/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix057_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:05:02,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:05:02,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:05:02,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:05:02,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:05:02,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:05:02,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:05:02,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:05:02,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:05:02,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:05:02,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:05:02,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:05:02,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:05:02,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:05:02,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:05:02,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:05:02,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:05:02,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:05:02,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:05:02,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:05:02,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:05:02,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:05:02,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:05:02,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:05:02,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:05:02,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:05:02,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:05:02,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:05:02,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:05:02,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:05:02,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:05:02,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:05:02,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:05:02,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:05:02,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:05:02,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:05:02,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:05:02,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:05:02,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:05:02,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:05:02,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:05:02,555 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 12:05:02,577 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:05:02,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:05:02,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:05:02,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:05:02,579 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:05:02,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:05:02,579 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:05:02,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:05:02,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:05:02,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:05:02,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:05:02,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:05:02,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:05:02,580 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:05:02,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:05:02,581 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:05:02,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:05:02,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:05:02,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:05:02,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:05:02,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:05:02,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:05:02,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:05:02,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:05:02,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:05:02,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:05:02,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:05:02,583 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:05:02,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:05:02,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:05:02,928 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:05:02,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:05:02,940 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:05:02,942 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:05:02,943 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix057_rmo.oepc.i [2020-10-16 12:05:03,008 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/be05c163d/5071583c6bdc4f17aee3ba8d3992f176/FLAG0dc4ac7b4 [2020-10-16 12:05:03,484 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:05:03,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/mix057_rmo.oepc.i [2020-10-16 12:05:03,519 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/be05c163d/5071583c6bdc4f17aee3ba8d3992f176/FLAG0dc4ac7b4 [2020-10-16 12:05:03,855 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/be05c163d/5071583c6bdc4f17aee3ba8d3992f176 [2020-10-16 12:05:03,863 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:05:03,865 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:05:03,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:05:03,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:05:03,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:05:03,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:05:03" (1/1) ... [2020-10-16 12:05:03,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43fed6e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:03, skipping insertion in model container [2020-10-16 12:05:03,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:05:03" (1/1) ... [2020-10-16 12:05:03,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:05:03,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:05:04,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:05:04,524 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:05:04,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:05:04,676 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:05:04,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:04 WrapperNode [2020-10-16 12:05:04,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:05:04,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:05:04,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:05:04,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:05:04,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:04" (1/1) ... [2020-10-16 12:05:04,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:04" (1/1) ... [2020-10-16 12:05:04,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:05:04,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:05:04,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:05:04,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:05:04,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:04" (1/1) ... [2020-10-16 12:05:04,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:04" (1/1) ... [2020-10-16 12:05:04,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:04" (1/1) ... [2020-10-16 12:05:04,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:04" (1/1) ... [2020-10-16 12:05:04,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:04" (1/1) ... [2020-10-16 12:05:04,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:04" (1/1) ... [2020-10-16 12:05:04,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:04" (1/1) ... [2020-10-16 12:05:04,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:05:04,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:05:04,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:05:04,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:05:04,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:04" (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 12:05:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:05:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:05:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:05:04,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:05:04,875 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:05:04,875 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:05:04,875 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:05:04,876 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:05:04,876 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 12:05:04,876 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 12:05:04,876 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-16 12:05:04,876 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-16 12:05:04,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:05:04,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:05:04,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:05:04,879 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 12:05:07,289 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:05:07,290 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 12:05:07,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:05:07 BoogieIcfgContainer [2020-10-16 12:05:07,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:05:07,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:05:07,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:05:07,300 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:05:07,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:05:03" (1/3) ... [2020-10-16 12:05:07,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792eb301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:05:07, skipping insertion in model container [2020-10-16 12:05:07,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:04" (2/3) ... [2020-10-16 12:05:07,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792eb301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:05:07, skipping insertion in model container [2020-10-16 12:05:07,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:05:07" (3/3) ... [2020-10-16 12:05:07,305 INFO L111 eAbstractionObserver]: Analyzing ICFG mix057_rmo.oepc.i [2020-10-16 12:05:07,318 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:05:07,318 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:05:07,328 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 12:05:07,329 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:05:07,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,381 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,381 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,382 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,382 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,384 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,384 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,384 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,386 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,386 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,390 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,390 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,390 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,390 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,391 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,392 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,392 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,392 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,393 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,396 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,396 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,396 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,396 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,399 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,399 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,399 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,399 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,399 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,399 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,400 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,400 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,400 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,400 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,401 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,401 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,401 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,401 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,401 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,401 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,402 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,402 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,402 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,402 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,402 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,402 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,403 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,403 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,404 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,404 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,406 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,406 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,406 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,407 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,407 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,407 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,407 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,408 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,408 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,416 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,417 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,417 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,417 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,417 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,417 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,418 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,421 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,424 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,424 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,424 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,425 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,425 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,426 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,426 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,426 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,426 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,427 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,427 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,427 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,427 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,428 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,428 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,428 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,428 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,428 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,428 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,429 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,429 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,430 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,430 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,430 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,430 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,430 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,431 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,431 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,431 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,431 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,431 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,432 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,432 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,434 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,434 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,434 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,434 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,435 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,435 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,435 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,435 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,435 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,436 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,436 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,436 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,437 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,438 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,438 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,438 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,438 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,438 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,439 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,439 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,439 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,439 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:07,441 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:05:07,456 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 12:05:07,480 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:05:07,480 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:05:07,480 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:05:07,480 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 12:05:07,481 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:05:07,481 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:05:07,482 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:05:07,482 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:05:07,503 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:05:07,504 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 109 transitions, 238 flow [2020-10-16 12:05:07,507 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 109 transitions, 238 flow [2020-10-16 12:05:07,510 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 120 places, 109 transitions, 238 flow [2020-10-16 12:05:07,569 INFO L129 PetriNetUnfolder]: 2/105 cut-off events. [2020-10-16 12:05:07,570 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:05:07,576 INFO L80 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 105 events. 2/105 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 86 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2020-10-16 12:05:07,580 INFO L117 LiptonReduction]: Number of co-enabled transitions 2614 [2020-10-16 12:05:08,043 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 12:05:08,617 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-10-16 12:05:09,309 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-16 12:05:09,428 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-16 12:05:10,160 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-10-16 12:05:10,544 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-10-16 12:05:10,689 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-16 12:05:10,698 INFO L132 LiptonReduction]: Checked pairs total: 8128 [2020-10-16 12:05:10,698 INFO L134 LiptonReduction]: Total number of compositions: 90 [2020-10-16 12:05:10,706 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 33 transitions, 86 flow [2020-10-16 12:05:10,994 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4124 states. [2020-10-16 12:05:10,997 INFO L276 IsEmpty]: Start isEmpty. Operand 4124 states. [2020-10-16 12:05:11,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-16 12:05:11,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:11,005 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-16 12:05:11,005 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:11,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:11,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1188698, now seen corresponding path program 1 times [2020-10-16 12:05:11,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:11,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850603810] [2020-10-16 12:05:11,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:11,320 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 12:05:11,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850603810] [2020-10-16 12:05:11,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:11,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:05:11,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427122314] [2020-10-16 12:05:11,329 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:05:11,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:11,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:05:11,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:11,349 INFO L87 Difference]: Start difference. First operand 4124 states. Second operand 3 states. [2020-10-16 12:05:11,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:11,537 INFO L93 Difference]: Finished difference Result 3437 states and 13500 transitions. [2020-10-16 12:05:11,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:05:11,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-16 12:05:11,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:11,595 INFO L225 Difference]: With dead ends: 3437 [2020-10-16 12:05:11,596 INFO L226 Difference]: Without dead ends: 2812 [2020-10-16 12:05:11,598 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 12:05:11,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2812 states. [2020-10-16 12:05:11,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2812 to 2812. [2020-10-16 12:05:11,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2812 states. [2020-10-16 12:05:11,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2812 states and 10875 transitions. [2020-10-16 12:05:11,813 INFO L78 Accepts]: Start accepts. Automaton has 2812 states and 10875 transitions. Word has length 3 [2020-10-16 12:05:11,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:11,813 INFO L481 AbstractCegarLoop]: Abstraction has 2812 states and 10875 transitions. [2020-10-16 12:05:11,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:05:11,814 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 10875 transitions. [2020-10-16 12:05:11,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 12:05:11,817 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:11,817 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:11,818 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:05:11,818 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:11,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:11,818 INFO L82 PathProgramCache]: Analyzing trace with hash -2099876546, now seen corresponding path program 1 times [2020-10-16 12:05:11,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:11,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428137300] [2020-10-16 12:05:11,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:11,926 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 12:05:11,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428137300] [2020-10-16 12:05:11,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:11,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:05:11,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223861461] [2020-10-16 12:05:11,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:05:11,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:11,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:05:11,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:11,930 INFO L87 Difference]: Start difference. First operand 2812 states and 10875 transitions. Second operand 3 states. [2020-10-16 12:05:12,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:12,004 INFO L93 Difference]: Finished difference Result 2762 states and 10645 transitions. [2020-10-16 12:05:12,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:05:12,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-16 12:05:12,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:12,035 INFO L225 Difference]: With dead ends: 2762 [2020-10-16 12:05:12,035 INFO L226 Difference]: Without dead ends: 2762 [2020-10-16 12:05:12,036 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 12:05:12,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2762 states. [2020-10-16 12:05:12,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 2762. [2020-10-16 12:05:12,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2762 states. [2020-10-16 12:05:12,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 10645 transitions. [2020-10-16 12:05:12,197 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 10645 transitions. Word has length 11 [2020-10-16 12:05:12,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:12,199 INFO L481 AbstractCegarLoop]: Abstraction has 2762 states and 10645 transitions. [2020-10-16 12:05:12,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:05:12,199 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 10645 transitions. [2020-10-16 12:05:12,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:05:12,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:12,208 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:12,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:05:12,209 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:12,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:12,209 INFO L82 PathProgramCache]: Analyzing trace with hash -671908528, now seen corresponding path program 1 times [2020-10-16 12:05:12,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:12,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268045639] [2020-10-16 12:05:12,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:12,339 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 12:05:12,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268045639] [2020-10-16 12:05:12,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:12,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:05:12,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403384021] [2020-10-16 12:05:12,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:05:12,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:12,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:05:12,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:12,341 INFO L87 Difference]: Start difference. First operand 2762 states and 10645 transitions. Second operand 3 states. [2020-10-16 12:05:12,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:12,387 INFO L93 Difference]: Finished difference Result 2722 states and 10463 transitions. [2020-10-16 12:05:12,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:05:12,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-16 12:05:12,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:12,415 INFO L225 Difference]: With dead ends: 2722 [2020-10-16 12:05:12,415 INFO L226 Difference]: Without dead ends: 2722 [2020-10-16 12:05:12,416 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 12:05:12,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2722 states. [2020-10-16 12:05:12,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2722 to 2722. [2020-10-16 12:05:12,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2722 states. [2020-10-16 12:05:12,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 10463 transitions. [2020-10-16 12:05:12,563 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 10463 transitions. Word has length 12 [2020-10-16 12:05:12,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:12,564 INFO L481 AbstractCegarLoop]: Abstraction has 2722 states and 10463 transitions. [2020-10-16 12:05:12,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:05:12,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 10463 transitions. [2020-10-16 12:05:12,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:05:12,567 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:12,567 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:12,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:05:12,567 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:12,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:12,568 INFO L82 PathProgramCache]: Analyzing trace with hash 645671939, now seen corresponding path program 1 times [2020-10-16 12:05:12,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:12,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962293914] [2020-10-16 12:05:12,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:12,729 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 12:05:12,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962293914] [2020-10-16 12:05:12,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:12,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:05:12,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88834789] [2020-10-16 12:05:12,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:05:12,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:12,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:05:12,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:12,733 INFO L87 Difference]: Start difference. First operand 2722 states and 10463 transitions. Second operand 3 states. [2020-10-16 12:05:12,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:12,763 INFO L93 Difference]: Finished difference Result 2684 states and 10291 transitions. [2020-10-16 12:05:12,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:05:12,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-16 12:05:12,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:12,788 INFO L225 Difference]: With dead ends: 2684 [2020-10-16 12:05:12,789 INFO L226 Difference]: Without dead ends: 2684 [2020-10-16 12:05:12,789 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 12:05:12,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2684 states. [2020-10-16 12:05:12,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2684 to 2684. [2020-10-16 12:05:12,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2684 states. [2020-10-16 12:05:12,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 2684 states and 10291 transitions. [2020-10-16 12:05:12,929 INFO L78 Accepts]: Start accepts. Automaton has 2684 states and 10291 transitions. Word has length 13 [2020-10-16 12:05:12,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:12,929 INFO L481 AbstractCegarLoop]: Abstraction has 2684 states and 10291 transitions. [2020-10-16 12:05:12,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:05:12,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2684 states and 10291 transitions. [2020-10-16 12:05:12,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:05:12,933 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:12,933 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:12,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:05:12,934 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:12,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:12,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1510002970, now seen corresponding path program 1 times [2020-10-16 12:05:12,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:12,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8216738] [2020-10-16 12:05:12,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:13,008 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 12:05:13,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8216738] [2020-10-16 12:05:13,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:13,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:05:13,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642436480] [2020-10-16 12:05:13,009 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:05:13,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:13,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:05:13,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:13,012 INFO L87 Difference]: Start difference. First operand 2684 states and 10291 transitions. Second operand 3 states. [2020-10-16 12:05:13,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:13,048 INFO L93 Difference]: Finished difference Result 3791 states and 14137 transitions. [2020-10-16 12:05:13,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:05:13,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-10-16 12:05:13,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:13,073 INFO L225 Difference]: With dead ends: 3791 [2020-10-16 12:05:13,073 INFO L226 Difference]: Without dead ends: 2891 [2020-10-16 12:05:13,074 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:13,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2891 states. [2020-10-16 12:05:13,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2891 to 2615. [2020-10-16 12:05:13,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2615 states. [2020-10-16 12:05:13,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2615 states and 9699 transitions. [2020-10-16 12:05:13,176 INFO L78 Accepts]: Start accepts. Automaton has 2615 states and 9699 transitions. Word has length 14 [2020-10-16 12:05:13,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:13,176 INFO L481 AbstractCegarLoop]: Abstraction has 2615 states and 9699 transitions. [2020-10-16 12:05:13,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:05:13,176 INFO L276 IsEmpty]: Start isEmpty. Operand 2615 states and 9699 transitions. [2020-10-16 12:05:13,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:05:13,179 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:13,179 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:13,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:05:13,180 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:13,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:13,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1459022881, now seen corresponding path program 1 times [2020-10-16 12:05:13,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:13,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471297731] [2020-10-16 12:05:13,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:13,243 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 12:05:13,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471297731] [2020-10-16 12:05:13,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:13,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:05:13,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024457592] [2020-10-16 12:05:13,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:05:13,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:13,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:05:13,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:05:13,246 INFO L87 Difference]: Start difference. First operand 2615 states and 9699 transitions. Second operand 4 states. [2020-10-16 12:05:13,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:13,293 INFO L93 Difference]: Finished difference Result 2578 states and 8641 transitions. [2020-10-16 12:05:13,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 12:05:13,294 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-16 12:05:13,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:13,303 INFO L225 Difference]: With dead ends: 2578 [2020-10-16 12:05:13,303 INFO L226 Difference]: Without dead ends: 1953 [2020-10-16 12:05:13,304 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 12:05:13,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1953 states. [2020-10-16 12:05:13,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 1953. [2020-10-16 12:05:13,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1953 states. [2020-10-16 12:05:13,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1953 states and 6485 transitions. [2020-10-16 12:05:13,367 INFO L78 Accepts]: Start accepts. Automaton has 1953 states and 6485 transitions. Word has length 14 [2020-10-16 12:05:13,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:13,367 INFO L481 AbstractCegarLoop]: Abstraction has 1953 states and 6485 transitions. [2020-10-16 12:05:13,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:05:13,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 6485 transitions. [2020-10-16 12:05:13,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-16 12:05:13,370 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:13,370 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:13,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:05:13,371 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:13,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:13,371 INFO L82 PathProgramCache]: Analyzing trace with hash 146859685, now seen corresponding path program 1 times [2020-10-16 12:05:13,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:13,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14670756] [2020-10-16 12:05:13,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:13,423 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 12:05:13,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14670756] [2020-10-16 12:05:13,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:13,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:05:13,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497544821] [2020-10-16 12:05:13,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:05:13,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:13,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:05:13,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:13,427 INFO L87 Difference]: Start difference. First operand 1953 states and 6485 transitions. Second operand 3 states. [2020-10-16 12:05:13,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:13,450 INFO L93 Difference]: Finished difference Result 2877 states and 9277 transitions. [2020-10-16 12:05:13,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:05:13,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-16 12:05:13,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:13,459 INFO L225 Difference]: With dead ends: 2877 [2020-10-16 12:05:13,459 INFO L226 Difference]: Without dead ends: 2049 [2020-10-16 12:05:13,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:13,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2049 states. [2020-10-16 12:05:13,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2049 to 1917. [2020-10-16 12:05:13,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1917 states. [2020-10-16 12:05:13,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1917 states and 6108 transitions. [2020-10-16 12:05:13,535 INFO L78 Accepts]: Start accepts. Automaton has 1917 states and 6108 transitions. Word has length 16 [2020-10-16 12:05:13,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:13,535 INFO L481 AbstractCegarLoop]: Abstraction has 1917 states and 6108 transitions. [2020-10-16 12:05:13,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:05:13,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 6108 transitions. [2020-10-16 12:05:13,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-16 12:05:13,541 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:13,541 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 12:05:13,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:05:13,541 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:13,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:13,542 INFO L82 PathProgramCache]: Analyzing trace with hash -432933886, now seen corresponding path program 1 times [2020-10-16 12:05:13,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:13,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852725824] [2020-10-16 12:05:13,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:13,678 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 12:05:13,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852725824] [2020-10-16 12:05:13,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:13,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:05:13,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38560196] [2020-10-16 12:05:13,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:05:13,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:13,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:05:13,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:13,680 INFO L87 Difference]: Start difference. First operand 1917 states and 6108 transitions. Second operand 3 states. [2020-10-16 12:05:13,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:13,701 INFO L93 Difference]: Finished difference Result 2850 states and 8796 transitions. [2020-10-16 12:05:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:05:13,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-16 12:05:13,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:13,710 INFO L225 Difference]: With dead ends: 2850 [2020-10-16 12:05:13,710 INFO L226 Difference]: Without dead ends: 1998 [2020-10-16 12:05:13,710 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:05:13,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1998 states. [2020-10-16 12:05:13,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1998 to 1887. [2020-10-16 12:05:13,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1887 states. [2020-10-16 12:05:13,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 5746 transitions. [2020-10-16 12:05:13,767 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 5746 transitions. Word has length 17 [2020-10-16 12:05:13,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:13,768 INFO L481 AbstractCegarLoop]: Abstraction has 1887 states and 5746 transitions. [2020-10-16 12:05:13,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:05:13,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 5746 transitions. [2020-10-16 12:05:13,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-16 12:05:13,771 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:13,772 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 12:05:13,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:05:13,772 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:13,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:13,772 INFO L82 PathProgramCache]: Analyzing trace with hash 679666578, now seen corresponding path program 1 times [2020-10-16 12:05:13,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:13,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946682561] [2020-10-16 12:05:13,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:13,843 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 12:05:13,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946682561] [2020-10-16 12:05:13,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:13,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:05:13,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308008201] [2020-10-16 12:05:13,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:05:13,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:13,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:05:13,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:05:13,845 INFO L87 Difference]: Start difference. First operand 1887 states and 5746 transitions. Second operand 5 states. [2020-10-16 12:05:13,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:13,898 INFO L93 Difference]: Finished difference Result 1609 states and 4474 transitions. [2020-10-16 12:05:13,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:05:13,899 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-16 12:05:13,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:13,903 INFO L225 Difference]: With dead ends: 1609 [2020-10-16 12:05:13,904 INFO L226 Difference]: Without dead ends: 1232 [2020-10-16 12:05:13,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:05:13,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2020-10-16 12:05:13,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 1232. [2020-10-16 12:05:13,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1232 states. [2020-10-16 12:05:13,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 3370 transitions. [2020-10-16 12:05:13,935 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 3370 transitions. Word has length 17 [2020-10-16 12:05:13,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:13,935 INFO L481 AbstractCegarLoop]: Abstraction has 1232 states and 3370 transitions. [2020-10-16 12:05:13,935 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:05:13,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 3370 transitions. [2020-10-16 12:05:13,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-16 12:05:13,939 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:13,939 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:13,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 12:05:13,939 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:13,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:13,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1218323897, now seen corresponding path program 1 times [2020-10-16 12:05:13,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:13,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131995174] [2020-10-16 12:05:13,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:14,060 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 12:05:14,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131995174] [2020-10-16 12:05:14,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:14,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:05:14,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185227460] [2020-10-16 12:05:14,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:05:14,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:14,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:05:14,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:05:14,063 INFO L87 Difference]: Start difference. First operand 1232 states and 3370 transitions. Second operand 6 states. [2020-10-16 12:05:14,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:14,131 INFO L93 Difference]: Finished difference Result 1090 states and 2939 transitions. [2020-10-16 12:05:14,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:05:14,132 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-10-16 12:05:14,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:14,135 INFO L225 Difference]: With dead ends: 1090 [2020-10-16 12:05:14,135 INFO L226 Difference]: Without dead ends: 841 [2020-10-16 12:05:14,136 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:05:14,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2020-10-16 12:05:14,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 841. [2020-10-16 12:05:14,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 841 states. [2020-10-16 12:05:14,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 2263 transitions. [2020-10-16 12:05:14,154 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 2263 transitions. Word has length 20 [2020-10-16 12:05:14,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:14,154 INFO L481 AbstractCegarLoop]: Abstraction has 841 states and 2263 transitions. [2020-10-16 12:05:14,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:05:14,155 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 2263 transitions. [2020-10-16 12:05:14,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-16 12:05:14,157 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:14,157 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:14,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 12:05:14,157 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:14,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:14,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1332983847, now seen corresponding path program 1 times [2020-10-16 12:05:14,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:14,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068476823] [2020-10-16 12:05:14,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:14,288 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 12:05:14,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068476823] [2020-10-16 12:05:14,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:14,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:05:14,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260388625] [2020-10-16 12:05:14,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:05:14,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:14,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:05:14,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:05:14,291 INFO L87 Difference]: Start difference. First operand 841 states and 2263 transitions. Second operand 7 states. [2020-10-16 12:05:14,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:14,393 INFO L93 Difference]: Finished difference Result 813 states and 2208 transitions. [2020-10-16 12:05:14,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:05:14,394 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-10-16 12:05:14,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:14,396 INFO L225 Difference]: With dead ends: 813 [2020-10-16 12:05:14,396 INFO L226 Difference]: Without dead ends: 316 [2020-10-16 12:05:14,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:05:14,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2020-10-16 12:05:14,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2020-10-16 12:05:14,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-10-16 12:05:14,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 859 transitions. [2020-10-16 12:05:14,408 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 859 transitions. Word has length 23 [2020-10-16 12:05:14,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:14,408 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 859 transitions. [2020-10-16 12:05:14,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:05:14,408 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 859 transitions. [2020-10-16 12:05:14,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-16 12:05:14,409 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:14,410 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:14,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 12:05:14,410 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:14,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:14,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1993941341, now seen corresponding path program 1 times [2020-10-16 12:05:14,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:14,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135060089] [2020-10-16 12:05:14,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:14,694 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 12:05:14,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135060089] [2020-10-16 12:05:14,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:14,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:05:14,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952806159] [2020-10-16 12:05:14,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:05:14,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:14,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:05:14,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:05:14,696 INFO L87 Difference]: Start difference. First operand 316 states and 859 transitions. Second operand 7 states. [2020-10-16 12:05:14,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:14,857 INFO L93 Difference]: Finished difference Result 468 states and 1252 transitions. [2020-10-16 12:05:14,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:05:14,858 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-10-16 12:05:14,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:14,859 INFO L225 Difference]: With dead ends: 468 [2020-10-16 12:05:14,859 INFO L226 Difference]: Without dead ends: 268 [2020-10-16 12:05:14,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:05:14,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-10-16 12:05:14,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2020-10-16 12:05:14,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-10-16 12:05:14,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 707 transitions. [2020-10-16 12:05:14,866 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 707 transitions. Word has length 27 [2020-10-16 12:05:14,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:14,867 INFO L481 AbstractCegarLoop]: Abstraction has 268 states and 707 transitions. [2020-10-16 12:05:14,867 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:05:14,867 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 707 transitions. [2020-10-16 12:05:14,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-16 12:05:14,868 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:14,868 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:14,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 12:05:14,869 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:14,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:14,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1558186805, now seen corresponding path program 2 times [2020-10-16 12:05:14,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:14,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217241578] [2020-10-16 12:05:14,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:15,020 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 12:05:15,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217241578] [2020-10-16 12:05:15,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:15,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 12:05:15,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925187760] [2020-10-16 12:05:15,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 12:05:15,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:15,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 12:05:15,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-16 12:05:15,024 INFO L87 Difference]: Start difference. First operand 268 states and 707 transitions. Second operand 7 states. [2020-10-16 12:05:15,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:15,209 INFO L93 Difference]: Finished difference Result 318 states and 825 transitions. [2020-10-16 12:05:15,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:05:15,210 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-10-16 12:05:15,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:15,211 INFO L225 Difference]: With dead ends: 318 [2020-10-16 12:05:15,212 INFO L226 Difference]: Without dead ends: 280 [2020-10-16 12:05:15,212 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:05:15,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-10-16 12:05:15,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 268. [2020-10-16 12:05:15,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-10-16 12:05:15,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 703 transitions. [2020-10-16 12:05:15,262 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 703 transitions. Word has length 27 [2020-10-16 12:05:15,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:15,264 INFO L481 AbstractCegarLoop]: Abstraction has 268 states and 703 transitions. [2020-10-16 12:05:15,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 12:05:15,265 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 703 transitions. [2020-10-16 12:05:15,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-16 12:05:15,266 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:15,266 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:15,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 12:05:15,266 INFO L429 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:15,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:15,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1219248867, now seen corresponding path program 3 times [2020-10-16 12:05:15,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:15,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649581928] [2020-10-16 12:05:15,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:05:15,546 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 12:05:15,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649581928] [2020-10-16 12:05:15,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:05:15,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:05:15,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308251684] [2020-10-16 12:05:15,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:05:15,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:05:15,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:05:15,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:05:15,549 INFO L87 Difference]: Start difference. First operand 268 states and 703 transitions. Second operand 8 states. [2020-10-16 12:05:15,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:05:15,838 INFO L93 Difference]: Finished difference Result 365 states and 924 transitions. [2020-10-16 12:05:15,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:05:15,839 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2020-10-16 12:05:15,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:05:15,842 INFO L225 Difference]: With dead ends: 365 [2020-10-16 12:05:15,842 INFO L226 Difference]: Without dead ends: 291 [2020-10-16 12:05:15,843 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:05:15,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2020-10-16 12:05:15,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 252. [2020-10-16 12:05:15,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2020-10-16 12:05:15,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 651 transitions. [2020-10-16 12:05:15,851 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 651 transitions. Word has length 27 [2020-10-16 12:05:15,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:05:15,851 INFO L481 AbstractCegarLoop]: Abstraction has 252 states and 651 transitions. [2020-10-16 12:05:15,852 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:05:15,852 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 651 transitions. [2020-10-16 12:05:15,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-16 12:05:15,854 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:05:15,854 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:05:15,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-16 12:05:15,854 INFO L429 AbstractCegarLoop]: === Iteration 15 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:05:15,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:05:15,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1022528501, now seen corresponding path program 4 times [2020-10-16 12:05:15,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:05:15,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101921377] [2020-10-16 12:05:15,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:05:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:05:15,958 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:05:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:05:16,048 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:05:16,104 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:05:16,104 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:05:16,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-16 12:05:16,106 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 12:05:16,141 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1154] [1154] L856-->L864: Formula: (let ((.cse6 (= (mod ~a$w_buff1_used~0_In-1001137730 256) 0)) (.cse7 (= (mod ~a$r_buff1_thd0~0_In-1001137730 256) 0)) (.cse9 (= 0 (mod ~a$r_buff0_thd0~0_In-1001137730 256))) (.cse8 (= (mod ~a$w_buff0_used~0_In-1001137730 256) 0))) (let ((.cse2 (or .cse9 .cse8)) (.cse0 (not .cse9)) (.cse1 (not .cse8)) (.cse3 (not .cse7)) (.cse4 (not .cse6)) (.cse5 (or .cse6 .cse7))) (and (or (and .cse0 .cse1 (= ~a$w_buff0~0_In-1001137730 ~a~0_Out-1001137730)) (and .cse2 (or (and .cse3 .cse4 (= ~a$w_buff1~0_In-1001137730 ~a~0_Out-1001137730)) (and .cse5 (= ~a~0_Out-1001137730 ~a~0_In-1001137730))))) (= ULTIMATE.start_assume_abort_if_not_~cond_Out-1001137730 |ULTIMATE.start_assume_abort_if_not_#in~cond_Out-1001137730|) (= ~a$r_buff0_thd0~0_Out-1001137730 ~a$r_buff0_thd0~0_In-1001137730) (or (and .cse2 (= ~a$w_buff0_used~0_In-1001137730 ~a$w_buff0_used~0_Out-1001137730)) (and .cse0 .cse1 (= ~a$w_buff0_used~0_Out-1001137730 0))) (= (mod ~main$tmp_guard0~0_In-1001137730 256) |ULTIMATE.start_assume_abort_if_not_#in~cond_Out-1001137730|) (or (and .cse3 (= ~a$w_buff1_used~0_Out-1001137730 0) .cse4) (and .cse5 (= ~a$w_buff1_used~0_Out-1001137730 ~a$w_buff1_used~0_In-1001137730))) (= ~a$r_buff1_thd0~0_Out-1001137730 ~a$r_buff1_thd0~0_In-1001137730) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out-1001137730 0))))) InVars {~a~0=~a~0_In-1001137730, ~a$w_buff1~0=~a$w_buff1~0_In-1001137730, ~a$w_buff0~0=~a$w_buff0~0_In-1001137730, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_In-1001137730, ~a$w_buff0_used~0=~a$w_buff0_used~0_In-1001137730, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_In-1001137730, ~a$w_buff1_used~0=~a$w_buff1_used~0_In-1001137730, ~main$tmp_guard0~0=~main$tmp_guard0~0_In-1001137730} OutVars{ULTIMATE.start_main_#t~ite58=|ULTIMATE.start_main_#t~ite58_Out-1001137730|, ~a$w_buff0_used~0=~a$w_buff0_used~0_Out-1001137730, ULTIMATE.start_main_#t~ite57=|ULTIMATE.start_main_#t~ite57_Out-1001137730|, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_Out-1001137730, ~main$tmp_guard0~0=~main$tmp_guard0~0_In-1001137730, ULTIMATE.start_main_#t~ite54=|ULTIMATE.start_main_#t~ite54_Out-1001137730|, ULTIMATE.start_main_#t~ite53=|ULTIMATE.start_main_#t~ite53_Out-1001137730|, ULTIMATE.start_main_#t~ite56=|ULTIMATE.start_main_#t~ite56_Out-1001137730|, ULTIMATE.start_main_#t~ite55=|ULTIMATE.start_main_#t~ite55_Out-1001137730|, ~a~0=~a~0_Out-1001137730, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_Out-1001137730|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-1001137730, ~a$w_buff1~0=~a$w_buff1~0_In-1001137730, ~a$w_buff0~0=~a$w_buff0~0_In-1001137730, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_Out-1001137730, ~a$w_buff1_used~0=~a$w_buff1_used~0_Out-1001137730} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite58, ~a$w_buff0_used~0, ULTIMATE.start_main_#t~ite57, ~a$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite54, ULTIMATE.start_main_#t~ite53, ULTIMATE.start_main_#t~ite56, ULTIMATE.start_main_#t~ite55, ~a~0, ULTIMATE.start_assume_abort_if_not_#in~cond, ULTIMATE.start_assume_abort_if_not_~cond, ~a$r_buff1_thd0~0, ~a$w_buff1_used~0] because there is no mapped edge [2020-10-16 12:05:16,148 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 12:05:16,148 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,158 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 12:05:16,159 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,159 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 12:05:16,159 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,159 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 12:05:16,160 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,160 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 12:05:16,160 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,160 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 12:05:16,160 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,161 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 12:05:16,161 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,162 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 12:05:16,162 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,162 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 12:05:16,162 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,163 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 12:05:16,163 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,163 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 12:05:16,163 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,163 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 12:05:16,164 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,164 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 12:05:16,164 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,164 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 12:05:16,164 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,164 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 12:05:16,165 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,165 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 12:05:16,165 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,165 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 12:05:16,165 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,170 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 12:05:16,170 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,171 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:16,171 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,171 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:16,171 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,172 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 12:05:16,172 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,172 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 12:05:16,172 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,172 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 12:05:16,173 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,173 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:16,173 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,173 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:16,173 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,174 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:16,174 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,175 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:16,175 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,175 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:16,175 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,176 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 12:05:16,176 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,176 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 12:05:16,177 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,177 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 12:05:16,177 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,179 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:16,179 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,180 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:16,180 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,180 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:16,180 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,180 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:16,180 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,180 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:16,181 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,181 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 12:05:16,181 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 12:05:16,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:05:16 BasicIcfg [2020-10-16 12:05:16,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:05:16,314 INFO L168 Benchmark]: Toolchain (without parser) took 12448.20 ms. Allocated memory was 140.0 MB in the beginning and 399.5 MB in the end (delta: 259.5 MB). Free memory was 101.5 MB in the beginning and 199.6 MB in the end (delta: -98.1 MB). Peak memory consumption was 161.4 MB. Max. memory is 7.1 GB. [2020-10-16 12:05:16,315 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-16 12:05:16,315 INFO L168 Benchmark]: CACSL2BoogieTranslator took 811.25 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 101.1 MB in the beginning and 156.2 MB in the end (delta: -55.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2020-10-16 12:05:16,316 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.15 ms. Allocated memory is still 203.9 MB. Free memory was 156.2 MB in the beginning and 153.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-16 12:05:16,316 INFO L168 Benchmark]: Boogie Preprocessor took 45.62 ms. Allocated memory is still 203.9 MB. Free memory was 153.5 MB in the beginning and 150.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-16 12:05:16,317 INFO L168 Benchmark]: RCFGBuilder took 2487.49 ms. Allocated memory was 203.9 MB in the beginning and 248.0 MB in the end (delta: 44.0 MB). Free memory was 150.8 MB in the beginning and 139.3 MB in the end (delta: 11.6 MB). Peak memory consumption was 102.7 MB. Max. memory is 7.1 GB. [2020-10-16 12:05:16,318 INFO L168 Benchmark]: TraceAbstraction took 9016.41 ms. Allocated memory was 248.0 MB in the beginning and 399.5 MB in the end (delta: 151.5 MB). Free memory was 139.3 MB in the beginning and 199.6 MB in the end (delta: -60.4 MB). Peak memory consumption was 91.1 MB. Max. memory is 7.1 GB. [2020-10-16 12:05:16,327 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 811.25 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 101.1 MB in the beginning and 156.2 MB in the end (delta: -55.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 82.15 ms. Allocated memory is still 203.9 MB. Free memory was 156.2 MB in the beginning and 153.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.62 ms. Allocated memory is still 203.9 MB. Free memory was 153.5 MB in the beginning and 150.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2487.49 ms. Allocated memory was 203.9 MB in the beginning and 248.0 MB in the end (delta: 44.0 MB). Free memory was 150.8 MB in the beginning and 139.3 MB in the end (delta: 11.6 MB). Peak memory consumption was 102.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9016.41 ms. Allocated memory was 248.0 MB in the beginning and 399.5 MB in the end (delta: 151.5 MB). Free memory was 139.3 MB in the beginning and 199.6 MB in the end (delta: -60.4 MB). Peak memory consumption was 91.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1364 VarBasedMoverChecksPositive, 42 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 161 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.1s, 120 PlacesBefore, 46 PlacesAfterwards, 109 TransitionsBefore, 33 TransitionsAfterwards, 2614 CoEnabledTransitionPairs, 7 FixpointIterations, 34 TrivialSequentialCompositions, 48 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 90 TotalNumberOfCompositions, 8128 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L699] 0 int __unbuffered_cnt = 0; [L701] 0 int __unbuffered_p3_EAX = 0; [L703] 0 int a = 0; [L704] 0 _Bool a$flush_delayed; [L705] 0 int a$mem_tmp; [L706] 0 _Bool a$r_buff0_thd0; [L707] 0 _Bool a$r_buff0_thd1; [L708] 0 _Bool a$r_buff0_thd2; [L709] 0 _Bool a$r_buff0_thd3; [L710] 0 _Bool a$r_buff0_thd4; [L711] 0 _Bool a$r_buff1_thd0; [L712] 0 _Bool a$r_buff1_thd1; [L713] 0 _Bool a$r_buff1_thd2; [L714] 0 _Bool a$r_buff1_thd3; [L715] 0 _Bool a$r_buff1_thd4; [L716] 0 _Bool a$read_delayed; [L717] 0 int *a$read_delayed_var; [L718] 0 int a$w_buff0; [L719] 0 _Bool a$w_buff0_used; [L720] 0 int a$w_buff1; [L721] 0 _Bool a$w_buff1_used; [L722] 0 _Bool main$tmp_guard0; [L723] 0 _Bool main$tmp_guard1; [L725] 0 int x = 0; [L727] 0 int y = 0; [L729] 0 int z = 0; [L730] 0 _Bool weak$$choice0; [L731] 0 _Bool weak$$choice2; [L846] 0 pthread_t t1529; [L847] FCALL, FORK 0 pthread_create(&t1529, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L735] 1 a$w_buff1 = a$w_buff0 [L736] 1 a$w_buff0 = 1 [L737] 1 a$w_buff1_used = a$w_buff0_used [L738] 1 a$w_buff0_used = (_Bool)1 [L7] COND TRUE 1 !expression [L7] 1 __VERIFIER_error() [L740] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L741] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L742] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L743] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L744] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L745] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L748] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L848] 0 pthread_t t1530; [L849] FCALL, FORK 0 pthread_create(&t1530, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L850] 0 pthread_t t1531; [L851] FCALL, FORK 0 pthread_create(&t1531, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L852] 0 pthread_t t1532; [L853] FCALL, FORK 0 pthread_create(&t1532, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L765] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L768] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L785] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L788] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1] [L791] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L791] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L791] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L791] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L792] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L792] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L793] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L793] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L794] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L794] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L795] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L795] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L798] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L800] 3 return 0; [L805] 4 z = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=2] [L808] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L809] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L810] 4 a$flush_delayed = weak$$choice2 [L811] 4 a$mem_tmp = a [L812] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L812] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L813] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L813] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L814] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L814] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L815] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L815] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L816] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L816] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L816] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0 [L816] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L816] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L816] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L817] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L817] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4) [L817] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L817] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4) [L817] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L817] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L818] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L818] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L818] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L818] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L819] 4 __unbuffered_p3_EAX = a [L820] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L820] 4 a = a$flush_delayed ? a$mem_tmp : a [L821] 4 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=2, y=2, z=2] [L751] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L751] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L752] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L752] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L753] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L753] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L754] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L754] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L755] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L755] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L824] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L824] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L824] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L824] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L825] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L825] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L826] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L826] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L827] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L827] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L828] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L828] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L831] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L833] 4 return 0; [L758] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L760] 1 return 0; [L771] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L771] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L771] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L771] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L772] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L772] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L773] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L773] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L774] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L774] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L775] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L775] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L778] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L780] 2 return 0; [L855] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=2, y=2, z=2] [L866] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=255, x=2, y=2, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 108 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.6s, OverallIterations: 15, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: 444 SDtfs, 657 SDslu, 724 SDs, 0 SdLazy, 286 SolverSat, 127 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4124occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 570 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 268 NumberOfCodeBlocks, 268 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 227 ConstructedInterpolants, 0 QuantifiedInterpolants, 34569 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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...