/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe022_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 15:40:53,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 15:40:53,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 15:40:53,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 15:40:53,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 15:40:53,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 15:40:53,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 15:40:53,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 15:40:53,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 15:40:53,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 15:40:53,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 15:40:53,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 15:40:53,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 15:40:53,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 15:40:53,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 15:40:53,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 15:40:53,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 15:40:53,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 15:40:53,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 15:40:53,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 15:40:53,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 15:40:53,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 15:40:53,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 15:40:53,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 15:40:53,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-09 15:40:53,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-09 15:40:53,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-09 15:40:53,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-09 15:40:53,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-09 15:40:53,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-09 15:40:53,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 15:40:53,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 15:40:53,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 15:40:53,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 15:40:53,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 15:40:53,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 15:40:53,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 15:40:53,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 15:40:53,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 15:40:53,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 15:40:53,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 15:40:53,793 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-11-09 15:40:53,822 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 15:40:53,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 15:40:53,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 15:40:53,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 15:40:53,824 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 15:40:53,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 15:40:53,825 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 15:40:53,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 15:40:53,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 15:40:53,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 15:40:53,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 15:40:53,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 15:40:53,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 15:40:53,826 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 15:40:53,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 15:40:53,827 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 15:40:53,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 15:40:53,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 15:40:53,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 15:40:53,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 15:40:53,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 15:40:53,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 15:40:53,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 15:40:53,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 15:40:53,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 15:40:53,829 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 15:40:53,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 15:40:53,829 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-11-09 15:40:53,829 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 15:40:53,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 15:40:53,830 INFO L138 SettingsManager]: * Interpolant automaton=MCR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 15:40:54,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 15:40:54,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 15:40:54,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 15:40:54,274 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 15:40:54,275 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 15:40:54,277 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe022_rmo.opt.i [2020-11-09 15:40:54,371 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2718f832b/c153511031514e6d9f1d309f746b94c5/FLAGa5e47bd38 [2020-11-09 15:40:55,305 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 15:40:55,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe022_rmo.opt.i [2020-11-09 15:40:55,326 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2718f832b/c153511031514e6d9f1d309f746b94c5/FLAGa5e47bd38 [2020-11-09 15:40:55,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2718f832b/c153511031514e6d9f1d309f746b94c5 [2020-11-09 15:40:55,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 15:40:55,511 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 15:40:55,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 15:40:55,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 15:40:55,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 15:40:55,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:40:55" (1/1) ... [2020-11-09 15:40:55,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4102f6a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:40:55, skipping insertion in model container [2020-11-09 15:40:55,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:40:55" (1/1) ... [2020-11-09 15:40:55,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 15:40:55,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 15:40:56,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 15:40:56,163 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 15:40:56,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 15:40:56,391 INFO L208 MainTranslator]: Completed translation [2020-11-09 15:40:56,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:40:56 WrapperNode [2020-11-09 15:40:56,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 15:40:56,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 15:40:56,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 15:40:56,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 15:40:56,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:40:56" (1/1) ... [2020-11-09 15:40:56,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:40:56" (1/1) ... [2020-11-09 15:40:56,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 15:40:56,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 15:40:56,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 15:40:56,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 15:40:56,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:40:56" (1/1) ... [2020-11-09 15:40:56,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:40:56" (1/1) ... [2020-11-09 15:40:56,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:40:56" (1/1) ... [2020-11-09 15:40:56,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:40:56" (1/1) ... [2020-11-09 15:40:56,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:40:56" (1/1) ... [2020-11-09 15:40:56,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:40:56" (1/1) ... [2020-11-09 15:40:56,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:40:56" (1/1) ... [2020-11-09 15:40:56,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 15:40:56,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 15:40:56,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 15:40:56,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 15:40:56,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:40:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 15:40:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 15:40:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-09 15:40:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 15:40:56,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 15:40:56,621 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-09 15:40:56,622 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-09 15:40:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-09 15:40:56,623 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-09 15:40:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 15:40:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-09 15:40:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 15:40:56,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 15:40:56,627 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 15:40:59,216 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 15:40:59,216 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-11-09 15:40:59,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:40:59 BoogieIcfgContainer [2020-11-09 15:40:59,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 15:40:59,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 15:40:59,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 15:40:59,227 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 15:40:59,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:40:55" (1/3) ... [2020-11-09 15:40:59,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a2768c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:40:59, skipping insertion in model container [2020-11-09 15:40:59,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:40:56" (2/3) ... [2020-11-09 15:40:59,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a2768c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:40:59, skipping insertion in model container [2020-11-09 15:40:59,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:40:59" (3/3) ... [2020-11-09 15:40:59,231 INFO L111 eAbstractionObserver]: Analyzing ICFG safe022_rmo.opt.i [2020-11-09 15:40:59,250 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 15:40:59,250 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 15:40:59,255 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-09 15:40:59,256 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 15:40:59,298 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,299 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,299 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,299 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,299 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,300 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,300 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,300 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,300 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,300 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,300 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,301 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,301 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,301 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,301 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,301 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,302 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,302 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,302 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,302 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,302 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,302 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,303 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,303 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,303 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,303 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,303 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,304 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,304 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,304 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,304 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,304 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,305 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,305 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,305 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,307 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,307 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,308 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,308 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,308 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,308 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,308 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,309 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,309 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,309 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,309 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,309 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,310 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,310 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,310 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,310 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,310 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,310 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,311 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,311 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,311 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,311 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,311 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,311 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,312 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,312 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,312 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,312 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,312 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,312 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,313 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,313 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,313 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,313 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,313 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,313 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,313 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,316 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,316 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,316 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,318 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,319 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,319 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,319 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,319 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,320 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,320 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,320 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,320 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,320 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,320 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,320 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,321 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,322 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,322 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,322 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,322 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,322 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,322 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,323 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,323 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,323 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,323 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,323 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,323 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,330 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,330 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,330 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,330 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,330 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,330 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,331 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,332 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,332 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,332 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,336 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,337 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,337 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,338 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,339 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,339 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,339 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,339 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,339 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,339 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,340 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,340 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,340 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,340 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,340 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,345 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,345 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,345 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,346 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,346 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,346 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,346 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,346 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,347 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,347 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,348 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:40:59,352 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-09 15:40:59,367 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-09 15:40:59,394 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 15:40:59,394 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 15:40:59,394 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 15:40:59,394 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 15:40:59,395 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 15:40:59,395 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 15:40:59,395 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 15:40:59,395 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 15:40:59,409 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 15:40:59,410 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 85 transitions, 180 flow [2020-11-09 15:40:59,414 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 85 transitions, 180 flow [2020-11-09 15:40:59,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 85 transitions, 180 flow [2020-11-09 15:40:59,462 INFO L129 PetriNetUnfolder]: 3/83 cut-off events. [2020-11-09 15:40:59,463 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-09 15:40:59,467 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 3/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 57 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2020-11-09 15:40:59,470 INFO L116 LiptonReduction]: Number of co-enabled transitions 1046 [2020-11-09 15:41:00,701 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-11-09 15:41:00,842 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-11-09 15:41:01,535 WARN L194 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 88 [2020-11-09 15:41:01,552 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 3, 2, 1] term [2020-11-09 15:41:01,552 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 15:41:02,098 WARN L194 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2020-11-09 15:41:02,688 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-11-09 15:41:02,819 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2020-11-09 15:41:02,995 WARN L194 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-11-09 15:41:03,509 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-11-09 15:41:03,626 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-11-09 15:41:03,904 WARN L194 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-09 15:41:04,153 WARN L194 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-09 15:41:04,662 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-11-09 15:41:04,814 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-11-09 15:41:05,591 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2020-11-09 15:41:07,362 WARN L194 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-11-09 15:41:07,588 WARN L194 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-11-09 15:41:08,070 WARN L194 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-11-09 15:41:08,304 WARN L194 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-11-09 15:41:08,318 INFO L131 LiptonReduction]: Checked pairs total: 2745 [2020-11-09 15:41:08,319 INFO L133 LiptonReduction]: Total number of compositions: 81 [2020-11-09 15:41:08,333 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 20 transitions, 50 flow [2020-11-09 15:41:08,364 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 164 states. [2020-11-09 15:41:08,367 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2020-11-09 15:41:08,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-09 15:41:08,374 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:41:08,375 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-09 15:41:08,376 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:41:08,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:41:08,387 INFO L82 PathProgramCache]: Analyzing trace with hash 950753, now seen corresponding path program 1 times [2020-11-09 15:41:08,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:41:08,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058489251] [2020-11-09 15:41:08,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:41:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:41:08,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:41:08,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058489251] [2020-11-09 15:41:08,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:41:08,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 15:41:08,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1022252299] [2020-11-09 15:41:08,735 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:41:08,738 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:41:08,751 INFO L252 McrAutomatonBuilder]: Finished intersection with 4 states and 3 transitions. [2020-11-09 15:41:08,751 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:41:08,756 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:41:08,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:41:08,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:41:08,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:41:08,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:41:08,776 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 3 states. [2020-11-09 15:41:08,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:41:08,837 INFO L93 Difference]: Finished difference Result 137 states and 320 transitions. [2020-11-09 15:41:08,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:41:08,839 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-11-09 15:41:08,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:41:08,850 INFO L225 Difference]: With dead ends: 137 [2020-11-09 15:41:08,850 INFO L226 Difference]: Without dead ends: 112 [2020-11-09 15:41:08,852 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 [2020-11-09 15:41:08,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-11-09 15:41:08,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2020-11-09 15:41:08,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-11-09 15:41:08,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 255 transitions. [2020-11-09 15:41:08,903 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 255 transitions. Word has length 3 [2020-11-09 15:41:08,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:41:08,904 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 255 transitions. [2020-11-09 15:41:08,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:41:08,904 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 255 transitions. [2020-11-09 15:41:08,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-09 15:41:08,905 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:41:08,905 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:41:08,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 15:41:08,905 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:41:08,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:41:08,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1908884964, now seen corresponding path program 1 times [2020-11-09 15:41:08,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:41:08,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305802558] [2020-11-09 15:41:08,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:41:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:41:08,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:41:08,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305802558] [2020-11-09 15:41:08,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:41:08,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 15:41:08,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1586174282] [2020-11-09 15:41:08,994 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:41:08,995 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:41:09,000 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-11-09 15:41:09,001 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:41:09,001 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:41:09,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:41:09,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:41:09,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:41:09,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:41:09,006 INFO L87 Difference]: Start difference. First operand 112 states and 255 transitions. Second operand 3 states. [2020-11-09 15:41:09,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:41:09,025 INFO L93 Difference]: Finished difference Result 107 states and 241 transitions. [2020-11-09 15:41:09,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:41:09,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-11-09 15:41:09,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:41:09,028 INFO L225 Difference]: With dead ends: 107 [2020-11-09 15:41:09,029 INFO L226 Difference]: Without dead ends: 107 [2020-11-09 15:41:09,029 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 [2020-11-09 15:41:09,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-09 15:41:09,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-11-09 15:41:09,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-11-09 15:41:09,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 241 transitions. [2020-11-09 15:41:09,043 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 241 transitions. Word has length 7 [2020-11-09 15:41:09,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:41:09,044 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 241 transitions. [2020-11-09 15:41:09,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:41:09,044 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 241 transitions. [2020-11-09 15:41:09,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-09 15:41:09,045 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:41:09,045 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:41:09,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 15:41:09,046 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:41:09,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:41:09,046 INFO L82 PathProgramCache]: Analyzing trace with hash -954931972, now seen corresponding path program 1 times [2020-11-09 15:41:09,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:41:09,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162611183] [2020-11-09 15:41:09,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:41:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:41:09,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:41:09,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162611183] [2020-11-09 15:41:09,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:41:09,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:41:09,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1132861717] [2020-11-09 15:41:09,154 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:41:09,154 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:41:09,156 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 12 transitions. [2020-11-09 15:41:09,156 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:41:09,252 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:41:09,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:41:09,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:41:09,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:41:09,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:41:09,256 INFO L87 Difference]: Start difference. First operand 107 states and 241 transitions. Second operand 4 states. [2020-11-09 15:41:09,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:41:09,299 INFO L93 Difference]: Finished difference Result 135 states and 294 transitions. [2020-11-09 15:41:09,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-09 15:41:09,300 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-11-09 15:41:09,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:41:09,301 INFO L225 Difference]: With dead ends: 135 [2020-11-09 15:41:09,301 INFO L226 Difference]: Without dead ends: 75 [2020-11-09 15:41:09,302 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:41:09,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-11-09 15:41:09,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-11-09 15:41:09,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-09 15:41:09,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 155 transitions. [2020-11-09 15:41:09,324 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 155 transitions. Word has length 8 [2020-11-09 15:41:09,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:41:09,324 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 155 transitions. [2020-11-09 15:41:09,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:41:09,324 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 155 transitions. [2020-11-09 15:41:09,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-09 15:41:09,325 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:41:09,326 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:41:09,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 15:41:09,329 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:41:09,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:41:09,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1805978540, now seen corresponding path program 1 times [2020-11-09 15:41:09,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:41:09,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337256382] [2020-11-09 15:41:09,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:41:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:41:09,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:41:09,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337256382] [2020-11-09 15:41:09,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:41:09,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 15:41:09,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1924666756] [2020-11-09 15:41:09,444 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:41:09,446 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:41:09,449 INFO L252 McrAutomatonBuilder]: Finished intersection with 20 states and 28 transitions. [2020-11-09 15:41:09,449 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:41:09,624 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:41:09,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:41:09,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:41:09,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:41:09,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:41:09,628 INFO L87 Difference]: Start difference. First operand 75 states and 155 transitions. Second operand 4 states. [2020-11-09 15:41:09,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:41:09,679 INFO L93 Difference]: Finished difference Result 66 states and 115 transitions. [2020-11-09 15:41:09,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 15:41:09,681 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-11-09 15:41:09,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:41:09,682 INFO L225 Difference]: With dead ends: 66 [2020-11-09 15:41:09,682 INFO L226 Difference]: Without dead ends: 49 [2020-11-09 15:41:09,683 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:41:09,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-09 15:41:09,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-11-09 15:41:09,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-09 15:41:09,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 81 transitions. [2020-11-09 15:41:09,692 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 81 transitions. Word has length 10 [2020-11-09 15:41:09,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:41:09,693 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 81 transitions. [2020-11-09 15:41:09,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:41:09,693 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 81 transitions. [2020-11-09 15:41:09,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-09 15:41:09,694 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:41:09,694 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:41:09,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 15:41:09,694 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:41:09,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:41:09,696 INFO L82 PathProgramCache]: Analyzing trace with hash -562859575, now seen corresponding path program 1 times [2020-11-09 15:41:09,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:41:09,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295206857] [2020-11-09 15:41:09,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:41:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:41:09,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:41:09,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295206857] [2020-11-09 15:41:09,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:41:09,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-09 15:41:09,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [68479045] [2020-11-09 15:41:09,885 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:41:09,889 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:41:09,895 INFO L252 McrAutomatonBuilder]: Finished intersection with 25 states and 36 transitions. [2020-11-09 15:41:09,895 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:41:09,959 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-09 15:41:09,990 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 2, 1] term [2020-11-09 15:41:09,990 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:09,992 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-11-09 15:41:09,993 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:09,994 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-11-09 15:41:09,995 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,036 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-11-09 15:41:10,036 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,038 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-11-09 15:41:10,038 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,040 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-11-09 15:41:10,040 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,128 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-11-09 15:41:10,129 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,130 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-11-09 15:41:10,130 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,132 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-11-09 15:41:10,132 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,168 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:41:10,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 15:41:10,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:41:10,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 15:41:10,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:41:10,170 INFO L87 Difference]: Start difference. First operand 49 states and 81 transitions. Second operand 5 states. [2020-11-09 15:41:10,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:41:10,238 INFO L93 Difference]: Finished difference Result 39 states and 59 transitions. [2020-11-09 15:41:10,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 15:41:10,239 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-11-09 15:41:10,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:41:10,239 INFO L225 Difference]: With dead ends: 39 [2020-11-09 15:41:10,239 INFO L226 Difference]: Without dead ends: 32 [2020-11-09 15:41:10,241 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 4 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-09 15:41:10,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-11-09 15:41:10,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-11-09 15:41:10,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-11-09 15:41:10,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 47 transitions. [2020-11-09 15:41:10,245 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 47 transitions. Word has length 12 [2020-11-09 15:41:10,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:41:10,249 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 47 transitions. [2020-11-09 15:41:10,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 15:41:10,250 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2020-11-09 15:41:10,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 15:41:10,251 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:41:10,251 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:41:10,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 15:41:10,251 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:41:10,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:41:10,252 INFO L82 PathProgramCache]: Analyzing trace with hash 2113074654, now seen corresponding path program 1 times [2020-11-09 15:41:10,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:41:10,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576533116] [2020-11-09 15:41:10,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:41:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:41:10,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:41:10,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576533116] [2020-11-09 15:41:10,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:41:10,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-09 15:41:10,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1583803259] [2020-11-09 15:41:10,495 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:41:10,499 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:41:10,509 INFO L252 McrAutomatonBuilder]: Finished intersection with 28 states and 39 transitions. [2020-11-09 15:41:10,509 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:41:10,524 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 4, 2, 3, 2, 1] term [2020-11-09 15:41:10,524 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,525 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-11-09 15:41:10,525 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,529 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-11-09 15:41:10,529 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,530 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-11-09 15:41:10,531 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,532 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-11-09 15:41:10,532 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,626 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 2, 1] term [2020-11-09 15:41:10,626 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,627 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-11-09 15:41:10,628 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,628 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-11-09 15:41:10,629 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,663 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 4, 2, 3, 2, 1] term [2020-11-09 15:41:10,663 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,664 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-11-09 15:41:10,664 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,668 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-11-09 15:41:10,669 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,670 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-11-09 15:41:10,670 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,671 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-11-09 15:41:10,672 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,841 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 4, 2, 3, 2, 1] term [2020-11-09 15:41:10,841 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,842 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-11-09 15:41:10,842 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,846 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 3, 3, 2, 1] term [2020-11-09 15:41:10,846 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,847 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 3, 2, 2, 1] term [2020-11-09 15:41:10,848 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,849 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 3, 2, 2, 1] term [2020-11-09 15:41:10,849 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-09 15:41:10,920 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [1685#(and (not (= (mod ~y$r_buff0_thd1~0 256) 0)) (= ~y$r_buff1_thd2~0 0) (= ~y$w_buff0~0 1) (not (= (mod ~y$w_buff0_used~0 256) 0)) (= ~y$r_buff0_thd2~0 0))] [2020-11-09 15:41:10,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 15:41:10,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:41:10,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 15:41:10,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-09 15:41:10,922 INFO L87 Difference]: Start difference. First operand 32 states and 47 transitions. Second operand 7 states. [2020-11-09 15:41:11,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:41:11,044 INFO L93 Difference]: Finished difference Result 40 states and 56 transitions. [2020-11-09 15:41:11,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-09 15:41:11,045 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-11-09 15:41:11,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:41:11,046 INFO L225 Difference]: With dead ends: 40 [2020-11-09 15:41:11,046 INFO L226 Difference]: Without dead ends: 24 [2020-11-09 15:41:11,047 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-11-09 15:41:11,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-11-09 15:41:11,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-11-09 15:41:11,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-11-09 15:41:11,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2020-11-09 15:41:11,051 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 31 transitions. Word has length 15 [2020-11-09 15:41:11,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:41:11,051 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 31 transitions. [2020-11-09 15:41:11,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 15:41:11,051 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2020-11-09 15:41:11,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 15:41:11,052 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:41:11,052 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:41:11,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 15:41:11,052 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:41:11,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:41:11,053 INFO L82 PathProgramCache]: Analyzing trace with hash 158884664, now seen corresponding path program 2 times [2020-11-09 15:41:11,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:41:11,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785239580] [2020-11-09 15:41:11,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:41:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 15:41:11,175 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 15:41:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 15:41:11,227 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 15:41:11,267 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 15:41:11,267 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 15:41:11,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-09 15:41:11,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 03:41:11 BasicIcfg [2020-11-09 15:41:11,349 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 15:41:11,351 INFO L168 Benchmark]: Toolchain (without parser) took 15844.28 ms. Allocated memory was 151.0 MB in the beginning and 266.3 MB in the end (delta: 115.3 MB). Free memory was 125.7 MB in the beginning and 150.8 MB in the end (delta: -25.1 MB). Peak memory consumption was 91.0 MB. Max. memory is 8.0 GB. [2020-11-09 15:41:11,351 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 151.0 MB. Free memory is still 122.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 15:41:11,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 877.86 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 128.4 MB in the end (delta: -3.2 MB). Peak memory consumption was 34.3 MB. Max. memory is 8.0 GB. [2020-11-09 15:41:11,353 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.82 ms. Allocated memory is still 151.0 MB. Free memory was 128.4 MB in the beginning and 125.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-11-09 15:41:11,354 INFO L168 Benchmark]: Boogie Preprocessor took 46.05 ms. Allocated memory is still 151.0 MB. Free memory was 125.8 MB in the beginning and 123.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 15:41:11,355 INFO L168 Benchmark]: RCFGBuilder took 2712.07 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 123.7 MB in the beginning and 139.5 MB in the end (delta: -15.8 MB). Peak memory consumption was 96.9 MB. Max. memory is 8.0 GB. [2020-11-09 15:41:11,356 INFO L168 Benchmark]: TraceAbstraction took 12127.08 ms. Allocated memory was 181.4 MB in the beginning and 266.3 MB in the end (delta: 84.9 MB). Free memory was 138.9 MB in the beginning and 150.8 MB in the end (delta: -11.9 MB). Peak memory consumption was 73.6 MB. Max. memory is 8.0 GB. [2020-11-09 15:41:11,360 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 151.0 MB. Free memory is still 122.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 877.86 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 128.4 MB in the end (delta: -3.2 MB). Peak memory consumption was 34.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 63.82 ms. Allocated memory is still 151.0 MB. Free memory was 128.4 MB in the beginning and 125.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 46.05 ms. Allocated memory is still 151.0 MB. Free memory was 125.8 MB in the beginning and 123.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2712.07 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 123.7 MB in the beginning and 139.5 MB in the end (delta: -15.8 MB). Peak memory consumption was 96.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 12127.08 ms. Allocated memory was 181.4 MB in the beginning and 266.3 MB in the end (delta: 84.9 MB). Free memory was 138.9 MB in the beginning and 150.8 MB in the end (delta: -11.9 MB). Peak memory consumption was 73.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 557 VarBasedMoverChecksPositive, 31 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 49 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 8.9s, 89 PlacesBefore, 26 PlacesAfterwards, 85 TransitionsBefore, 20 TransitionsAfterwards, 1046 CoEnabledTransitionPairs, 6 FixpointIterations, 33 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 81 TotalNumberOfCompositions, 2745 MoverChecksTotal - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p1_EAX = 0; [L712] 0 int __unbuffered_p1_EBX = 0; [L713] 0 _Bool main$tmp_guard0; [L714] 0 _Bool main$tmp_guard1; [L716] 0 int x = 0; [L718] 0 int y = 0; [L719] 0 _Bool y$flush_delayed; [L720] 0 int y$mem_tmp; [L721] 0 _Bool y$r_buff0_thd0; [L722] 0 _Bool y$r_buff0_thd1; [L723] 0 _Bool y$r_buff0_thd2; [L724] 0 _Bool y$r_buff1_thd0; [L725] 0 _Bool y$r_buff1_thd1; [L726] 0 _Bool y$r_buff1_thd2; [L727] 0 _Bool y$read_delayed; [L728] 0 int *y$read_delayed_var; [L729] 0 int y$w_buff0; [L730] 0 _Bool y$w_buff0_used; [L731] 0 int y$w_buff1; [L732] 0 _Bool y$w_buff1_used; [L733] 0 _Bool weak$$choice0; [L734] 0 _Bool weak$$choice2; [L807] 0 pthread_t t2315; [L808] FCALL, FORK 0 pthread_create(&t2315, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L809] 0 pthread_t t2316; [L810] FCALL, FORK 0 pthread_create(&t2316, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L738] 1 y$w_buff1 = y$w_buff0 [L739] 1 y$w_buff0 = 1 [L740] 1 y$w_buff1_used = y$w_buff0_used [L741] 1 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L743] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L744] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L745] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L746] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L749] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L766] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=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, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L769] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L770] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L771] 2 y$flush_delayed = weak$$choice2 [L772] 2 y$mem_tmp = y [L773] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L773] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L774] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L774] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L775] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L775] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L776] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L776] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L777] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L777] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L778] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L778] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L779] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L779] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] 2 __unbuffered_p1_EBX = y [L781] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L781] 2 y = y$flush_delayed ? y$mem_tmp : y [L782] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L752] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L752] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L753] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L753] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L754] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L754] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L755] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L755] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L756] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L756] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L759] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L761] 1 return 0; [L785] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L785] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L785] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L785] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L786] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L786] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L787] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L787] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L788] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L788] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L789] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L789] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L792] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L794] 2 return 0; [L812] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L3] COND FALSE 0 !(!cond) [L816] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L816] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L816] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L816] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L817] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L817] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L818] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L818] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L819] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L819] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L820] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L820] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L823] 0 main$tmp_guard1 = !(__unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "safe022_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 83 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.8s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.9s, HoareTripleCheckerStatistics: 92 SDtfs, 75 SDslu, 131 SDs, 0 SdLazy, 79 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 27 SyntacticMatches, 9 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 2159 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...