCache]: Analyzing trace with hash -640698307, now seen corresponding path program 5 times [2020-10-16 12:11:35,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:11:35,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839547791] [2020-10-16 12:11:35,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:11:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:11:35,592 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2020-10-16 12:11:35,779 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2020-10-16 12:11:36,017 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-10-16 12:11:36,269 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 12:11:36,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839547791] [2020-10-16 12:11:36,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:11:36,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-16 12:11:36,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938070568] [2020-10-16 12:11:36,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-16 12:11:36,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:11:36,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-16 12:11:36,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:11:36,271 INFO L87 Difference]: Start difference. First operand 331 states and 870 transitions. Second operand 10 states. [2020-10-16 12:11:36,691 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2020-10-16 12:11:36,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:11:36,764 INFO L93 Difference]: Finished difference Result 535 states and 1369 transitions. [2020-10-16 12:11:36,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 12:11:36,765 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2020-10-16 12:11:36,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:11:36,767 INFO L225 Difference]: With dead ends: 535 [2020-10-16 12:11:36,767 INFO L226 Difference]: Without dead ends: 411 [2020-10-16 12:11:36,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:11:36,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2020-10-16 12:11:36,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 324. [2020-10-16 12:11:36,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-10-16 12:11:36,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 846 transitions. [2020-10-16 12:11:36,780 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 846 transitions. Word has length 24 [2020-10-16 12:11:36,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:11:36,780 INFO L481 AbstractCegarLoop]: Abstraction has 324 states and 846 transitions. [2020-10-16 12:11:36,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-16 12:11:36,780 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 846 transitions. [2020-10-16 12:11:36,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-16 12:11:36,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:11:36,786 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] [2020-10-16 12:11:36,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-16 12:11:36,786 INFO L429 AbstractCegarLoop]: === Iteration 23 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:11:36,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:11:36,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1669415775, now seen corresponding path program 6 times [2020-10-16 12:11:36,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:11:36,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108902578] [2020-10-16 12:11:36,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:11:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:11:36,890 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:11:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:11:36,984 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:11:37,058 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:11:37,059 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:11:37,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-16 12:11:37,061 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 12:11:37,097 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1791] [1791] L4-->L891: Formula: (let ((.cse8 (= (mod ~x$r_buff1_thd0~0_In1337788584 256) 0)) (.cse7 (= (mod ~x$w_buff1_used~0_In1337788584 256) 0)) (.cse9 (= (mod ~x$r_buff0_thd0~0_In1337788584 256) 0)) (.cse10 (= (mod ~x$w_buff0_used~0_In1337788584 256) 0))) (let ((.cse2 (or .cse9 .cse10)) (.cse0 (not .cse10)) (.cse1 (not .cse9)) (.cse6 (or .cse8 .cse7)) (.cse3 (not .cse8)) (.cse4 (not .cse7))) (and (or (and (= ~x$w_buff0_used~0_Out1337788584 0) .cse0 .cse1) (and (= ~x$w_buff0_used~0_Out1337788584 ~x$w_buff0_used~0_In1337788584) .cse2)) (let ((.cse5 (select |#memory_int_In1337788584| |~#x~0.base_In1337788584|))) (or (and (or (and .cse3 .cse4 (= |#memory_int_Out1337788584| (store |#memory_int_In1337788584| |~#x~0.base_In1337788584| (store .cse5 |~#x~0.offset_In1337788584| ~x$w_buff1~0_In1337788584)))) (and .cse6 (= |#memory_int_Out1337788584| (store |#memory_int_In1337788584| |~#x~0.base_In1337788584| (store .cse5 |~#x~0.offset_In1337788584| (select .cse5 |~#x~0.offset_In1337788584|)))))) .cse2) (and (= (store |#memory_int_In1337788584| |~#x~0.base_In1337788584| (store .cse5 |~#x~0.offset_In1337788584| ~x$w_buff0~0_In1337788584)) |#memory_int_Out1337788584|) .cse0 .cse1))) (= ~x$r_buff0_thd0~0_In1337788584 ~x$r_buff0_thd0~0_Out1337788584) (= ~x$r_buff1_thd0~0_Out1337788584 ~x$r_buff1_thd0~0_In1337788584) (not (= ULTIMATE.start_assume_abort_if_not_~cond_In1337788584 0)) (or (and .cse6 (= ~x$w_buff1_used~0_In1337788584 ~x$w_buff1_used~0_Out1337788584)) (and (= 0 ~x$w_buff1_used~0_Out1337788584) .cse3 .cse4))))) InVars {~x$w_buff0~0=~x$w_buff0~0_In1337788584, ~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In1337788584, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In1337788584, ~#x~0.offset=|~#x~0.offset_In1337788584|, ~x$w_buff1~0=~x$w_buff1~0_In1337788584, #memory_int=|#memory_int_In1337788584|, ~#x~0.base=|~#x~0.base_In1337788584|, ~x$w_buff1_used~0=~x$w_buff1_used~0_In1337788584, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_In1337788584, ~x$w_buff0_used~0=~x$w_buff0_used~0_In1337788584} OutVars{~x$w_buff0~0=~x$w_buff0~0_In1337788584, ~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_Out1337788584, ~#x~0.offset=|~#x~0.offset_In1337788584|, ~x$w_buff1~0=~x$w_buff1~0_In1337788584, ~x$w_buff1_used~0=~x$w_buff1_used~0_Out1337788584, ULTIMATE.start_main_#t~ite104=|ULTIMATE.start_main_#t~ite104_Out1337788584|, ULTIMATE.start_main_#t~ite105=|ULTIMATE.start_main_#t~ite105_Out1337788584|, ULTIMATE.start_main_#t~ite106=|ULTIMATE.start_main_#t~ite106_Out1337788584|, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_Out1337788584, ULTIMATE.start_main_#t~ite107=|ULTIMATE.start_main_#t~ite107_Out1337788584|, ULTIMATE.start_main_#t~ite108=|ULTIMATE.start_main_#t~ite108_Out1337788584|, ULTIMATE.start_main_#t~ite109=|ULTIMATE.start_main_#t~ite109_Out1337788584|, ~x$w_buff0_used~0=~x$w_buff0_used~0_Out1337788584, ULTIMATE.start_main_#t~mem103=|ULTIMATE.start_main_#t~mem103_Out1337788584|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In1337788584, #memory_int=|#memory_int_Out1337788584|, ~#x~0.base=|~#x~0.base_In1337788584|} AuxVars[] AssignedVars[~x$r_buff0_thd0~0, ULTIMATE.start_main_#t~mem103, #memory_int, ~x$w_buff1_used~0, ULTIMATE.start_main_#t~ite104, ULTIMATE.start_main_#t~ite105, ULTIMATE.start_main_#t~ite106, ~x$r_buff1_thd0~0, ULTIMATE.start_main_#t~ite107, ULTIMATE.start_main_#t~ite108, ULTIMATE.start_main_#t~ite109, ~x$w_buff0_used~0] because there is no mapped edge [2020-10-16 12:11:37,114 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 12:11:37,115 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,116 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 12:11:37,116 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,117 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 12:11:37,117 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,117 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 12:11:37,117 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,117 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 12:11:37,117 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,117 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 12:11:37,118 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,118 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 12:11:37,118 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,118 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 12:11:37,118 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,118 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 12:11:37,119 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,119 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 12:11:37,119 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,119 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 12:11:37,119 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,120 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 12:11:37,120 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,125 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 12:11:37,125 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,125 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 12:11:37,126 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,126 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 12:11:37,126 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,127 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 12:11:37,127 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,127 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 12:11:37,127 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,127 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 12:11:37,127 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,128 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 12:11:37,128 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,128 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 12:11:37,128 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,128 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 12:11:37,128 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,130 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 12:11:37,130 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,130 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 12:11:37,130 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,130 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 12:11:37,131 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,131 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 12:11:37,131 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,131 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 12:11:37,131 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,131 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 12:11:37,131 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,132 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 12:11:37,132 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,132 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 12:11:37,132 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,132 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 12:11:37,132 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,133 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 12:11:37,133 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,133 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 12:11:37,133 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,134 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 12:11:37,134 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,134 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 12:11:37,134 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,134 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 12:11:37,135 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,135 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 12:11:37,135 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,135 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 12:11:37,136 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,136 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 12:11:37,136 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,136 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 12:11:37,136 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,136 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 12:11:37,136 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,137 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 12:11:37,137 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,137 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 12:11:37,137 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,138 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 12:11:37,138 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,138 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 12:11:37,138 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,138 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 12:11:37,138 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,138 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 12:11:37,138 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,140 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 12:11:37,140 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:11:37,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:11:37 BasicIcfg [2020-10-16 12:11:37,265 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:11:37,267 INFO L168 Benchmark]: Toolchain (without parser) took 39445.98 ms. Allocated memory was 146.8 MB in the beginning and 630.2 MB in the end (delta: 483.4 MB). Free memory was 101.3 MB in the beginning and 383.0 MB in the end (delta: -281.7 MB). Peak memory consumption was 201.6 MB. Max. memory is 7.1 GB. [2020-10-16 12:11:37,267 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 146.8 MB. Free memory was 121.6 MB in the beginning and 121.1 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-16 12:11:37,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 846.83 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 100.9 MB in the beginning and 153.2 MB in the end (delta: -52.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2020-10-16 12:11:37,268 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.63 ms. Allocated memory is still 203.4 MB. Free memory was 153.2 MB in the beginning and 150.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-16 12:11:37,269 INFO L168 Benchmark]: Boogie Preprocessor took 58.40 ms. Allocated memory is still 203.4 MB. Free memory was 150.3 MB in the beginning and 146.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2020-10-16 12:11:37,269 INFO L168 Benchmark]: RCFGBuilder took 3936.66 ms. Allocated memory was 203.4 MB in the beginning and 298.3 MB in the end (delta: 94.9 MB). Free memory was 146.5 MB in the beginning and 175.3 MB in the end (delta: -28.8 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. [2020-10-16 12:11:37,270 INFO L168 Benchmark]: TraceAbstraction took 34529.37 ms. Allocated memory was 298.3 MB in the beginning and 630.2 MB in the end (delta: 331.9 MB). Free memory was 175.3 MB in the beginning and 383.0 MB in the end (delta: -207.7 MB). Peak memory consumption was 124.1 MB. Max. memory is 7.1 GB. [2020-10-16 12:11:37,280 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 146.8 MB. Free memory was 121.6 MB in the beginning and 121.1 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 846.83 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 100.9 MB in the beginning and 153.2 MB in the end (delta: -52.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 68.63 ms. Allocated memory is still 203.4 MB. Free memory was 153.2 MB in the beginning and 150.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.40 ms. Allocated memory is still 203.4 MB. Free memory was 150.3 MB in the beginning and 146.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3936.66 ms. Allocated memory was 203.4 MB in the beginning and 298.3 MB in the end (delta: 94.9 MB). Free memory was 146.5 MB in the beginning and 175.3 MB in the end (delta: -28.8 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 34529.37 ms. Allocated memory was 298.3 MB in the beginning and 630.2 MB in the end (delta: 331.9 MB). Free memory was 175.3 MB in the beginning and 383.0 MB in the end (delta: -207.7 MB). Peak memory consumption was 124.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1117 VarBasedMoverChecksPositive, 60 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 87 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 11.3s, 138 PlacesBefore, 43 PlacesAfterwards, 127 TransitionsBefore, 30 TransitionsAfterwards, 2274 CoEnabledTransitionPairs, 8 FixpointIterations, 55 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 108 TotalNumberOfCompositions, 6559 MoverChecksTotal - CounterExampleResult [Line: 8]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L700] 0 int __unbuffered_cnt = 0; [L702] 0 int __unbuffered_p0_EAX = 0; [L704] 0 int __unbuffered_p0_EBX = 0; [L706] 0 int __unbuffered_p2_EAX = 0; [L707] 0 _Bool __unbuffered_p2_EAX$flush_delayed; [L708] 0 int __unbuffered_p2_EAX$mem_tmp; [L709] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd0; [L710] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd1; [L711] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd2; [L712] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd3; [L713] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd4; [L714] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd0; [L715] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd1; [L716] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd2; [L717] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd3; [L718] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd4; [L719] 0 _Bool __unbuffered_p2_EAX$read_delayed; [L720] 0 int *__unbuffered_p2_EAX$read_delayed_var; [L721] 0 int __unbuffered_p2_EAX$w_buff0; [L722] 0 _Bool __unbuffered_p2_EAX$w_buff0_used; [L723] 0 int __unbuffered_p2_EAX$w_buff1; [L724] 0 _Bool __unbuffered_p2_EAX$w_buff1_used; [L726] 0 int __unbuffered_p2_EBX = 0; [L727] 0 _Bool main$tmp_guard0; [L728] 0 _Bool main$tmp_guard1; [L730] 0 int x = 0; [L731] 0 _Bool x$flush_delayed; [L732] 0 int x$mem_tmp; [L733] 0 _Bool x$r_buff0_thd0; [L734] 0 _Bool x$r_buff0_thd1; [L735] 0 _Bool x$r_buff0_thd2; [L736] 0 _Bool x$r_buff0_thd3; [L737] 0 _Bool x$r_buff0_thd4; [L738] 0 _Bool x$r_buff1_thd0; [L739] 0 _Bool x$r_buff1_thd1; [L740] 0 _Bool x$r_buff1_thd2; [L741] 0 _Bool x$r_buff1_thd3; [L742] 0 _Bool x$r_buff1_thd4; [L743] 0 _Bool x$read_delayed; [L744] 0 int *x$read_delayed_var; [L745] 0 int x$w_buff0; [L746] 0 _Bool x$w_buff0_used; [L747] 0 int x$w_buff1; [L748] 0 _Bool x$w_buff1_used; [L750] 0 int y = 0; [L751] 0 _Bool weak$$choice0; [L752] 0 _Bool weak$$choice1; [L753] 0 _Bool weak$$choice2; [L873] 0 pthread_t t2421; [L874] FCALL, FORK 0 pthread_create(&t2421, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={6:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L875] 0 pthread_t t2422; [L876] FCALL, FORK 0 pthread_create(&t2422, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={6:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L785] 2 x$w_buff1 = x$w_buff0 [L786] 2 x$w_buff0 = 1 [L787] 2 x$w_buff1_used = x$w_buff0_used [L788] 2 x$w_buff0_used = (_Bool)1 [L8] COND FALSE 2 !(!expression) [L790] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L791] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L792] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L793] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L794] 2 x$r_buff1_thd4 = x$r_buff0_thd4 [L795] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={6:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L877] 0 pthread_t t2423; [L878] FCALL, FORK 0 pthread_create(&t2423, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={6:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L879] 0 pthread_t t2424; [L812] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L813] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L814] 3 x$flush_delayed = weak$$choice2 [L815] EXPR 3 \read(x) [L815] 3 x$mem_tmp = x [L816] 3 weak$$choice1 = __VERIFIER_nondet_bool() [L817] EXPR 3 !x$w_buff0_used ? x : (x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)))) [L817] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x))) [L817] EXPR 3 x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)) [L817] EXPR 3 x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x) [L817] EXPR 3 weak$$choice0 ? x$w_buff0 : x [L817] EXPR 3 \read(x) [L817] EXPR 3 weak$$choice0 ? x$w_buff0 : x [L817] EXPR 3 x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x) [L817] EXPR 3 x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)) [L817] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x))) [L817] EXPR 3 !x$w_buff0_used ? x : (x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)))) [L817] 3 x = !x$w_buff0_used ? x : (x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)))) [L818] EXPR 3 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? x$w_buff0 : x$w_buff0)))) [L818] 3 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? x$w_buff0 : x$w_buff0)))) [L819] EXPR 3 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff1 : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? x$w_buff1 : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? x$w_buff1 : x$w_buff1)))) [L819] 3 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff1 : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? x$w_buff1 : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? x$w_buff1 : x$w_buff1)))) [L820] EXPR 3 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? weak$$choice0 || !weak$$choice1 : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? weak$$choice0 : weak$$choice0)))) [L820] 3 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? weak$$choice0 || !weak$$choice1 : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? weak$$choice0 : weak$$choice0)))) [L821] EXPR 3 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? weak$$choice0 : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)))) [L821] EXPR 3 !x$w_buff0_used ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? weak$$choice0 : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))) [L821] EXPR 3 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? weak$$choice0 : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)))) [L821] 3 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? weak$$choice0 : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)))) [L822] EXPR 3 weak$$choice2 ? x$r_buff0_thd3 : (!x$w_buff0_used ? x$r_buff0_thd3 : (x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? x$r_buff0_thd3 : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)))) [L822] 3 x$r_buff0_thd3 = weak$$choice2 ? x$r_buff0_thd3 : (!x$w_buff0_used ? x$r_buff0_thd3 : (x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? x$r_buff0_thd3 : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)))) [L823] EXPR 3 weak$$choice2 ? x$r_buff1_thd3 : (!x$w_buff0_used ? x$r_buff1_thd3 : (x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (weak$$choice0 ? x$r_buff1_thd3 : (_Bool)0) : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)))) [L823] EXPR 3 !x$w_buff0_used ? x$r_buff1_thd3 : (x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (weak$$choice0 ? x$r_buff1_thd3 : (_Bool)0) : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))) [L823] EXPR 3 weak$$choice2 ? x$r_buff1_thd3 : (!x$w_buff0_used ? x$r_buff1_thd3 : (x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (weak$$choice0 ? x$r_buff1_thd3 : (_Bool)0) : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)))) [L823] 3 x$r_buff1_thd3 = weak$$choice2 ? x$r_buff1_thd3 : (!x$w_buff0_used ? x$r_buff1_thd3 : (x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (weak$$choice0 ? x$r_buff1_thd3 : (_Bool)0) : (x$w_buff0_used && x$r_buff1_thd3 && x$w_buff1_used && !x$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)))) [L824] 3 __unbuffered_p2_EAX$read_delayed = (_Bool)1 [L825] 3 __unbuffered_p2_EAX$read_delayed_var = &x [L826] EXPR 3 \read(x) [L826] 3 __unbuffered_p2_EAX = x [L827] EXPR 3 x$flush_delayed ? x$mem_tmp : x [L827] EXPR 3 \read(x) [L827] EXPR 3 x$flush_delayed ? x$mem_tmp : x [L827] 3 x = x$flush_delayed ? x$mem_tmp : x [L828] 3 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={6:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=255, weak$$choice1=255, weak$$choice2=255, x={6:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L880] FCALL, FORK 0 pthread_create(&t2424, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={6:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=255, weak$$choice1=255, weak$$choice2=255, x={6:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L831] 3 __unbuffered_p2_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={6:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=255, weak$$choice1=255, weak$$choice2=255, x={6:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L834] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L834] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L834] EXPR 3 \read(x) [L834] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L834] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L834] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L835] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L835] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L836] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L836] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L837] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L837] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L838] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L838] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L841] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L843] 3 return 0; [L848] 4 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={6:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EBX=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$$choice0=255, weak$$choice1=255, weak$$choice2=255, x={6:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L757] 1 __unbuffered_p0_EAX = y VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={6:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=255, weak$$choice1=255, weak$$choice2=255, x={6:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L760] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L761] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L762] 1 x$flush_delayed = weak$$choice2 [L763] EXPR 1 \read(x) [L763] 1 x$mem_tmp = x [L764] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L764] EXPR 1 \read(x) [L764] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L764] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L765] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L765] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0) [L765] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0 [L765] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0) [L765] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L765] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L766] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L766] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1) [L766] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1 [L766] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1) [L766] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L766] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L767] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L767] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L768] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L768] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L768] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L768] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L769] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L769] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L770] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L770] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L770] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L770] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L771] EXPR 1 \read(x) [L771] 1 __unbuffered_p0_EBX = x [L772] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L772] 1 x = x$flush_delayed ? x$mem_tmp : x [L773] 1 x$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={6:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=255, weak$$choice2=0, x={6:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L851] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x) [L851] EXPR 4 x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x [L851] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x) [L851] 4 x = x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x) [L852] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$w_buff0_used [L852] 4 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$w_buff0_used [L853] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$w_buff1_used [L853] 4 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$w_buff1_used [L854] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$r_buff0_thd4 [L854] 4 x$r_buff0_thd4 = x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$r_buff0_thd4 [L855] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$r_buff1_thd4 [L855] 4 x$r_buff1_thd4 = x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$r_buff1_thd4 [L858] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L860] 4 return 0; [L798] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L798] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L799] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L799] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L800] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L800] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L801] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L801] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L802] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L802] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L778] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L780] 1 return 0; [L805] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L807] 2 return 0; [L882] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L893] 0 weak$$choice1 = __VERIFIER_nondet_bool() [L894] EXPR 0 __unbuffered_p2_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p2_EAX$read_delayed_var : __unbuffered_p2_EAX) : __unbuffered_p2_EAX [L894] 0 __unbuffered_p2_EAX = __unbuffered_p2_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p2_EAX$read_delayed_var : __unbuffered_p2_EAX) : __unbuffered_p2_EAX [L895] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L8] COND TRUE 0 !expression [L8] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={6:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice1=0, weak$$choice2=0, x={6:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 126 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 34.1s, OverallIterations: 23, TraceHistogramMax: 1, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.5s, HoareTripleCheckerStatistics: 751 SDtfs, 967 SDslu, 2888 SDs, 0 SdLazy, 3536 SolverSat, 434 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 10.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2250occurred 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: 0.5s AutomataMinimizationTime, 22 MinimizatonAttempts, 2768 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 386 ConstructedInterpolants, 0 QuantifiedInterpolants, 177921 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 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...