/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/rfi002_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:05:46,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:05:46,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:05:46,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:05:46,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:05:46,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:05:46,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:05:46,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:05:46,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:05:46,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:05:46,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:05:46,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:05:46,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:05:46,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:05:46,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:05:46,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:05:46,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:05:46,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:05:46,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:05:46,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:05:46,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:05:46,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:05:46,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:05:46,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:05:46,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:05:46,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:05:46,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:05:46,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:05:46,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:05:46,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:05:46,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:05:46,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:05:46,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:05:46,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:05:46,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:05:46,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:05:46,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:05:46,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:05:46,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:05:46,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:05:46,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:05:46,874 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-16 12:05:46,898 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:05:46,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:05:46,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:05:46,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:05:46,900 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:05:46,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:05:46,901 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:05:46,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:05:46,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:05:46,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:05:46,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:05:46,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:05:46,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:05:46,902 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:05:46,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:05:46,902 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:05:46,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:05:46,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:05:46,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:05:46,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:05:46,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:05:46,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:05:46,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:05:46,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:05:46,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:05:46,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:05:46,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:05:46,905 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:05:46,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:05:47,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:05:47,245 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:05:47,249 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:05:47,251 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:05:47,253 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:05:47,254 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi002_rmo.opt.i [2020-10-16 12:05:47,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ccd6f54b/487956dd778643299c505da5442720cb/FLAGa5d02a161 [2020-10-16 12:05:47,914 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:05:47,914 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/rfi002_rmo.opt.i [2020-10-16 12:05:47,931 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ccd6f54b/487956dd778643299c505da5442720cb/FLAGa5d02a161 [2020-10-16 12:05:48,208 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ccd6f54b/487956dd778643299c505da5442720cb [2020-10-16 12:05:48,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:05:48,217 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:05:48,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:05:48,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:05:48,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:05:48,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:05:48" (1/1) ... [2020-10-16 12:05:48,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c7aa1ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:48, skipping insertion in model container [2020-10-16 12:05:48,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:05:48" (1/1) ... [2020-10-16 12:05:48,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:05:48,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:05:48,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:05:48,840 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:05:48,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:05:49,037 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:05:49,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:49 WrapperNode [2020-10-16 12:05:49,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:05:49,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:05:49,039 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:05:49,039 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:05:49,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:49" (1/1) ... [2020-10-16 12:05:49,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:49" (1/1) ... [2020-10-16 12:05:49,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:05:49,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:05:49,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:05:49,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:05:49,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:49" (1/1) ... [2020-10-16 12:05:49,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:49" (1/1) ... [2020-10-16 12:05:49,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:49" (1/1) ... [2020-10-16 12:05:49,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:49" (1/1) ... [2020-10-16 12:05:49,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:49" (1/1) ... [2020-10-16 12:05:49,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:49" (1/1) ... [2020-10-16 12:05:49,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:49" (1/1) ... [2020-10-16 12:05:49,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:05:49,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:05:49,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:05:49,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:05:49,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:05:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:05:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:05:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:05:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:05:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:05:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:05:49,290 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:05:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:05:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:05:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:05:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:05:49,295 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 12:05:52,749 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:05:52,750 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 12:05:52,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:05:52 BoogieIcfgContainer [2020-10-16 12:05:52,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:05:52,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:05:52,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:05:52,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:05:52,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:05:48" (1/3) ... [2020-10-16 12:05:52,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724ae35f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:05:52, skipping insertion in model container [2020-10-16 12:05:52,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:05:49" (2/3) ... [2020-10-16 12:05:52,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724ae35f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:05:52, skipping insertion in model container [2020-10-16 12:05:52,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:05:52" (3/3) ... [2020-10-16 12:05:52,762 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi002_rmo.opt.i [2020-10-16 12:05:52,774 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:05:52,775 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:05:52,784 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 12:05:52,785 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:05:52,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,822 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,822 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,875 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,878 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,878 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,879 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,879 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,886 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,886 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,886 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,886 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,889 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,889 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,889 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,889 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,893 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,894 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,894 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,894 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,894 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,894 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,895 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,895 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,895 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,895 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,895 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,895 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,896 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,896 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,896 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,896 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,896 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,897 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,897 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,897 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,897 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,897 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,897 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,901 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,905 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,907 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,909 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:05:52,912 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:05:52,933 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 12:05:52,966 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:05:52,966 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:05:52,967 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:05:52,967 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 12:05:52,967 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:05:52,967 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:05:52,968 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:05:52,968 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:05:52,985 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:05:52,986 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 80 transitions, 170 flow [2020-10-16 12:05:52,989 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 80 transitions, 170 flow [2020-10-16 12:05:52,991 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 85 places, 80 transitions, 170 flow [2020-10-16 12:05:53,046 INFO L129 PetriNetUnfolder]: 2/78 cut-off events. [2020-10-16 12:05:53,046 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:05:53,052 INFO L80 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 78 events. 2/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2020-10-16 12:05:53,055 INFO L117 LiptonReduction]: Number of co-enabled transitions 1088 [2020-10-16 12:05:53,392 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-10-16 12:05:53,894 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 12:05:54,484 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-16 12:05:55,924 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 231 DAG size of output: 191 [2020-10-16 12:05:55,955 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 2, 2, 1] term [2020-10-16 12:05:55,956 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 12:05:55,958 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 1] term [2020-10-16 12:05:55,958 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 12:05:56,713 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 111 [2020-10-16 12:05:57,771 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 234 DAG size of output: 193 [2020-10-16 12:05:57,825 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 2, 1] term [2020-10-16 12:05:57,825 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 12:05:57,828 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 1] term [2020-10-16 12:05:57,828 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 12:05:58,888 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 150 DAG size of output: 121 [2020-10-16 12:05:59,373 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-16 12:05:59,686 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-16 12:05:59,911 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-10-16 12:06:00,048 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-16 12:06:00,066 INFO L132 LiptonReduction]: Checked pairs total: 3014 [2020-10-16 12:06:00,066 INFO L134 LiptonReduction]: Total number of compositions: 71 [2020-10-16 12:06:00,073 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 21 transitions, 52 flow [2020-10-16 12:06:00,098 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 224 states. [2020-10-16 12:06:00,100 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states. [2020-10-16 12:06:00,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-16 12:06:00,107 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:00,107 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 12:06:00,108 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:00,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:00,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1584834182, now seen corresponding path program 1 times [2020-10-16 12:06:00,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:00,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708415406] [2020-10-16 12:06:00,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:00,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:00,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708415406] [2020-10-16 12:06:00,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:00,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:06:00,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207711509] [2020-10-16 12:06:00,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:06:00,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:00,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:06:00,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:06:00,386 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 3 states. [2020-10-16 12:06:00,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:00,497 INFO L93 Difference]: Finished difference Result 194 states and 468 transitions. [2020-10-16 12:06:00,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:06:00,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-16 12:06:00,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:00,513 INFO L225 Difference]: With dead ends: 194 [2020-10-16 12:06:00,514 INFO L226 Difference]: Without dead ends: 158 [2020-10-16 12:06:00,515 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:06:00,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-16 12:06:00,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2020-10-16 12:06:00,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-10-16 12:06:00,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 372 transitions. [2020-10-16 12:06:00,573 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 372 transitions. Word has length 5 [2020-10-16 12:06:00,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:00,573 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 372 transitions. [2020-10-16 12:06:00,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:06:00,573 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 372 transitions. [2020-10-16 12:06:00,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-16 12:06:00,574 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:00,574 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:00,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:06:00,575 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:00,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:00,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1687676777, now seen corresponding path program 1 times [2020-10-16 12:06:00,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:00,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445945175] [2020-10-16 12:06:00,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:00,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:00,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445945175] [2020-10-16 12:06:00,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:00,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:06:00,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003070871] [2020-10-16 12:06:00,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:06:00,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:00,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:06:00,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:06:00,729 INFO L87 Difference]: Start difference. First operand 158 states and 372 transitions. Second operand 3 states. [2020-10-16 12:06:00,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:00,748 INFO L93 Difference]: Finished difference Result 140 states and 321 transitions. [2020-10-16 12:06:00,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:06:00,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-16 12:06:00,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:00,751 INFO L225 Difference]: With dead ends: 140 [2020-10-16 12:06:00,751 INFO L226 Difference]: Without dead ends: 140 [2020-10-16 12:06:00,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:06:00,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-10-16 12:06:00,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2020-10-16 12:06:00,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-10-16 12:06:00,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 321 transitions. [2020-10-16 12:06:00,765 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 321 transitions. Word has length 7 [2020-10-16 12:06:00,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:00,765 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 321 transitions. [2020-10-16 12:06:00,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:06:00,765 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 321 transitions. [2020-10-16 12:06:00,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-16 12:06:00,766 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:00,767 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:00,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:06:00,767 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:00,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:00,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1240353734, now seen corresponding path program 1 times [2020-10-16 12:06:00,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:00,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036126064] [2020-10-16 12:06:00,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:00,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:00,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036126064] [2020-10-16 12:06:00,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:00,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:06:00,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20638756] [2020-10-16 12:06:00,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:06:00,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:00,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:06:00,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:06:00,875 INFO L87 Difference]: Start difference. First operand 140 states and 321 transitions. Second operand 3 states. [2020-10-16 12:06:00,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:00,883 INFO L93 Difference]: Finished difference Result 134 states and 305 transitions. [2020-10-16 12:06:00,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:06:00,885 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-16 12:06:00,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:00,887 INFO L225 Difference]: With dead ends: 134 [2020-10-16 12:06:00,887 INFO L226 Difference]: Without dead ends: 134 [2020-10-16 12:06:00,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:06:00,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-16 12:06:00,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-10-16 12:06:00,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-16 12:06:00,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 305 transitions. [2020-10-16 12:06:00,898 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 305 transitions. Word has length 10 [2020-10-16 12:06:00,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:00,899 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 305 transitions. [2020-10-16 12:06:00,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:06:00,899 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 305 transitions. [2020-10-16 12:06:00,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:06:00,900 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:00,901 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:00,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:06:00,903 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:00,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:00,903 INFO L82 PathProgramCache]: Analyzing trace with hash -2020937412, now seen corresponding path program 1 times [2020-10-16 12:06:00,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:00,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641016862] [2020-10-16 12:06:00,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:01,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:01,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641016862] [2020-10-16 12:06:01,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:01,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:06:01,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149461336] [2020-10-16 12:06:01,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:06:01,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:01,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:06:01,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:06:01,222 INFO L87 Difference]: Start difference. First operand 134 states and 305 transitions. Second operand 8 states. [2020-10-16 12:06:01,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:01,518 INFO L93 Difference]: Finished difference Result 164 states and 379 transitions. [2020-10-16 12:06:01,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:06:01,520 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-10-16 12:06:01,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:01,523 INFO L225 Difference]: With dead ends: 164 [2020-10-16 12:06:01,523 INFO L226 Difference]: Without dead ends: 164 [2020-10-16 12:06:01,524 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2020-10-16 12:06:01,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-10-16 12:06:01,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 158. [2020-10-16 12:06:01,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-10-16 12:06:01,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 363 transitions. [2020-10-16 12:06:01,536 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 363 transitions. Word has length 12 [2020-10-16 12:06:01,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:01,537 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 363 transitions. [2020-10-16 12:06:01,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:06:01,537 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 363 transitions. [2020-10-16 12:06:01,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:06:01,539 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:01,539 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:01,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:06:01,539 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:01,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:01,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1640023526, now seen corresponding path program 2 times [2020-10-16 12:06:01,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:01,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542877069] [2020-10-16 12:06:01,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:01,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:01,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542877069] [2020-10-16 12:06:01,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:01,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:06:01,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299340668] [2020-10-16 12:06:01,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:06:01,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:01,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:06:01,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:06:01,827 INFO L87 Difference]: Start difference. First operand 158 states and 363 transitions. Second operand 8 states. [2020-10-16 12:06:02,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:02,064 INFO L93 Difference]: Finished difference Result 155 states and 355 transitions. [2020-10-16 12:06:02,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:06:02,065 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-10-16 12:06:02,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:02,067 INFO L225 Difference]: With dead ends: 155 [2020-10-16 12:06:02,067 INFO L226 Difference]: Without dead ends: 155 [2020-10-16 12:06:02,067 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:06:02,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-10-16 12:06:02,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 131. [2020-10-16 12:06:02,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-10-16 12:06:02,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 297 transitions. [2020-10-16 12:06:02,075 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 297 transitions. Word has length 12 [2020-10-16 12:06:02,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:02,076 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 297 transitions. [2020-10-16 12:06:02,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:06:02,076 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 297 transitions. [2020-10-16 12:06:02,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:06:02,077 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:02,078 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:02,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:06:02,078 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:02,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:02,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1775449093, now seen corresponding path program 1 times [2020-10-16 12:06:02,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:02,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725346020] [2020-10-16 12:06:02,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:02,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:02,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725346020] [2020-10-16 12:06:02,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:02,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:06:02,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274445585] [2020-10-16 12:06:02,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 12:06:02,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:02,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 12:06:02,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:06:02,215 INFO L87 Difference]: Start difference. First operand 131 states and 297 transitions. Second operand 5 states. [2020-10-16 12:06:02,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:02,329 INFO L93 Difference]: Finished difference Result 191 states and 430 transitions. [2020-10-16 12:06:02,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:06:02,330 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-16 12:06:02,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:02,331 INFO L225 Difference]: With dead ends: 191 [2020-10-16 12:06:02,331 INFO L226 Difference]: Without dead ends: 115 [2020-10-16 12:06:02,331 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:06:02,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-16 12:06:02,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-10-16 12:06:02,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-16 12:06:02,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 251 transitions. [2020-10-16 12:06:02,337 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 251 transitions. Word has length 13 [2020-10-16 12:06:02,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:02,338 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 251 transitions. [2020-10-16 12:06:02,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 12:06:02,338 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 251 transitions. [2020-10-16 12:06:02,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:06:02,339 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:02,340 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:02,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:06:02,340 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:02,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:02,340 INFO L82 PathProgramCache]: Analyzing trace with hash 456112839, now seen corresponding path program 2 times [2020-10-16 12:06:02,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:02,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151619585] [2020-10-16 12:06:02,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:02,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:02,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151619585] [2020-10-16 12:06:02,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:02,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:06:02,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849212995] [2020-10-16 12:06:02,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:06:02,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:02,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:06:02,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:06:02,541 INFO L87 Difference]: Start difference. First operand 115 states and 251 transitions. Second operand 6 states. [2020-10-16 12:06:02,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:02,863 INFO L93 Difference]: Finished difference Result 135 states and 295 transitions. [2020-10-16 12:06:02,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:06:02,864 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-10-16 12:06:02,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:02,865 INFO L225 Difference]: With dead ends: 135 [2020-10-16 12:06:02,866 INFO L226 Difference]: Without dead ends: 135 [2020-10-16 12:06:02,867 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:06:02,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-10-16 12:06:02,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 126. [2020-10-16 12:06:02,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-10-16 12:06:02,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 274 transitions. [2020-10-16 12:06:02,874 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 274 transitions. Word has length 13 [2020-10-16 12:06:02,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:02,874 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 274 transitions. [2020-10-16 12:06:02,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:06:02,874 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 274 transitions. [2020-10-16 12:06:02,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:06:02,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:02,876 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:02,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:06:02,877 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:02,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:02,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1254595577, now seen corresponding path program 1 times [2020-10-16 12:06:02,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:02,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900272081] [2020-10-16 12:06:02,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:03,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:03,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900272081] [2020-10-16 12:06:03,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:03,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:06:03,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961146299] [2020-10-16 12:06:03,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:06:03,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:03,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:06:03,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:06:03,140 INFO L87 Difference]: Start difference. First operand 126 states and 274 transitions. Second operand 6 states. [2020-10-16 12:06:03,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:03,383 INFO L93 Difference]: Finished difference Result 167 states and 356 transitions. [2020-10-16 12:06:03,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 12:06:03,387 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-16 12:06:03,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:03,388 INFO L225 Difference]: With dead ends: 167 [2020-10-16 12:06:03,388 INFO L226 Difference]: Without dead ends: 140 [2020-10-16 12:06:03,389 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:06:03,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-10-16 12:06:03,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 132. [2020-10-16 12:06:03,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-10-16 12:06:03,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 287 transitions. [2020-10-16 12:06:03,396 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 287 transitions. Word has length 14 [2020-10-16 12:06:03,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:03,397 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 287 transitions. [2020-10-16 12:06:03,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:06:03,397 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 287 transitions. [2020-10-16 12:06:03,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:06:03,402 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:03,404 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:03,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:06:03,404 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:03,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:03,405 INFO L82 PathProgramCache]: Analyzing trace with hash 231271205, now seen corresponding path program 2 times [2020-10-16 12:06:03,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:03,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116063862] [2020-10-16 12:06:03,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:03,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:03,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116063862] [2020-10-16 12:06:03,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:03,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:06:03,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33217218] [2020-10-16 12:06:03,600 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:06:03,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:03,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:06:03,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:06:03,600 INFO L87 Difference]: Start difference. First operand 132 states and 287 transitions. Second operand 6 states. [2020-10-16 12:06:03,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:03,887 INFO L93 Difference]: Finished difference Result 171 states and 361 transitions. [2020-10-16 12:06:03,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 12:06:03,888 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-16 12:06:03,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:03,890 INFO L225 Difference]: With dead ends: 171 [2020-10-16 12:06:03,890 INFO L226 Difference]: Without dead ends: 144 [2020-10-16 12:06:03,891 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:06:03,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-10-16 12:06:03,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 120. [2020-10-16 12:06:03,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-16 12:06:03,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 258 transitions. [2020-10-16 12:06:03,896 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 258 transitions. Word has length 14 [2020-10-16 12:06:03,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:03,896 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 258 transitions. [2020-10-16 12:06:03,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:06:03,896 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 258 transitions. [2020-10-16 12:06:03,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 12:06:03,897 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:03,897 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:03,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 12:06:03,898 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:03,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:03,898 INFO L82 PathProgramCache]: Analyzing trace with hash 190659077, now seen corresponding path program 3 times [2020-10-16 12:06:03,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:03,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341733940] [2020-10-16 12:06:03,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:04,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:04,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341733940] [2020-10-16 12:06:04,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:04,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 12:06:04,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903147737] [2020-10-16 12:06:04,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 12:06:04,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:04,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 12:06:04,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-16 12:06:04,058 INFO L87 Difference]: Start difference. First operand 120 states and 258 transitions. Second operand 6 states. [2020-10-16 12:06:04,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:04,329 INFO L93 Difference]: Finished difference Result 128 states and 268 transitions. [2020-10-16 12:06:04,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 12:06:04,330 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-16 12:06:04,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:04,331 INFO L225 Difference]: With dead ends: 128 [2020-10-16 12:06:04,331 INFO L226 Difference]: Without dead ends: 101 [2020-10-16 12:06:04,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-16 12:06:04,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-16 12:06:04,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-10-16 12:06:04,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-16 12:06:04,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 211 transitions. [2020-10-16 12:06:04,337 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 211 transitions. Word has length 14 [2020-10-16 12:06:04,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:04,337 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 211 transitions. [2020-10-16 12:06:04,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 12:06:04,337 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 211 transitions. [2020-10-16 12:06:04,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 12:06:04,338 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:04,338 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:04,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 12:06:04,339 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:04,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:04,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1104275373, now seen corresponding path program 1 times [2020-10-16 12:06:04,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:04,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507865182] [2020-10-16 12:06:04,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:04,834 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 29 [2020-10-16 12:06:04,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:04,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507865182] [2020-10-16 12:06:04,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:04,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-16 12:06:04,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246072780] [2020-10-16 12:06:04,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-16 12:06:04,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:04,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-16 12:06:04,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-16 12:06:04,872 INFO L87 Difference]: Start difference. First operand 101 states and 211 transitions. Second operand 10 states. [2020-10-16 12:06:05,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:05,459 INFO L93 Difference]: Finished difference Result 137 states and 283 transitions. [2020-10-16 12:06:05,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-16 12:06:05,460 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2020-10-16 12:06:05,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:05,461 INFO L225 Difference]: With dead ends: 137 [2020-10-16 12:06:05,462 INFO L226 Difference]: Without dead ends: 96 [2020-10-16 12:06:05,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2020-10-16 12:06:05,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-10-16 12:06:05,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2020-10-16 12:06:05,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-16 12:06:05,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 199 transitions. [2020-10-16 12:06:05,467 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 199 transitions. Word has length 15 [2020-10-16 12:06:05,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:05,467 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 199 transitions. [2020-10-16 12:06:05,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-16 12:06:05,467 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 199 transitions. [2020-10-16 12:06:05,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 12:06:05,468 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:05,468 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:05,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 12:06:05,468 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:05,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:05,469 INFO L82 PathProgramCache]: Analyzing trace with hash 237487599, now seen corresponding path program 2 times [2020-10-16 12:06:05,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:05,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553455596] [2020-10-16 12:06:05,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:06,134 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 38 [2020-10-16 12:06:06,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:06,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553455596] [2020-10-16 12:06:06,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:06,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:06:06,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76120801] [2020-10-16 12:06:06,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:06:06,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:06,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:06:06,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:06:06,176 INFO L87 Difference]: Start difference. First operand 96 states and 199 transitions. Second operand 8 states. [2020-10-16 12:06:06,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:06,764 INFO L93 Difference]: Finished difference Result 132 states and 271 transitions. [2020-10-16 12:06:06,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-16 12:06:06,765 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2020-10-16 12:06:06,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:06,766 INFO L225 Difference]: With dead ends: 132 [2020-10-16 12:06:06,766 INFO L226 Difference]: Without dead ends: 85 [2020-10-16 12:06:06,767 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-16 12:06:06,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-10-16 12:06:06,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-10-16 12:06:06,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-10-16 12:06:06,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 174 transitions. [2020-10-16 12:06:06,770 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 174 transitions. Word has length 15 [2020-10-16 12:06:06,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:06,771 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 174 transitions. [2020-10-16 12:06:06,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:06:06,771 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 174 transitions. [2020-10-16 12:06:06,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 12:06:06,771 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:06,772 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:06,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 12:06:06,772 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:06,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:06,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1615780367, now seen corresponding path program 3 times [2020-10-16 12:06:06,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:06,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559818552] [2020-10-16 12:06:06,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:07,152 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 31 [2020-10-16 12:06:07,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:07,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559818552] [2020-10-16 12:06:07,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:07,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:06:07,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388024970] [2020-10-16 12:06:07,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:06:07,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:07,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:06:07,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:06:07,230 INFO L87 Difference]: Start difference. First operand 85 states and 174 transitions. Second operand 8 states. [2020-10-16 12:06:07,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:07,653 INFO L93 Difference]: Finished difference Result 109 states and 223 transitions. [2020-10-16 12:06:07,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 12:06:07,655 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2020-10-16 12:06:07,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:07,656 INFO L225 Difference]: With dead ends: 109 [2020-10-16 12:06:07,656 INFO L226 Difference]: Without dead ends: 82 [2020-10-16 12:06:07,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-16 12:06:07,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-10-16 12:06:07,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 70. [2020-10-16 12:06:07,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-16 12:06:07,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 140 transitions. [2020-10-16 12:06:07,661 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 140 transitions. Word has length 15 [2020-10-16 12:06:07,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:07,662 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 140 transitions. [2020-10-16 12:06:07,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:06:07,662 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 140 transitions. [2020-10-16 12:06:07,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-16 12:06:07,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:06:07,663 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:06:07,664 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 12:06:07,664 INFO L429 AbstractCegarLoop]: === Iteration 14 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:06:07,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:06:07,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1606257167, now seen corresponding path program 4 times [2020-10-16 12:06:07,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:06:07,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580809340] [2020-10-16 12:06:07,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:06:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:06:07,970 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 25 [2020-10-16 12:06:08,164 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 26 [2020-10-16 12:06:08,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:06:08,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580809340] [2020-10-16 12:06:08,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:06:08,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 12:06:08,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289671460] [2020-10-16 12:06:08,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 12:06:08,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:06:08,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 12:06:08,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-16 12:06:08,273 INFO L87 Difference]: Start difference. First operand 70 states and 140 transitions. Second operand 8 states. [2020-10-16 12:06:08,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:06:08,724 INFO L93 Difference]: Finished difference Result 78 states and 158 transitions. [2020-10-16 12:06:08,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 12:06:08,725 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2020-10-16 12:06:08,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:06:08,726 INFO L225 Difference]: With dead ends: 78 [2020-10-16 12:06:08,726 INFO L226 Difference]: Without dead ends: 0 [2020-10-16 12:06:08,727 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-10-16 12:06:08,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-16 12:06:08,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-16 12:06:08,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-16 12:06:08,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-16 12:06:08,728 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-10-16 12:06:08,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:06:08,728 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-16 12:06:08,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 12:06:08,728 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-16 12:06:08,728 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-16 12:06:08,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-16 12:06:08,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:06:08 BasicIcfg [2020-10-16 12:06:08,733 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:06:08,735 INFO L168 Benchmark]: Toolchain (without parser) took 20518.05 ms. Allocated memory was 139.5 MB in the beginning and 448.8 MB in the end (delta: 309.3 MB). Free memory was 101.4 MB in the beginning and 348.6 MB in the end (delta: -247.2 MB). Peak memory consumption was 62.1 MB. Max. memory is 7.1 GB. [2020-10-16 12:06:08,736 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 12:06:08,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 820.24 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 101.2 MB in the beginning and 152.6 MB in the end (delta: -51.4 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-10-16 12:06:08,737 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.02 ms. Allocated memory is still 201.9 MB. Free memory was 152.6 MB in the beginning and 149.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-10-16 12:06:08,738 INFO L168 Benchmark]: Boogie Preprocessor took 69.86 ms. Allocated memory is still 201.9 MB. Free memory was 149.3 MB in the beginning and 145.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-10-16 12:06:08,739 INFO L168 Benchmark]: RCFGBuilder took 3551.80 ms. Allocated memory was 201.9 MB in the beginning and 248.5 MB in the end (delta: 46.7 MB). Free memory was 145.9 MB in the beginning and 95.7 MB in the end (delta: 50.2 MB). Peak memory consumption was 106.8 MB. Max. memory is 7.1 GB. [2020-10-16 12:06:08,739 INFO L168 Benchmark]: TraceAbstraction took 15979.21 ms. Allocated memory was 248.5 MB in the beginning and 448.8 MB in the end (delta: 200.3 MB). Free memory was 95.7 MB in the beginning and 348.6 MB in the end (delta: -252.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 12:06:08,743 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 820.24 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 101.2 MB in the beginning and 152.6 MB in the end (delta: -51.4 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 92.02 ms. Allocated memory is still 201.9 MB. Free memory was 152.6 MB in the beginning and 149.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 69.86 ms. Allocated memory is still 201.9 MB. Free memory was 149.3 MB in the beginning and 145.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3551.80 ms. Allocated memory was 201.9 MB in the beginning and 248.5 MB in the end (delta: 46.7 MB). Free memory was 145.9 MB in the beginning and 95.7 MB in the end (delta: 50.2 MB). Peak memory consumption was 106.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15979.21 ms. Allocated memory was 248.5 MB in the beginning and 448.8 MB in the end (delta: 200.3 MB). Free memory was 95.7 MB in the beginning and 348.6 MB in the end (delta: -252.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 563 VarBasedMoverChecksPositive, 32 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 31 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 7.0s, 85 PlacesBefore, 28 PlacesAfterwards, 80 TransitionsBefore, 21 TransitionsAfterwards, 1088 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 2 ChoiceCompositions, 71 TotalNumberOfCompositions, 3014 MoverChecksTotal - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: 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, 79 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.7s, OverallIterations: 14, TraceHistogramMax: 1, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.1s, HoareTripleCheckerStatistics: 222 SDtfs, 280 SDslu, 443 SDs, 0 SdLazy, 693 SolverSat, 216 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 5 SyntacticMatches, 4 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred 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, 14 MinimizatonAttempts, 83 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 27779 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...