/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/rfi002_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 00:26:25,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 00:26:25,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 00:26:25,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 00:26:25,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 00:26:25,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 00:26:25,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 00:26:25,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 00:26:25,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 00:26:25,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 00:26:25,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 00:26:25,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 00:26:25,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 00:26:25,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 00:26:25,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 00:26:25,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 00:26:25,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 00:26:25,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 00:26:25,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 00:26:25,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 00:26:25,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 00:26:25,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 00:26:25,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 00:26:25,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 00:26:25,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 00:26:25,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 00:26:25,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 00:26:25,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 00:26:25,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 00:26:25,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 00:26:25,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 00:26:25,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 00:26:25,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 00:26:25,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 00:26:25,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 00:26:25,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 00:26:25,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 00:26:25,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 00:26:25,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 00:26:25,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 00:26:25,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 00:26:25,394 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 [2020-10-22 00:26:25,436 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 00:26:25,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 00:26:25,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 00:26:25,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 00:26:25,439 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 00:26:25,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 00:26:25,439 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 00:26:25,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 00:26:25,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 00:26:25,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 00:26:25,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 00:26:25,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 00:26:25,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 00:26:25,441 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 00:26:25,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 00:26:25,441 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 00:26:25,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 00:26:25,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 00:26:25,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 00:26:25,443 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 00:26:25,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 00:26:25,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 00:26:25,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 00:26:25,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 00:26:25,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 00:26:25,444 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 00:26:25,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 00:26:25,444 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 00:26:25,445 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 00:26:25,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 00:26:25,446 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 00:26:25,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 00:26:25,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 00:26:25,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 00:26:25,789 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 00:26:25,789 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 00:26:25,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi002_pso.opt.i [2020-10-22 00:26:25,848 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79bd37fd8/d9856490218c408186b7e9a0dd50a053/FLAG696d35707 [2020-10-22 00:26:26,430 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 00:26:26,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_pso.opt.i [2020-10-22 00:26:26,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79bd37fd8/d9856490218c408186b7e9a0dd50a053/FLAG696d35707 [2020-10-22 00:26:26,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79bd37fd8/d9856490218c408186b7e9a0dd50a053 [2020-10-22 00:26:26,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 00:26:26,716 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 00:26:26,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 00:26:26,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 00:26:26,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 00:26:26,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:26:26" (1/1) ... [2020-10-22 00:26:26,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cade521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:26:26, skipping insertion in model container [2020-10-22 00:26:26,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:26:26" (1/1) ... [2020-10-22 00:26:26,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 00:26:26,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 00:26:27,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 00:26:27,426 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 00:26:27,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 00:26:27,598 INFO L208 MainTranslator]: Completed translation [2020-10-22 00:26:27,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:26:27 WrapperNode [2020-10-22 00:26:27,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 00:26:27,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 00:26:27,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 00:26:27,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 00:26:27,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:26:27" (1/1) ... [2020-10-22 00:26:27,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:26:27" (1/1) ... [2020-10-22 00:26:27,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 00:26:27,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 00:26:27,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 00:26:27,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 00:26:27,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:26:27" (1/1) ... [2020-10-22 00:26:27,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:26:27" (1/1) ... [2020-10-22 00:26:27,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:26:27" (1/1) ... [2020-10-22 00:26:27,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:26:27" (1/1) ... [2020-10-22 00:26:27,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:26:27" (1/1) ... [2020-10-22 00:26:27,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:26:27" (1/1) ... [2020-10-22 00:26:27,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:26:27" (1/1) ... [2020-10-22 00:26:27,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 00:26:27,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 00:26:27,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 00:26:27,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 00:26:27,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:26:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 00:26:27,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 00:26:27,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-22 00:26:27,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 00:26:27,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 00:26:27,849 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-22 00:26:27,849 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-22 00:26:27,850 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-22 00:26:27,850 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-22 00:26:27,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 00:26:27,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-22 00:26:27,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 00:26:27,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 00:26:27,855 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 00:26:31,482 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 00:26:31,483 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-22 00:26:31,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:26:31 BoogieIcfgContainer [2020-10-22 00:26:31,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 00:26:31,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 00:26:31,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 00:26:31,496 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 00:26:31,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 12:26:26" (1/3) ... [2020-10-22 00:26:31,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb47e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:26:31, skipping insertion in model container [2020-10-22 00:26:31,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:26:27" (2/3) ... [2020-10-22 00:26:31,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb47e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:26:31, skipping insertion in model container [2020-10-22 00:26:31,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:26:31" (3/3) ... [2020-10-22 00:26:31,504 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi002_pso.opt.i [2020-10-22 00:26:31,522 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 00:26:31,522 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 00:26:31,537 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-22 00:26:31,538 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 00:26:31,613 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,613 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,614 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,614 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,615 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,615 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,615 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,615 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,616 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,616 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,616 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,617 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,617 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,617 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,618 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,618 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,618 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,618 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,619 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,619 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,619 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,620 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,620 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,620 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,620 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,621 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,621 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,621 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,621 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,622 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,622 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,622 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,622 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,623 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,623 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,623 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,624 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,626 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,626 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,626 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,627 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,628 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,629 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,633 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,633 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,633 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,634 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,634 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,635 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,635 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,635 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,635 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,636 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,636 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,638 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,643 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,643 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,644 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,644 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,644 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,645 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,646 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,646 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,646 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,647 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,647 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,647 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,647 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,648 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,648 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,649 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,653 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,654 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,655 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,655 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,659 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,659 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,659 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,660 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,668 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,668 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,668 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,675 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,676 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,676 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,676 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,677 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,677 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,677 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,678 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,678 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,678 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,678 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,679 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,679 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,679 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,680 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,680 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,680 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,681 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,681 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,681 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,681 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,682 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,682 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,682 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,683 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,683 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,683 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,683 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,683 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,685 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,685 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,685 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,685 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,687 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,687 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,687 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,694 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,695 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,695 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,695 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,696 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,696 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,696 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,696 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,698 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,698 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,698 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,698 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,699 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,699 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,699 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,699 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,700 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,700 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,700 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,700 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,700 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:26:31,702 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 00:26:31,721 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-22 00:26:31,752 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 00:26:31,753 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 00:26:31,753 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 00:26:31,753 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 00:26:31,753 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 00:26:31,754 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 00:26:31,754 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 00:26:31,754 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 00:26:31,771 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 00:26:31,772 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 89 transitions, 188 flow [2020-10-22 00:26:31,777 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 89 transitions, 188 flow [2020-10-22 00:26:31,780 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 93 places, 89 transitions, 188 flow [2020-10-22 00:26:31,836 INFO L129 PetriNetUnfolder]: 3/87 cut-off events. [2020-10-22 00:26:31,836 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 00:26:31,842 INFO L80 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 87 events. 3/87 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2020-10-22 00:26:31,845 INFO L116 LiptonReduction]: Number of co-enabled transitions 1268 [2020-10-22 00:26:32,334 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2020-10-22 00:26:33,076 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-10-22 00:26:33,237 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-22 00:26:34,555 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2020-10-22 00:26:34,591 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 2, 2, 1] term [2020-10-22 00:26:34,592 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-22 00:26:34,596 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 1] term [2020-10-22 00:26:34,596 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-22 00:26:35,782 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 145 DAG size of output: 124 [2020-10-22 00:26:36,460 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-10-22 00:26:36,667 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-10-22 00:26:37,078 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2020-10-22 00:26:37,252 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-22 00:26:37,258 INFO L131 LiptonReduction]: Checked pairs total: 3608 [2020-10-22 00:26:37,259 INFO L133 LiptonReduction]: Total number of compositions: 80 [2020-10-22 00:26:37,266 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 23 transitions, 56 flow [2020-10-22 00:26:37,290 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 266 states. [2020-10-22 00:26:37,292 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states. [2020-10-22 00:26:37,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-22 00:26:37,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:26:37,299 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-22 00:26:37,299 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:26:37,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:26:37,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1629390214, now seen corresponding path program 1 times [2020-10-22 00:26:37,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:26:37,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814021072] [2020-10-22 00:26:37,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:26:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:26:37,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:26:37,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814021072] [2020-10-22 00:26:37,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:26:37,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 00:26:37,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [320398742] [2020-10-22 00:26:37,568 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:26:37,571 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:26:37,584 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-22 00:26:37,584 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:26:37,589 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:26:37,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 00:26:37,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:26:37,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 00:26:37,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:26:37,605 INFO L87 Difference]: Start difference. First operand 266 states. Second operand 3 states. [2020-10-22 00:26:37,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:26:37,693 INFO L93 Difference]: Finished difference Result 230 states and 564 transitions. [2020-10-22 00:26:37,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 00:26:37,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-22 00:26:37,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:26:37,710 INFO L225 Difference]: With dead ends: 230 [2020-10-22 00:26:37,710 INFO L226 Difference]: Without dead ends: 194 [2020-10-22 00:26:37,711 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:26:37,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-10-22 00:26:37,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2020-10-22 00:26:37,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-10-22 00:26:37,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 468 transitions. [2020-10-22 00:26:37,767 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 468 transitions. Word has length 5 [2020-10-22 00:26:37,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:26:37,767 INFO L481 AbstractCegarLoop]: Abstraction has 194 states and 468 transitions. [2020-10-22 00:26:37,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 00:26:37,768 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 468 transitions. [2020-10-22 00:26:37,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-22 00:26:37,769 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:26:37,769 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:26:37,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 00:26:37,769 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:26:37,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:26:37,770 INFO L82 PathProgramCache]: Analyzing trace with hash -554606421, now seen corresponding path program 1 times [2020-10-22 00:26:37,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:26:37,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980728561] [2020-10-22 00:26:37,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:26:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:26:37,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:26:37,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980728561] [2020-10-22 00:26:37,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:26:37,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 00:26:37,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [178248382] [2020-10-22 00:26:37,981 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:26:37,983 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:26:37,985 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-10-22 00:26:37,985 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:26:37,985 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:26:37,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:26:37,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:26:37,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:26:37,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:26:37,988 INFO L87 Difference]: Start difference. First operand 194 states and 468 transitions. Second operand 4 states. [2020-10-22 00:26:38,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:26:38,039 INFO L93 Difference]: Finished difference Result 206 states and 472 transitions. [2020-10-22 00:26:38,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 00:26:38,039 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-22 00:26:38,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:26:38,041 INFO L225 Difference]: With dead ends: 206 [2020-10-22 00:26:38,042 INFO L226 Difference]: Without dead ends: 170 [2020-10-22 00:26:38,042 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:26:38,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-10-22 00:26:38,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2020-10-22 00:26:38,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-10-22 00:26:38,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 400 transitions. [2020-10-22 00:26:38,057 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 400 transitions. Word has length 8 [2020-10-22 00:26:38,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:26:38,057 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 400 transitions. [2020-10-22 00:26:38,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:26:38,057 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 400 transitions. [2020-10-22 00:26:38,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 00:26:38,059 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:26:38,059 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:26:38,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 00:26:38,059 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:26:38,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:26:38,060 INFO L82 PathProgramCache]: Analyzing trace with hash -401545554, now seen corresponding path program 1 times [2020-10-22 00:26:38,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:26:38,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606064981] [2020-10-22 00:26:38,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:26:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:26:38,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:26:38,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606064981] [2020-10-22 00:26:38,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:26:38,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 00:26:38,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [235281232] [2020-10-22 00:26:38,174 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:26:38,175 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:26:38,178 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-22 00:26:38,178 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:26:38,178 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:26:38,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 00:26:38,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:26:38,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 00:26:38,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 00:26:38,179 INFO L87 Difference]: Start difference. First operand 170 states and 400 transitions. Second operand 5 states. [2020-10-22 00:26:38,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:26:38,313 INFO L93 Difference]: Finished difference Result 170 states and 384 transitions. [2020-10-22 00:26:38,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 00:26:38,313 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-22 00:26:38,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:26:38,315 INFO L225 Difference]: With dead ends: 170 [2020-10-22 00:26:38,315 INFO L226 Difference]: Without dead ends: 146 [2020-10-22 00:26:38,316 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-22 00:26:38,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-22 00:26:38,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2020-10-22 00:26:38,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-10-22 00:26:38,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 334 transitions. [2020-10-22 00:26:38,326 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 334 transitions. Word has length 10 [2020-10-22 00:26:38,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:26:38,327 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 334 transitions. [2020-10-22 00:26:38,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 00:26:38,327 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 334 transitions. [2020-10-22 00:26:38,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 00:26:38,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:26:38,329 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:26:38,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 00:26:38,329 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:26:38,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:26:38,329 INFO L82 PathProgramCache]: Analyzing trace with hash 2037542707, now seen corresponding path program 1 times [2020-10-22 00:26:38,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:26:38,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453132883] [2020-10-22 00:26:38,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:26:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:26:38,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:26:38,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453132883] [2020-10-22 00:26:38,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:26:38,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-22 00:26:38,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1228393514] [2020-10-22 00:26:38,724 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:26:38,728 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:26:38,733 INFO L252 McrAutomatonBuilder]: Finished intersection with 17 states and 19 transitions. [2020-10-22 00:26:38,733 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:26:38,776 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:26:38,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-22 00:26:38,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:26:38,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-22 00:26:38,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-22 00:26:38,778 INFO L87 Difference]: Start difference. First operand 146 states and 334 transitions. Second operand 9 states. [2020-10-22 00:26:39,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:26:39,008 INFO L93 Difference]: Finished difference Result 190 states and 431 transitions. [2020-10-22 00:26:39,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 00:26:39,009 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 13 [2020-10-22 00:26:39,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:26:39,012 INFO L225 Difference]: With dead ends: 190 [2020-10-22 00:26:39,013 INFO L226 Difference]: Without dead ends: 176 [2020-10-22 00:26:39,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-22 00:26:39,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-10-22 00:26:39,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 164. [2020-10-22 00:26:39,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-10-22 00:26:39,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 376 transitions. [2020-10-22 00:26:39,025 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 376 transitions. Word has length 13 [2020-10-22 00:26:39,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:26:39,025 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 376 transitions. [2020-10-22 00:26:39,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-22 00:26:39,025 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 376 transitions. [2020-10-22 00:26:39,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 00:26:39,027 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:26:39,027 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:26:39,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 00:26:39,027 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:26:39,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:26:39,028 INFO L82 PathProgramCache]: Analyzing trace with hash 2081912077, now seen corresponding path program 2 times [2020-10-22 00:26:39,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:26:39,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334606002] [2020-10-22 00:26:39,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:26:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:26:39,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:26:39,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334606002] [2020-10-22 00:26:39,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:26:39,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-22 00:26:39,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1775961623] [2020-10-22 00:26:39,443 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:26:39,446 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:26:39,451 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 21 transitions. [2020-10-22 00:26:39,452 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:26:39,506 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:26:39,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-22 00:26:39,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:26:39,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-22 00:26:39,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-22 00:26:39,508 INFO L87 Difference]: Start difference. First operand 164 states and 376 transitions. Second operand 9 states. [2020-10-22 00:26:39,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:26:39,773 INFO L93 Difference]: Finished difference Result 206 states and 470 transitions. [2020-10-22 00:26:39,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 00:26:39,774 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 13 [2020-10-22 00:26:39,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:26:39,776 INFO L225 Difference]: With dead ends: 206 [2020-10-22 00:26:39,776 INFO L226 Difference]: Without dead ends: 194 [2020-10-22 00:26:39,777 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-22 00:26:39,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-10-22 00:26:39,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 176. [2020-10-22 00:26:39,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-10-22 00:26:39,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 408 transitions. [2020-10-22 00:26:39,786 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 408 transitions. Word has length 13 [2020-10-22 00:26:39,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:26:39,786 INFO L481 AbstractCegarLoop]: Abstraction has 176 states and 408 transitions. [2020-10-22 00:26:39,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-22 00:26:39,786 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 408 transitions. [2020-10-22 00:26:39,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 00:26:39,788 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:26:39,788 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:26:39,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 00:26:39,789 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:26:39,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:26:39,789 INFO L82 PathProgramCache]: Analyzing trace with hash -93333437, now seen corresponding path program 3 times [2020-10-22 00:26:39,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:26:39,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037899940] [2020-10-22 00:26:39,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:26:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:26:40,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:26:40,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037899940] [2020-10-22 00:26:40,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:26:40,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-22 00:26:40,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [100808658] [2020-10-22 00:26:40,046 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:26:40,049 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:26:40,054 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 21 transitions. [2020-10-22 00:26:40,054 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:26:40,203 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [3376#(and (= ~x~0 1) (= 0 ~x$r_buff0_thd0~0) (= 0 ~x$r_buff0_thd1~0))] [2020-10-22 00:26:40,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-22 00:26:40,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:26:40,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-22 00:26:40,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-22 00:26:40,206 INFO L87 Difference]: Start difference. First operand 176 states and 408 transitions. Second operand 9 states. [2020-10-22 00:26:40,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:26:40,483 INFO L93 Difference]: Finished difference Result 236 states and 529 transitions. [2020-10-22 00:26:40,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 00:26:40,485 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 13 [2020-10-22 00:26:40,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:26:40,486 INFO L225 Difference]: With dead ends: 236 [2020-10-22 00:26:40,487 INFO L226 Difference]: Without dead ends: 179 [2020-10-22 00:26:40,487 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-22 00:26:40,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-10-22 00:26:40,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 149. [2020-10-22 00:26:40,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-10-22 00:26:40,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 339 transitions. [2020-10-22 00:26:40,494 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 339 transitions. Word has length 13 [2020-10-22 00:26:40,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:26:40,494 INFO L481 AbstractCegarLoop]: Abstraction has 149 states and 339 transitions. [2020-10-22 00:26:40,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-22 00:26:40,494 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 339 transitions. [2020-10-22 00:26:40,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 00:26:40,496 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:26:40,496 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:26:40,496 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 00:26:40,497 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:26:40,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:26:40,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1260744621, now seen corresponding path program 1 times [2020-10-22 00:26:40,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:26:40,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793022910] [2020-10-22 00:26:40,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:26:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:26:40,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:26:40,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793022910] [2020-10-22 00:26:40,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:26:40,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-22 00:26:40,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [517903083] [2020-10-22 00:26:40,737 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:26:40,740 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:26:40,747 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 20 transitions. [2020-10-22 00:26:40,747 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:26:40,799 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:26:40,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-22 00:26:40,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:26:40,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-22 00:26:40,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-22 00:26:40,800 INFO L87 Difference]: Start difference. First operand 149 states and 339 transitions. Second operand 9 states. [2020-10-22 00:26:41,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:26:41,079 INFO L93 Difference]: Finished difference Result 196 states and 444 transitions. [2020-10-22 00:26:41,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-22 00:26:41,081 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-10-22 00:26:41,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:26:41,083 INFO L225 Difference]: With dead ends: 196 [2020-10-22 00:26:41,083 INFO L226 Difference]: Without dead ends: 185 [2020-10-22 00:26:41,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-22 00:26:41,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-10-22 00:26:41,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 170. [2020-10-22 00:26:41,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-10-22 00:26:41,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 389 transitions. [2020-10-22 00:26:41,094 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 389 transitions. Word has length 14 [2020-10-22 00:26:41,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:26:41,094 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 389 transitions. [2020-10-22 00:26:41,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-22 00:26:41,094 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 389 transitions. [2020-10-22 00:26:41,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 00:26:41,099 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:26:41,099 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:26:41,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-22 00:26:41,100 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:26:41,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:26:41,102 INFO L82 PathProgramCache]: Analyzing trace with hash 114994149, now seen corresponding path program 2 times [2020-10-22 00:26:41,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:26:41,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504883732] [2020-10-22 00:26:41,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:26:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:26:41,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:26:41,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504883732] [2020-10-22 00:26:41,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:26:41,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-22 00:26:41,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [748604784] [2020-10-22 00:26:41,311 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:26:41,314 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:26:41,320 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 20 transitions. [2020-10-22 00:26:41,320 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:26:41,377 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:26:41,377 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-22 00:26:41,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:26:41,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-22 00:26:41,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-22 00:26:41,378 INFO L87 Difference]: Start difference. First operand 170 states and 389 transitions. Second operand 9 states. [2020-10-22 00:26:41,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:26:41,693 INFO L93 Difference]: Finished difference Result 260 states and 593 transitions. [2020-10-22 00:26:41,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 00:26:41,693 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-10-22 00:26:41,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:26:41,695 INFO L225 Difference]: With dead ends: 260 [2020-10-22 00:26:41,695 INFO L226 Difference]: Without dead ends: 124 [2020-10-22 00:26:41,695 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-10-22 00:26:41,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-10-22 00:26:41,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2020-10-22 00:26:41,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-22 00:26:41,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 279 transitions. [2020-10-22 00:26:41,700 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 279 transitions. Word has length 14 [2020-10-22 00:26:41,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:26:41,700 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 279 transitions. [2020-10-22 00:26:41,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-22 00:26:41,700 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 279 transitions. [2020-10-22 00:26:41,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 00:26:41,701 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:26:41,701 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:26:41,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-22 00:26:41,702 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:26:41,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:26:41,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1411690981, now seen corresponding path program 3 times [2020-10-22 00:26:41,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:26:41,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042275395] [2020-10-22 00:26:41,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:26:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:26:41,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:26:41,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042275395] [2020-10-22 00:26:41,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:26:41,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-22 00:26:41,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1930435614] [2020-10-22 00:26:41,999 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:26:42,002 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:26:42,007 INFO L252 McrAutomatonBuilder]: Finished intersection with 17 states and 18 transitions. [2020-10-22 00:26:42,007 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:26:42,043 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [4996#(and (= ~x~0 1) (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0))] [2020-10-22 00:26:42,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-22 00:26:42,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:26:42,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-22 00:26:42,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-22 00:26:42,044 INFO L87 Difference]: Start difference. First operand 124 states and 279 transitions. Second operand 10 states. [2020-10-22 00:26:42,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:26:42,698 INFO L93 Difference]: Finished difference Result 223 states and 467 transitions. [2020-10-22 00:26:42,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-22 00:26:42,700 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2020-10-22 00:26:42,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:26:42,701 INFO L225 Difference]: With dead ends: 223 [2020-10-22 00:26:42,701 INFO L226 Difference]: Without dead ends: 135 [2020-10-22 00:26:42,701 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2020-10-22 00:26:42,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-10-22 00:26:42,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 112. [2020-10-22 00:26:42,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-22 00:26:42,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 233 transitions. [2020-10-22 00:26:42,706 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 233 transitions. Word has length 14 [2020-10-22 00:26:42,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:26:42,706 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 233 transitions. [2020-10-22 00:26:42,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-22 00:26:42,707 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 233 transitions. [2020-10-22 00:26:42,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 00:26:42,707 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:26:42,707 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:26:42,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-22 00:26:42,708 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:26:42,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:26:42,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1398066661, now seen corresponding path program 4 times [2020-10-22 00:26:42,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:26:42,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440581325] [2020-10-22 00:26:42,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:26:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:26:42,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:26:42,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440581325] [2020-10-22 00:26:42,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:26:42,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-22 00:26:42,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1266267365] [2020-10-22 00:26:42,912 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:26:42,915 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:26:42,969 INFO L252 McrAutomatonBuilder]: Finished intersection with 27 states and 40 transitions. [2020-10-22 00:26:42,969 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:26:43,281 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:26:43,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-22 00:26:43,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:26:43,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-22 00:26:43,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-22 00:26:43,283 INFO L87 Difference]: Start difference. First operand 112 states and 233 transitions. Second operand 6 states. [2020-10-22 00:26:43,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:26:43,480 INFO L93 Difference]: Finished difference Result 123 states and 248 transitions. [2020-10-22 00:26:43,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 00:26:43,481 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-22 00:26:43,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:26:43,482 INFO L225 Difference]: With dead ends: 123 [2020-10-22 00:26:43,483 INFO L226 Difference]: Without dead ends: 112 [2020-10-22 00:26:43,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 8 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-22 00:26:43,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-10-22 00:26:43,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110. [2020-10-22 00:26:43,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-22 00:26:43,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 227 transitions. [2020-10-22 00:26:43,488 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 227 transitions. Word has length 14 [2020-10-22 00:26:43,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:26:43,488 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 227 transitions. [2020-10-22 00:26:43,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-22 00:26:43,488 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 227 transitions. [2020-10-22 00:26:43,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-22 00:26:43,489 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:26:43,489 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:26:43,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-22 00:26:43,490 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:26:43,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:26:43,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1805697456, now seen corresponding path program 1 times [2020-10-22 00:26:43,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:26:43,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355872667] [2020-10-22 00:26:43,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:26:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:26:43,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:26:43,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355872667] [2020-10-22 00:26:43,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:26:43,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 00:26:43,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [958792277] [2020-10-22 00:26:43,717 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:26:43,722 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:26:43,729 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2020-10-22 00:26:43,729 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:26:43,729 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:26:43,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 00:26:43,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:26:43,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 00:26:43,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-22 00:26:43,731 INFO L87 Difference]: Start difference. First operand 110 states and 227 transitions. Second operand 7 states. [2020-10-22 00:26:43,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:26:43,883 INFO L93 Difference]: Finished difference Result 136 states and 276 transitions. [2020-10-22 00:26:43,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 00:26:43,884 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-10-22 00:26:43,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:26:43,885 INFO L225 Difference]: With dead ends: 136 [2020-10-22 00:26:43,885 INFO L226 Difference]: Without dead ends: 100 [2020-10-22 00:26:43,886 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-22 00:26:43,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-10-22 00:26:43,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 98. [2020-10-22 00:26:43,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-22 00:26:43,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 195 transitions. [2020-10-22 00:26:43,889 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 195 transitions. Word has length 15 [2020-10-22 00:26:43,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:26:43,892 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 195 transitions. [2020-10-22 00:26:43,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 00:26:43,893 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 195 transitions. [2020-10-22 00:26:43,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-22 00:26:43,894 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:26:43,894 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:26:43,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-22 00:26:43,894 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:26:43,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:26:43,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1794655566, now seen corresponding path program 2 times [2020-10-22 00:26:43,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:26:43,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075096511] [2020-10-22 00:26:43,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:26:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:26:44,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:26:44,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075096511] [2020-10-22 00:26:44,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:26:44,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-22 00:26:44,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2072465919] [2020-10-22 00:26:44,075 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:26:44,078 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:26:44,084 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2020-10-22 00:26:44,085 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:26:44,085 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:26:44,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-22 00:26:44,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:26:44,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-22 00:26:44,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-22 00:26:44,087 INFO L87 Difference]: Start difference. First operand 98 states and 195 transitions. Second operand 6 states. [2020-10-22 00:26:44,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:26:44,213 INFO L93 Difference]: Finished difference Result 112 states and 218 transitions. [2020-10-22 00:26:44,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 00:26:44,214 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-22 00:26:44,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:26:44,214 INFO L225 Difference]: With dead ends: 112 [2020-10-22 00:26:44,214 INFO L226 Difference]: Without dead ends: 67 [2020-10-22 00:26:44,215 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-22 00:26:44,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-22 00:26:44,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-10-22 00:26:44,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-22 00:26:44,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 128 transitions. [2020-10-22 00:26:44,217 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 128 transitions. Word has length 15 [2020-10-22 00:26:44,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:26:44,219 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 128 transitions. [2020-10-22 00:26:44,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-22 00:26:44,219 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 128 transitions. [2020-10-22 00:26:44,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-22 00:26:44,219 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:26:44,220 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:26:44,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-22 00:26:44,220 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:26:44,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:26:44,220 INFO L82 PathProgramCache]: Analyzing trace with hash -390451668, now seen corresponding path program 3 times [2020-10-22 00:26:44,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:26:44,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669755313] [2020-10-22 00:26:44,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:26:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:26:44,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:26:44,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669755313] [2020-10-22 00:26:44,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:26:44,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-22 00:26:44,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1229400086] [2020-10-22 00:26:44,663 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:26:44,669 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:26:44,682 INFO L252 McrAutomatonBuilder]: Finished intersection with 28 states and 41 transitions. [2020-10-22 00:26:44,682 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:26:46,625 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 244 DAG size of output: 234 [2020-10-22 00:26:46,780 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 6, 2, 1] term [2020-10-22 00:26:46,782 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:26:46,794 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 6, 3, 2, 1] term [2020-10-22 00:26:46,795 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:26:46,795 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 6, 1] term [2020-10-22 00:26:46,796 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:26:46,798 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 4, 4, 3, 3, 2, 1] term [2020-10-22 00:26:46,798 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:26:46,799 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 4, 4, 3, 2, 1] term [2020-10-22 00:26:46,800 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:26:46,800 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 4, 4, 3, 2, 1] term [2020-10-22 00:26:46,800 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:26:46,803 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 6, 3, 6, 1] term [2020-10-22 00:26:46,804 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:26:46,805 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 3, 6, 2, 6, 1] term [2020-10-22 00:26:46,805 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:26:46,806 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 3, 6, 2, 6, 1] term [2020-10-22 00:26:46,806 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:26:46,808 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-22 00:26:46,808 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:26:46,810 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-22 00:26:46,810 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:26:46,811 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-22 00:26:46,811 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:26:46,812 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-22 00:26:46,813 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:26:46,814 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-22 00:26:46,814 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:26:46,815 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 4, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1] term [2020-10-22 00:26:46,815 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-22 00:26:46,818 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-22 00:26:46,822 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 00:26:46,833 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-10-22 00:26:46,855 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-10-22 00:26:46,894 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-10-22 00:26:46,967 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 00:26:47,127 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 00:26:47,238 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 00:26:47,339 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 00:26:47,459 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 00:26:47,568 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-22 00:26:47,925 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [6422#(or (and (= ~x~0 1) (= 0 ~x$r_buff0_thd0~0) (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0)) (not (= (mod ~x$w_buff0_used~0 256) 0)))] [2020-10-22 00:26:47,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-22 00:26:47,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:26:47,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-22 00:26:47,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-22 00:26:47,927 INFO L87 Difference]: Start difference. First operand 67 states and 128 transitions. Second operand 11 states. [2020-10-22 00:26:48,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:26:48,229 INFO L93 Difference]: Finished difference Result 59 states and 110 transitions. [2020-10-22 00:26:48,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-22 00:26:48,230 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-10-22 00:26:48,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:26:48,230 INFO L225 Difference]: With dead ends: 59 [2020-10-22 00:26:48,231 INFO L226 Difference]: Without dead ends: 0 [2020-10-22 00:26:48,231 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 6 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-10-22 00:26:48,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-22 00:26:48,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-22 00:26:48,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-22 00:26:48,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-22 00:26:48,232 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-10-22 00:26:48,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:26:48,232 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-22 00:26:48,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-22 00:26:48,233 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-22 00:26:48,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-22 00:26:48,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-22 00:26:48,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 12:26:48 BasicIcfg [2020-10-22 00:26:48,237 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 00:26:48,239 INFO L168 Benchmark]: Toolchain (without parser) took 21527.96 ms. Allocated memory was 146.3 MB in the beginning and 499.1 MB in the end (delta: 352.8 MB). Free memory was 100.3 MB in the beginning and 412.7 MB in the end (delta: -312.4 MB). Peak memory consumption was 40.5 MB. Max. memory is 7.1 GB. [2020-10-22 00:26:48,239 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-22 00:26:48,240 INFO L168 Benchmark]: CACSL2BoogieTranslator took 883.20 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 99.5 MB in the beginning and 151.0 MB in the end (delta: -51.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2020-10-22 00:26:48,241 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.41 ms. Allocated memory is still 203.4 MB. Free memory was 151.0 MB in the beginning and 147.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-10-22 00:26:48,241 INFO L168 Benchmark]: Boogie Preprocessor took 49.66 ms. Allocated memory is still 203.4 MB. Free memory was 147.6 MB in the beginning and 144.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-10-22 00:26:48,242 INFO L168 Benchmark]: RCFGBuilder took 3744.42 ms. Allocated memory was 203.4 MB in the beginning and 295.7 MB in the end (delta: 92.3 MB). Free memory was 144.2 MB in the beginning and 255.7 MB in the end (delta: -111.5 MB). Peak memory consumption was 104.0 MB. Max. memory is 7.1 GB. [2020-10-22 00:26:48,243 INFO L168 Benchmark]: TraceAbstraction took 16746.46 ms. Allocated memory was 295.7 MB in the beginning and 499.1 MB in the end (delta: 203.4 MB). Free memory was 255.7 MB in the beginning and 412.7 MB in the end (delta: -157.0 MB). Peak memory consumption was 46.4 MB. Max. memory is 7.1 GB. [2020-10-22 00:26:48,246 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 883.20 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 99.5 MB in the beginning and 151.0 MB in the end (delta: -51.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 93.41 ms. Allocated memory is still 203.4 MB. Free memory was 151.0 MB in the beginning and 147.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.66 ms. Allocated memory is still 203.4 MB. Free memory was 147.6 MB in the beginning and 144.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3744.42 ms. Allocated memory was 203.4 MB in the beginning and 295.7 MB in the end (delta: 92.3 MB). Free memory was 144.2 MB in the beginning and 255.7 MB in the end (delta: -111.5 MB). Peak memory consumption was 104.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16746.46 ms. Allocated memory was 295.7 MB in the beginning and 499.1 MB in the end (delta: 203.4 MB). Free memory was 255.7 MB in the beginning and 412.7 MB in the end (delta: -157.0 MB). Peak memory consumption was 46.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 650 VarBasedMoverChecksPositive, 34 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 56 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.4s, 93 PlacesBefore, 29 PlacesAfterwards, 89 TransitionsBefore, 23 TransitionsAfterwards, 1268 CoEnabledTransitionPairs, 7 FixpointIterations, 34 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 80 TotalNumberOfCompositions, 3608 MoverChecksTotal - PositiveResult [Line: 18]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 18]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 87 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.4s, OverallIterations: 13, TraceHistogramMax: 1, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.5s, HoareTripleCheckerStatistics: 238 SDtfs, 293 SDslu, 630 SDs, 0 SdLazy, 772 SolverSat, 299 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 31 SyntacticMatches, 17 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=266occurred 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: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 102 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 163 NumberOfCodeBlocks, 163 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 23607 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...