/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-divine/divinefifo-bug_1w1r.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-bf4350c [2020-09-17 14:24:56,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-17 14:24:56,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-17 14:24:56,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-17 14:24:56,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-17 14:24:56,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-17 14:24:56,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-17 14:24:56,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-17 14:24:56,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-17 14:24:56,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-17 14:24:56,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-17 14:24:56,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-17 14:24:56,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-17 14:24:56,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-17 14:24:56,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-17 14:24:56,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-17 14:24:56,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-17 14:24:56,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-17 14:24:56,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-17 14:24:56,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-17 14:24:56,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-17 14:24:56,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-17 14:24:56,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-17 14:24:56,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-17 14:24:56,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-17 14:24:56,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-17 14:24:56,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-17 14:24:56,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-17 14:24:56,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-17 14:24:56,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-17 14:24:56,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-17 14:24:56,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-17 14:24:56,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-17 14:24:56,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-17 14:24:56,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-17 14:24:56,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-17 14:24:56,138 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-09-17 14:24:56,164 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-17 14:24:56,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-17 14:24:56,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-17 14:24:56,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-17 14:24:56,166 INFO L138 SettingsManager]: * Use SBE=true [2020-09-17 14:24:56,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-17 14:24:56,167 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-17 14:24:56,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-17 14:24:56,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-17 14:24:56,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-17 14:24:56,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-17 14:24:56,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-17 14:24:56,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-17 14:24:56,168 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-17 14:24:56,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-17 14:24:56,168 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-17 14:24:56,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-17 14:24:56,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-17 14:24:56,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-17 14:24:56,169 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-17 14:24:56,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-17 14:24:56,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-17 14:24:56,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-17 14:24:56,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-09-17 14:24:56,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-17 14:24:56,171 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-17 14:24:56,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-17 14:24:56,171 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-09-17 14:24:56,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-17 14:24:56,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-17 14:24:56,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-17 14:24:56,636 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-17 14:24:56,638 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-17 14:24:56,638 INFO L275 PluginConnector]: CDTParser initialized [2020-09-17 14:24:56,639 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i [2020-09-17 14:24:56,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/739d3a37d/67bd1b8fa9b44ebf878429cead0671db/FLAGd48b5b1a6 [2020-09-17 14:24:57,431 INFO L306 CDTParser]: Found 1 translation units. [2020-09-17 14:24:57,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/divinefifo-bug_1w1r.i [2020-09-17 14:24:57,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/739d3a37d/67bd1b8fa9b44ebf878429cead0671db/FLAGd48b5b1a6 [2020-09-17 14:24:57,654 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/739d3a37d/67bd1b8fa9b44ebf878429cead0671db [2020-09-17 14:24:57,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-17 14:24:57,676 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-17 14:24:57,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-17 14:24:57,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-17 14:24:57,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-17 14:24:57,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:24:57" (1/1) ... [2020-09-17 14:24:57,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@751b0a92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:24:57, skipping insertion in model container [2020-09-17 14:24:57,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:24:57" (1/1) ... [2020-09-17 14:24:57,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-17 14:24:57,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-17 14:24:57,972 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-09-17 14:24:58,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-17 14:24:58,483 INFO L203 MainTranslator]: Completed pre-run [2020-09-17 14:24:58,499 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-09-17 14:24:58,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-17 14:24:58,728 INFO L208 MainTranslator]: Completed translation [2020-09-17 14:24:58,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:24:58 WrapperNode [2020-09-17 14:24:58,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-17 14:24:58,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-17 14:24:58,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-17 14:24:58,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-17 14:24:58,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:24:58" (1/1) ... [2020-09-17 14:24:58,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:24:58" (1/1) ... [2020-09-17 14:24:58,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-17 14:24:58,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-17 14:24:58,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-17 14:24:58,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-17 14:24:58,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:24:58" (1/1) ... [2020-09-17 14:24:58,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:24:58" (1/1) ... [2020-09-17 14:24:58,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:24:58" (1/1) ... [2020-09-17 14:24:58,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:24:58" (1/1) ... [2020-09-17 14:24:58,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:24:58" (1/1) ... [2020-09-17 14:24:58,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:24:58" (1/1) ... [2020-09-17 14:24:58,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:24:58" (1/1) ... [2020-09-17 14:24:58,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-17 14:24:58,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-17 14:24:58,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-17 14:24:58,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-17 14:24:58,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:24:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-17 14:24:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2020-09-17 14:24:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2020-09-17 14:24:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-17 14:24:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-17 14:24:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-17 14:24:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-17 14:24:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-17 14:24:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-17 14:24:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-17 14:24:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-17 14:24:58,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-17 14:24:58,997 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-17 14:25:00,103 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-17 14:25:00,103 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-09-17 14:25:00,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:25:00 BoogieIcfgContainer [2020-09-17 14:25:00,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-17 14:25:00,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-17 14:25:00,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-17 14:25:00,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-17 14:25:00,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.09 02:24:57" (1/3) ... [2020-09-17 14:25:00,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4342eef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.09 02:25:00, skipping insertion in model container [2020-09-17 14:25:00,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:24:58" (2/3) ... [2020-09-17 14:25:00,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4342eef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.09 02:25:00, skipping insertion in model container [2020-09-17 14:25:00,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:25:00" (3/3) ... [2020-09-17 14:25:00,122 INFO L109 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.i [2020-09-17 14:25:00,135 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-17 14:25:00,136 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-17 14:25:00,148 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2020-09-17 14:25:00,149 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-17 14:25:00,200 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#in~q_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,200 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#in~q_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,201 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,201 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,201 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,202 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,202 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,202 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,202 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,203 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,203 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,203 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,203 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,203 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,204 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,204 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,204 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~self.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,204 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~self.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,204 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,205 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,205 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem25.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,205 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,205 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,205 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,206 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,206 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc22.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,206 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre27.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,206 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc22.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,206 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre27.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,206 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,207 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,207 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,207 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,207 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,207 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,208 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,208 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,208 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,208 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,208 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,209 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,209 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,209 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem25.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,209 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,209 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,210 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,210 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~self.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,210 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~self.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,211 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,211 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,211 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,211 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,211 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,212 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,212 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,212 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,212 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,213 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,213 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,213 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,213 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,213 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,214 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,214 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,214 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,214 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,215 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,215 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,215 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,215 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,215 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,216 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,216 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,216 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,216 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,217 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,217 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,217 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,217 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,217 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,218 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,218 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,218 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,218 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,219 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,219 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,219 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc22.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,219 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc22.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,220 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,220 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,220 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,220 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,220 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc22.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,221 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc22.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,221 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#in~self.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,221 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#in~self.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,221 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,221 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,222 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,222 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,222 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,222 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,222 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,223 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,223 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,223 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,223 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,223 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,224 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem25.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,224 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem25.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,224 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#in~self.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,224 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#in~self.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,225 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,225 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,225 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,225 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem25.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,225 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem25.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,226 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,226 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,226 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem25.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,226 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem25.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,227 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,227 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,227 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,227 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,227 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,228 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,228 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,228 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,228 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,228 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,229 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre27.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,229 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre27.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,229 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,229 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,229 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,230 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,230 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,230 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,230 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,230 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,231 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,231 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,231 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,231 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,231 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre27.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,232 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre27.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,232 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,232 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,232 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,232 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,232 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,233 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,233 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,233 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,233 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,233 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,234 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,234 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,234 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,234 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,234 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,235 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,235 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,235 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,235 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,235 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,236 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,236 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,236 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,236 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,236 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,237 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,237 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,237 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,237 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,237 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#t~pre62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,238 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,238 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,238 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,238 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,239 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,239 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,239 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,239 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,239 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#t~pre62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,240 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,240 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,240 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,240 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,246 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc22.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,246 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,246 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,247 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,247 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,247 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,247 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~self.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,247 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#in~self.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,248 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,248 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem26.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,248 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_node_init_#in~self.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,248 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,249 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,249 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,249 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,249 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem25.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,250 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,250 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre27.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,250 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,250 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~malloc22.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,250 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,251 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem25.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,251 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem26.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,251 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,251 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,252 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~self.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,252 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem24.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,252 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem28.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,252 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~pre27.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,252 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,252 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,253 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,253 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#t~pre62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,253 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,253 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem20.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,253 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,254 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~mem29.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,254 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,254 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#t~ret23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,254 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,255 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,255 WARN L313 ript$VariableManager]: TermVariabe |pusherThread1of1ForFork0_fifo_push_#in~self.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,255 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_node_init_~self.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,255 WARN L313 ript$VariableManager]: TermVariabe pusherThread1of1ForFork0_fifo_push_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-17 14:25:00,289 INFO L251 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2020-09-17 14:25:00,320 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-17 14:25:00,321 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-17 14:25:00,321 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-17 14:25:00,321 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-17 14:25:00,321 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-17 14:25:00,322 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-17 14:25:00,322 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-17 14:25:00,322 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-17 14:25:00,356 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 426 places, 455 transitions, 918 flow [2020-09-17 14:25:00,359 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 426 places, 455 transitions, 918 flow [2020-09-17 14:25:00,545 INFO L129 PetriNetUnfolder]: 33/454 cut-off events. [2020-09-17 14:25:00,545 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-09-17 14:25:00,562 INFO L80 FinitePrefix]: Finished finitePrefix Result has 459 conditions, 454 events. 33/454 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1111 event pairs, 0 based on Foata normal form. 0/410 useless extension candidates. Maximal degree in co-relation 328. Up to 3 conditions per place. [2020-09-17 14:25:00,600 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 426 places, 455 transitions, 918 flow [2020-09-17 14:25:00,745 INFO L129 PetriNetUnfolder]: 33/454 cut-off events. [2020-09-17 14:25:00,745 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-09-17 14:25:00,752 INFO L80 FinitePrefix]: Finished finitePrefix Result has 459 conditions, 454 events. 33/454 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1111 event pairs, 0 based on Foata normal form. 0/410 useless extension candidates. Maximal degree in co-relation 328. Up to 3 conditions per place. [2020-09-17 14:25:00,780 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 31742 [2020-09-17 14:25:00,781 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-17 14:25:02,362 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-17 14:25:02,378 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-17 14:25:02,380 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-17 14:25:02,380 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:57 [2020-09-17 14:25:02,722 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-17 14:25:02,735 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-17 14:25:02,736 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-17 14:25:02,737 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:53 [2020-09-17 14:25:05,082 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-17 14:25:05,097 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-17 14:25:05,099 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-09-17 14:25:05,099 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:88, output treesize:74 [2020-09-17 14:25:05,498 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-17 14:25:05,596 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-17 14:25:05,702 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-17 14:25:06,814 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-17 14:25:06,970 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-09-17 14:25:06,992 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-17 14:25:07,093 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-09-17 14:25:07,094 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-17 14:25:07,094 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-09-17 14:25:07,095 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:172, output treesize:181 [2020-09-17 14:25:07,230 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-09-17 14:25:08,953 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-09-17 14:25:09,224 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-09-17 14:25:09,889 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-17 14:25:10,236 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-17 14:25:10,634 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 89 [2020-09-17 14:25:10,910 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2020-09-17 14:25:11,557 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-09-17 14:25:11,934 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-09-17 14:25:12,341 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 56 [2020-09-17 14:25:12,563 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2020-09-17 14:25:13,058 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-09-17 14:25:13,499 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-09-17 14:25:14,810 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 178 DAG size of output: 164 [2020-09-17 14:25:14,848 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-09-17 14:25:15,540 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-17 14:25:15,540 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-17 14:25:15,542 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2020-09-17 14:25:15,545 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:452, output treesize:494 [2020-09-17 14:25:16,244 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-09-17 14:25:16,318 INFO L206 etLargeBlockEncoding]: Checked pairs total: 73353 [2020-09-17 14:25:16,318 INFO L214 etLargeBlockEncoding]: Total number of compositions: 424 [2020-09-17 14:25:16,322 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 108 places, 122 transitions, 252 flow [2020-09-17 14:25:16,403 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1490 states. [2020-09-17 14:25:16,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states. [2020-09-17 14:25:16,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-09-17 14:25:16,418 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:25:16,419 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-09-17 14:25:16,419 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:25:16,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:25:16,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1591, now seen corresponding path program 1 times [2020-09-17 14:25:16,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:25:16,436 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114496004] [2020-09-17 14:25:16,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:25:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:25:16,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:25:16,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114496004] [2020-09-17 14:25:16,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:25:16,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-09-17 14:25:16,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709851745] [2020-09-17 14:25:16,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-17 14:25:16,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:25:16,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-17 14:25:16,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-17 14:25:16,630 INFO L87 Difference]: Start difference. First operand 1490 states. Second operand 2 states. [2020-09-17 14:25:16,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:25:16,692 INFO L93 Difference]: Finished difference Result 1489 states and 3337 transitions. [2020-09-17 14:25:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-17 14:25:16,694 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-09-17 14:25:16,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:25:16,732 INFO L225 Difference]: With dead ends: 1489 [2020-09-17 14:25:16,732 INFO L226 Difference]: Without dead ends: 1469 [2020-09-17 14:25:16,733 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-17 14:25:16,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2020-09-17 14:25:16,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 1469. [2020-09-17 14:25:16,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1469 states. [2020-09-17 14:25:16,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 3296 transitions. [2020-09-17 14:25:16,884 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 3296 transitions. Word has length 1 [2020-09-17 14:25:16,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:25:16,884 INFO L479 AbstractCegarLoop]: Abstraction has 1469 states and 3296 transitions. [2020-09-17 14:25:16,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-17 14:25:16,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 3296 transitions. [2020-09-17 14:25:16,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-09-17 14:25:16,886 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:25:16,886 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-09-17 14:25:16,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-17 14:25:16,887 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:25:16,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:25:16,887 INFO L82 PathProgramCache]: Analyzing trace with hash -651818284, now seen corresponding path program 1 times [2020-09-17 14:25:16,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:25:16,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66463449] [2020-09-17 14:25:16,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:25:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:25:17,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:25:17,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66463449] [2020-09-17 14:25:17,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:25:17,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-17 14:25:17,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781310108] [2020-09-17 14:25:17,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-17 14:25:17,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:25:17,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-17 14:25:17,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 14:25:17,054 INFO L87 Difference]: Start difference. First operand 1469 states and 3296 transitions. Second operand 3 states. [2020-09-17 14:25:17,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:25:17,116 INFO L93 Difference]: Finished difference Result 2761 states and 6206 transitions. [2020-09-17 14:25:17,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-17 14:25:17,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-09-17 14:25:17,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:25:17,135 INFO L225 Difference]: With dead ends: 2761 [2020-09-17 14:25:17,135 INFO L226 Difference]: Without dead ends: 2761 [2020-09-17 14:25:17,136 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 14:25:17,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2761 states. [2020-09-17 14:25:17,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2761 to 1488. [2020-09-17 14:25:17,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1488 states. [2020-09-17 14:25:17,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 3336 transitions. [2020-09-17 14:25:17,196 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 3336 transitions. Word has length 6 [2020-09-17 14:25:17,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:25:17,197 INFO L479 AbstractCegarLoop]: Abstraction has 1488 states and 3336 transitions. [2020-09-17 14:25:17,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-17 14:25:17,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 3336 transitions. [2020-09-17 14:25:17,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-09-17 14:25:17,198 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:25:17,198 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:25:17,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-17 14:25:17,198 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:25:17,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:25:17,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1267854911, now seen corresponding path program 1 times [2020-09-17 14:25:17,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:25:17,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388151904] [2020-09-17 14:25:17,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:25:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:25:17,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:25:17,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388151904] [2020-09-17 14:25:17,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:25:17,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-17 14:25:17,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449509618] [2020-09-17 14:25:17,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-17 14:25:17,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:25:17,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-17 14:25:17,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 14:25:17,294 INFO L87 Difference]: Start difference. First operand 1488 states and 3336 transitions. Second operand 3 states. [2020-09-17 14:25:17,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:25:17,314 INFO L93 Difference]: Finished difference Result 1488 states and 3317 transitions. [2020-09-17 14:25:17,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-17 14:25:17,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-09-17 14:25:17,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:25:17,323 INFO L225 Difference]: With dead ends: 1488 [2020-09-17 14:25:17,324 INFO L226 Difference]: Without dead ends: 1488 [2020-09-17 14:25:17,324 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 14:25:17,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1488 states. [2020-09-17 14:25:17,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1488 to 1488. [2020-09-17 14:25:17,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1488 states. [2020-09-17 14:25:17,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 3317 transitions. [2020-09-17 14:25:17,367 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 3317 transitions. Word has length 7 [2020-09-17 14:25:17,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:25:17,368 INFO L479 AbstractCegarLoop]: Abstraction has 1488 states and 3317 transitions. [2020-09-17 14:25:17,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-17 14:25:17,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 3317 transitions. [2020-09-17 14:25:17,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-17 14:25:17,369 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:25:17,369 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:25:17,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-17 14:25:17,369 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:25:17,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:25:17,370 INFO L82 PathProgramCache]: Analyzing trace with hash 660801943, now seen corresponding path program 1 times [2020-09-17 14:25:17,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:25:17,370 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243548935] [2020-09-17 14:25:17,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:25:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:25:17,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:25:17,587 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243548935] [2020-09-17 14:25:17,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:25:17,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-17 14:25:17,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125767343] [2020-09-17 14:25:17,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-17 14:25:17,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:25:17,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-17 14:25:17,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-17 14:25:17,589 INFO L87 Difference]: Start difference. First operand 1488 states and 3317 transitions. Second operand 5 states. [2020-09-17 14:25:18,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:25:18,187 INFO L93 Difference]: Finished difference Result 1864 states and 4157 transitions. [2020-09-17 14:25:18,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-17 14:25:18,188 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-09-17 14:25:18,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:25:18,201 INFO L225 Difference]: With dead ends: 1864 [2020-09-17 14:25:18,201 INFO L226 Difference]: Without dead ends: 1864 [2020-09-17 14:25:18,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-09-17 14:25:18,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1864 states. [2020-09-17 14:25:18,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1864 to 1595. [2020-09-17 14:25:18,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1595 states. [2020-09-17 14:25:18,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1595 states and 3562 transitions. [2020-09-17 14:25:18,261 INFO L78 Accepts]: Start accepts. Automaton has 1595 states and 3562 transitions. Word has length 8 [2020-09-17 14:25:18,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:25:18,261 INFO L479 AbstractCegarLoop]: Abstraction has 1595 states and 3562 transitions. [2020-09-17 14:25:18,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-17 14:25:18,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 3562 transitions. [2020-09-17 14:25:18,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-17 14:25:18,266 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:25:18,266 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:25:18,266 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-17 14:25:18,267 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:25:18,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:25:18,267 INFO L82 PathProgramCache]: Analyzing trace with hash -624152238, now seen corresponding path program 1 times [2020-09-17 14:25:18,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:25:18,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080538804] [2020-09-17 14:25:18,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:25:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:25:18,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:25:18,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080538804] [2020-09-17 14:25:18,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:25:18,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-17 14:25:18,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592656822] [2020-09-17 14:25:18,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-17 14:25:18,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:25:18,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-17 14:25:18,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 14:25:18,363 INFO L87 Difference]: Start difference. First operand 1595 states and 3562 transitions. Second operand 3 states. [2020-09-17 14:25:18,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:25:18,439 INFO L93 Difference]: Finished difference Result 2622 states and 5848 transitions. [2020-09-17 14:25:18,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-17 14:25:18,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-09-17 14:25:18,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:25:18,456 INFO L225 Difference]: With dead ends: 2622 [2020-09-17 14:25:18,456 INFO L226 Difference]: Without dead ends: 2622 [2020-09-17 14:25:18,456 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-17 14:25:18,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2622 states. [2020-09-17 14:25:18,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2622 to 1652. [2020-09-17 14:25:18,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1652 states. [2020-09-17 14:25:18,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 3682 transitions. [2020-09-17 14:25:18,520 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 3682 transitions. Word has length 10 [2020-09-17 14:25:18,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:25:18,521 INFO L479 AbstractCegarLoop]: Abstraction has 1652 states and 3682 transitions. [2020-09-17 14:25:18,521 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-17 14:25:18,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 3682 transitions. [2020-09-17 14:25:18,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-17 14:25:18,523 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:25:18,524 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:25:18,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-17 14:25:18,524 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:25:18,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:25:18,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1495626362, now seen corresponding path program 1 times [2020-09-17 14:25:18,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:25:18,525 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325637948] [2020-09-17 14:25:18,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:25:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:25:18,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:25:18,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325637948] [2020-09-17 14:25:18,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:25:18,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-17 14:25:18,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735885684] [2020-09-17 14:25:18,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-17 14:25:18,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:25:18,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-17 14:25:18,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-17 14:25:18,707 INFO L87 Difference]: Start difference. First operand 1652 states and 3682 transitions. Second operand 9 states. [2020-09-17 14:25:20,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:25:20,302 INFO L93 Difference]: Finished difference Result 2266 states and 5011 transitions. [2020-09-17 14:25:20,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-17 14:25:20,303 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-09-17 14:25:20,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:25:20,316 INFO L225 Difference]: With dead ends: 2266 [2020-09-17 14:25:20,316 INFO L226 Difference]: Without dead ends: 2266 [2020-09-17 14:25:20,317 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2020-09-17 14:25:20,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2266 states. [2020-09-17 14:25:20,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2266 to 1679. [2020-09-17 14:25:20,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1679 states. [2020-09-17 14:25:20,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1679 states and 3742 transitions. [2020-09-17 14:25:20,366 INFO L78 Accepts]: Start accepts. Automaton has 1679 states and 3742 transitions. Word has length 14 [2020-09-17 14:25:20,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:25:20,366 INFO L479 AbstractCegarLoop]: Abstraction has 1679 states and 3742 transitions. [2020-09-17 14:25:20,366 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-17 14:25:20,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 3742 transitions. [2020-09-17 14:25:20,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-17 14:25:20,368 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:25:20,368 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:25:20,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-17 14:25:20,369 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:25:20,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:25:20,369 INFO L82 PathProgramCache]: Analyzing trace with hash 341856152, now seen corresponding path program 2 times [2020-09-17 14:25:20,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:25:20,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100295466] [2020-09-17 14:25:20,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:25:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:25:20,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:25:20,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100295466] [2020-09-17 14:25:20,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:25:20,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-17 14:25:20,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488698159] [2020-09-17 14:25:20,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-17 14:25:20,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:25:20,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-17 14:25:20,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-17 14:25:20,600 INFO L87 Difference]: Start difference. First operand 1679 states and 3742 transitions. Second operand 9 states. [2020-09-17 14:25:22,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:25:22,364 INFO L93 Difference]: Finished difference Result 2331 states and 5154 transitions. [2020-09-17 14:25:22,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-17 14:25:22,365 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-09-17 14:25:22,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:25:22,378 INFO L225 Difference]: With dead ends: 2331 [2020-09-17 14:25:22,378 INFO L226 Difference]: Without dead ends: 2331 [2020-09-17 14:25:22,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=251, Unknown=0, NotChecked=0, Total=380 [2020-09-17 14:25:22,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2331 states. [2020-09-17 14:25:22,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2331 to 1686. [2020-09-17 14:25:22,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1686 states. [2020-09-17 14:25:22,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1686 states and 3758 transitions. [2020-09-17 14:25:22,429 INFO L78 Accepts]: Start accepts. Automaton has 1686 states and 3758 transitions. Word has length 14 [2020-09-17 14:25:22,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:25:22,429 INFO L479 AbstractCegarLoop]: Abstraction has 1686 states and 3758 transitions. [2020-09-17 14:25:22,429 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-17 14:25:22,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1686 states and 3758 transitions. [2020-09-17 14:25:22,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-17 14:25:22,431 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:25:22,431 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:25:22,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-17 14:25:22,431 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:25:22,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:25:22,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1999934906, now seen corresponding path program 3 times [2020-09-17 14:25:22,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:25:22,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220089016] [2020-09-17 14:25:22,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:25:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:25:22,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:25:22,606 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220089016] [2020-09-17 14:25:22,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:25:22,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-17 14:25:22,607 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218015937] [2020-09-17 14:25:22,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-17 14:25:22,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:25:22,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-17 14:25:22,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-17 14:25:22,609 INFO L87 Difference]: Start difference. First operand 1686 states and 3758 transitions. Second operand 9 states. [2020-09-17 14:25:24,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:25:24,132 INFO L93 Difference]: Finished difference Result 2197 states and 4868 transitions. [2020-09-17 14:25:24,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-17 14:25:24,132 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-09-17 14:25:24,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:25:24,142 INFO L225 Difference]: With dead ends: 2197 [2020-09-17 14:25:24,142 INFO L226 Difference]: Without dead ends: 2197 [2020-09-17 14:25:24,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2020-09-17 14:25:24,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2197 states. [2020-09-17 14:25:24,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2197 to 1679. [2020-09-17 14:25:24,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1679 states. [2020-09-17 14:25:24,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1679 states and 3742 transitions. [2020-09-17 14:25:24,186 INFO L78 Accepts]: Start accepts. Automaton has 1679 states and 3742 transitions. Word has length 14 [2020-09-17 14:25:24,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:25:24,186 INFO L479 AbstractCegarLoop]: Abstraction has 1679 states and 3742 transitions. [2020-09-17 14:25:24,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-17 14:25:24,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 3742 transitions. [2020-09-17 14:25:24,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-17 14:25:24,187 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:25:24,188 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:25:24,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-17 14:25:24,188 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:25:24,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:25:24,188 INFO L82 PathProgramCache]: Analyzing trace with hash -70509489, now seen corresponding path program 1 times [2020-09-17 14:25:24,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:25:24,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928543391] [2020-09-17 14:25:24,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:25:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:25:24,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:25:24,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928543391] [2020-09-17 14:25:24,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:25:24,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-17 14:25:24,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318616782] [2020-09-17 14:25:24,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-17 14:25:24,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:25:24,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-17 14:25:24,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-17 14:25:24,371 INFO L87 Difference]: Start difference. First operand 1679 states and 3742 transitions. Second operand 8 states. [2020-09-17 14:25:25,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:25:25,610 INFO L93 Difference]: Finished difference Result 2534 states and 5609 transitions. [2020-09-17 14:25:25,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-17 14:25:25,611 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2020-09-17 14:25:25,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:25:25,624 INFO L225 Difference]: With dead ends: 2534 [2020-09-17 14:25:25,624 INFO L226 Difference]: Without dead ends: 2443 [2020-09-17 14:25:25,625 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-09-17 14:25:25,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2443 states. [2020-09-17 14:25:25,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2443 to 1848. [2020-09-17 14:25:25,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1848 states. [2020-09-17 14:25:25,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1848 states to 1848 states and 4169 transitions. [2020-09-17 14:25:25,673 INFO L78 Accepts]: Start accepts. Automaton has 1848 states and 4169 transitions. Word has length 14 [2020-09-17 14:25:25,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:25:25,673 INFO L479 AbstractCegarLoop]: Abstraction has 1848 states and 4169 transitions. [2020-09-17 14:25:25,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-17 14:25:25,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1848 states and 4169 transitions. [2020-09-17 14:25:25,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-17 14:25:25,675 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:25:25,675 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:25:25,675 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-17 14:25:25,675 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:25:25,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:25:25,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1644221894, now seen corresponding path program 1 times [2020-09-17 14:25:25,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:25:25,676 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539245154] [2020-09-17 14:25:25,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:25:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:25:25,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:25:25,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539245154] [2020-09-17 14:25:25,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:25:25,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-17 14:25:25,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740398220] [2020-09-17 14:25:25,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-17 14:25:25,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:25:25,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-17 14:25:25,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-17 14:25:25,854 INFO L87 Difference]: Start difference. First operand 1848 states and 4169 transitions. Second operand 7 states. [2020-09-17 14:25:26,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:25:26,824 INFO L93 Difference]: Finished difference Result 2100 states and 4700 transitions. [2020-09-17 14:25:26,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-17 14:25:26,825 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-09-17 14:25:26,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:25:26,840 INFO L225 Difference]: With dead ends: 2100 [2020-09-17 14:25:26,844 INFO L226 Difference]: Without dead ends: 2100 [2020-09-17 14:25:26,844 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2020-09-17 14:25:26,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2020-09-17 14:25:26,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1840. [2020-09-17 14:25:26,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1840 states. [2020-09-17 14:25:26,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1840 states and 4134 transitions. [2020-09-17 14:25:26,891 INFO L78 Accepts]: Start accepts. Automaton has 1840 states and 4134 transitions. Word has length 15 [2020-09-17 14:25:26,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:25:26,891 INFO L479 AbstractCegarLoop]: Abstraction has 1840 states and 4134 transitions. [2020-09-17 14:25:26,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-17 14:25:26,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 4134 transitions. [2020-09-17 14:25:26,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-17 14:25:26,892 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:25:26,892 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:25:26,892 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-17 14:25:26,893 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:25:26,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:25:26,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1537021170, now seen corresponding path program 2 times [2020-09-17 14:25:26,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:25:26,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775686279] [2020-09-17 14:25:26,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:25:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:25:27,552 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-09-17 14:25:27,716 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2020-09-17 14:25:27,859 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-09-17 14:25:28,000 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-09-17 14:25:28,242 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 40 [2020-09-17 14:25:28,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:25:28,544 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775686279] [2020-09-17 14:25:28,544 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:25:28,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-17 14:25:28,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81262904] [2020-09-17 14:25:28,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-17 14:25:28,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:25:28,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-17 14:25:28,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2020-09-17 14:25:28,546 INFO L87 Difference]: Start difference. First operand 1840 states and 4134 transitions. Second operand 15 states. [2020-09-17 14:25:28,871 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2020-09-17 14:25:29,272 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 54 [2020-09-17 14:25:29,433 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 55 [2020-09-17 14:25:29,609 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 43 [2020-09-17 14:25:29,941 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2020-09-17 14:25:30,252 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-09-17 14:25:30,455 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 49 [2020-09-17 14:25:30,863 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 78 [2020-09-17 14:25:31,171 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 62 [2020-09-17 14:25:31,674 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 73 [2020-09-17 14:25:32,314 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 57 [2020-09-17 14:25:32,483 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 58 [2020-09-17 14:25:33,071 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 51 [2020-09-17 14:25:33,273 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 52 [2020-09-17 14:25:35,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:25:35,428 INFO L93 Difference]: Finished difference Result 2503 states and 5582 transitions. [2020-09-17 14:25:35,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-17 14:25:35,428 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2020-09-17 14:25:35,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:25:35,435 INFO L225 Difference]: With dead ends: 2503 [2020-09-17 14:25:35,435 INFO L226 Difference]: Without dead ends: 2503 [2020-09-17 14:25:35,436 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=335, Invalid=855, Unknown=0, NotChecked=0, Total=1190 [2020-09-17 14:25:35,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2503 states. [2020-09-17 14:25:35,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2503 to 1887. [2020-09-17 14:25:35,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1887 states. [2020-09-17 14:25:35,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 4246 transitions. [2020-09-17 14:25:35,480 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 4246 transitions. Word has length 15 [2020-09-17 14:25:35,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:25:35,480 INFO L479 AbstractCegarLoop]: Abstraction has 1887 states and 4246 transitions. [2020-09-17 14:25:35,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-17 14:25:35,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 4246 transitions. [2020-09-17 14:25:35,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-17 14:25:35,481 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:25:35,482 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:25:35,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-17 14:25:35,482 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:25:35,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:25:35,482 INFO L82 PathProgramCache]: Analyzing trace with hash 694796728, now seen corresponding path program 3 times [2020-09-17 14:25:35,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:25:35,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496467205] [2020-09-17 14:25:35,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:25:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:25:35,919 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2020-09-17 14:25:36,035 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2020-09-17 14:25:36,219 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-09-17 14:25:36,418 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2020-09-17 14:25:36,584 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-09-17 14:25:36,755 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-09-17 14:25:37,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:25:37,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496467205] [2020-09-17 14:25:37,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:25:37,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-17 14:25:37,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535962412] [2020-09-17 14:25:37,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-17 14:25:37,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:25:37,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-17 14:25:37,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2020-09-17 14:25:37,199 INFO L87 Difference]: Start difference. First operand 1887 states and 4246 transitions. Second operand 15 states. [2020-09-17 14:25:37,549 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2020-09-17 14:25:37,962 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 54 [2020-09-17 14:25:38,129 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 55 [2020-09-17 14:25:38,301 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 43 [2020-09-17 14:25:38,652 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 61 [2020-09-17 14:25:38,851 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 48 [2020-09-17 14:25:39,043 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 49 [2020-09-17 14:25:39,337 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 79 [2020-09-17 14:25:39,682 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 68 [2020-09-17 14:25:40,297 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 57 [2020-09-17 14:25:40,467 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 58 [2020-09-17 14:25:41,023 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 64 [2020-09-17 14:25:41,258 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 51 [2020-09-17 14:25:41,453 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 52 [2020-09-17 14:25:43,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:25:43,655 INFO L93 Difference]: Finished difference Result 2563 states and 5713 transitions. [2020-09-17 14:25:43,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-17 14:25:43,656 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2020-09-17 14:25:43,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:25:43,666 INFO L225 Difference]: With dead ends: 2563 [2020-09-17 14:25:43,666 INFO L226 Difference]: Without dead ends: 2563 [2020-09-17 14:25:43,667 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=335, Invalid=855, Unknown=0, NotChecked=0, Total=1190 [2020-09-17 14:25:43,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2563 states. [2020-09-17 14:25:43,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2563 to 1893. [2020-09-17 14:25:43,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1893 states. [2020-09-17 14:25:43,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 1893 states and 4259 transitions. [2020-09-17 14:25:43,711 INFO L78 Accepts]: Start accepts. Automaton has 1893 states and 4259 transitions. Word has length 15 [2020-09-17 14:25:43,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:25:43,711 INFO L479 AbstractCegarLoop]: Abstraction has 1893 states and 4259 transitions. [2020-09-17 14:25:43,711 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-17 14:25:43,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 4259 transitions. [2020-09-17 14:25:43,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-17 14:25:43,712 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:25:43,712 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:25:43,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-17 14:25:43,713 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:25:43,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:25:43,713 INFO L82 PathProgramCache]: Analyzing trace with hash 2048498594, now seen corresponding path program 4 times [2020-09-17 14:25:43,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:25:43,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601754479] [2020-09-17 14:25:43,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:25:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:25:44,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:25:44,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601754479] [2020-09-17 14:25:44,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:25:44,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-17 14:25:44,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131605456] [2020-09-17 14:25:44,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-17 14:25:44,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:25:44,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-17 14:25:44,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-17 14:25:44,054 INFO L87 Difference]: Start difference. First operand 1893 states and 4259 transitions. Second operand 11 states. [2020-09-17 14:25:44,969 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2020-09-17 14:25:45,143 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 44 [2020-09-17 14:25:46,210 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 51 [2020-09-17 14:25:46,463 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 47 [2020-09-17 14:25:48,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:25:48,115 INFO L93 Difference]: Finished difference Result 2562 states and 5712 transitions. [2020-09-17 14:25:48,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-17 14:25:48,116 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-09-17 14:25:48,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:25:48,123 INFO L225 Difference]: With dead ends: 2562 [2020-09-17 14:25:48,123 INFO L226 Difference]: Without dead ends: 2562 [2020-09-17 14:25:48,124 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=222, Invalid=480, Unknown=0, NotChecked=0, Total=702 [2020-09-17 14:25:48,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2562 states. [2020-09-17 14:25:48,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2562 to 1899. [2020-09-17 14:25:48,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1899 states. [2020-09-17 14:25:48,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1899 states to 1899 states and 4272 transitions. [2020-09-17 14:25:48,168 INFO L78 Accepts]: Start accepts. Automaton has 1899 states and 4272 transitions. Word has length 15 [2020-09-17 14:25:48,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:25:48,168 INFO L479 AbstractCegarLoop]: Abstraction has 1899 states and 4272 transitions. [2020-09-17 14:25:48,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-17 14:25:48,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1899 states and 4272 transitions. [2020-09-17 14:25:48,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-17 14:25:48,170 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:25:48,170 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:25:48,170 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-17 14:25:48,170 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:25:48,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:25:48,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1799924856, now seen corresponding path program 5 times [2020-09-17 14:25:48,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:25:48,171 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196871078] [2020-09-17 14:25:48,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:25:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:25:48,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:25:48,470 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196871078] [2020-09-17 14:25:48,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:25:48,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-17 14:25:48,474 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876193304] [2020-09-17 14:25:48,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-17 14:25:48,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:25:48,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-17 14:25:48,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-09-17 14:25:48,476 INFO L87 Difference]: Start difference. First operand 1899 states and 4272 transitions. Second operand 11 states. [2020-09-17 14:25:49,378 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 48 [2020-09-17 14:25:50,486 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 51 [2020-09-17 14:25:52,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:25:52,481 INFO L93 Difference]: Finished difference Result 2371 states and 5294 transitions. [2020-09-17 14:25:52,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-17 14:25:52,482 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-09-17 14:25:52,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:25:52,490 INFO L225 Difference]: With dead ends: 2371 [2020-09-17 14:25:52,491 INFO L226 Difference]: Without dead ends: 2371 [2020-09-17 14:25:52,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=246, Invalid=566, Unknown=0, NotChecked=0, Total=812 [2020-09-17 14:25:52,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2371 states. [2020-09-17 14:25:52,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2371 to 1903. [2020-09-17 14:25:52,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1903 states. [2020-09-17 14:25:52,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1903 states and 4280 transitions. [2020-09-17 14:25:52,537 INFO L78 Accepts]: Start accepts. Automaton has 1903 states and 4280 transitions. Word has length 15 [2020-09-17 14:25:52,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:25:52,537 INFO L479 AbstractCegarLoop]: Abstraction has 1903 states and 4280 transitions. [2020-09-17 14:25:52,538 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-17 14:25:52,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 4280 transitions. [2020-09-17 14:25:52,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-17 14:25:52,539 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:25:52,539 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:25:52,539 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-17 14:25:52,539 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:25:52,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:25:52,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1549384894, now seen corresponding path program 6 times [2020-09-17 14:25:52,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:25:52,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556286243] [2020-09-17 14:25:52,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:25:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:25:52,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:25:52,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556286243] [2020-09-17 14:25:52,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:25:52,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-17 14:25:52,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602758203] [2020-09-17 14:25:52,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-17 14:25:52,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:25:52,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-17 14:25:52,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-09-17 14:25:52,824 INFO L87 Difference]: Start difference. First operand 1903 states and 4280 transitions. Second operand 11 states. [2020-09-17 14:25:53,800 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 48 [2020-09-17 14:25:54,090 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 46 [2020-09-17 14:25:55,012 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 51 [2020-09-17 14:25:55,407 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2020-09-17 14:25:57,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:25:57,077 INFO L93 Difference]: Finished difference Result 2320 states and 5181 transitions. [2020-09-17 14:25:57,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-17 14:25:57,078 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-09-17 14:25:57,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:25:57,085 INFO L225 Difference]: With dead ends: 2320 [2020-09-17 14:25:57,085 INFO L226 Difference]: Without dead ends: 2320 [2020-09-17 14:25:57,086 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=241, Invalid=571, Unknown=0, NotChecked=0, Total=812 [2020-09-17 14:25:57,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2320 states. [2020-09-17 14:25:57,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2320 to 1903. [2020-09-17 14:25:57,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1903 states. [2020-09-17 14:25:57,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1903 states and 4280 transitions. [2020-09-17 14:25:57,128 INFO L78 Accepts]: Start accepts. Automaton has 1903 states and 4280 transitions. Word has length 15 [2020-09-17 14:25:57,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:25:57,128 INFO L479 AbstractCegarLoop]: Abstraction has 1903 states and 4280 transitions. [2020-09-17 14:25:57,128 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-17 14:25:57,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 4280 transitions. [2020-09-17 14:25:57,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-17 14:25:57,129 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:25:57,130 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:25:57,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-17 14:25:57,130 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:25:57,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:25:57,130 INFO L82 PathProgramCache]: Analyzing trace with hash 189736568, now seen corresponding path program 7 times [2020-09-17 14:25:57,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:25:57,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980678785] [2020-09-17 14:25:57,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:25:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:25:57,665 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-09-17 14:25:57,818 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2020-09-17 14:25:57,967 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-09-17 14:25:58,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:25:58,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980678785] [2020-09-17 14:25:58,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:25:58,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-17 14:25:58,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010689210] [2020-09-17 14:25:58,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-17 14:25:58,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:25:58,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-17 14:25:58,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2020-09-17 14:25:58,476 INFO L87 Difference]: Start difference. First operand 1903 states and 4280 transitions. Second operand 15 states. [2020-09-17 14:25:58,861 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2020-09-17 14:25:59,065 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 42 [2020-09-17 14:25:59,262 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 55 [2020-09-17 14:25:59,476 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 54 [2020-09-17 14:25:59,627 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 43 [2020-09-17 14:25:59,927 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 60 [2020-09-17 14:26:00,172 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 76 [2020-09-17 14:26:00,334 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 49 [2020-09-17 14:26:00,705 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 95 [2020-09-17 14:26:01,043 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 73 [2020-09-17 14:26:01,598 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 58 [2020-09-17 14:26:02,110 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2020-09-17 14:26:02,438 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2020-09-17 14:26:02,625 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 52 [2020-09-17 14:26:04,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:26:04,789 INFO L93 Difference]: Finished difference Result 2346 states and 5235 transitions. [2020-09-17 14:26:04,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-17 14:26:04,790 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2020-09-17 14:26:04,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:26:04,795 INFO L225 Difference]: With dead ends: 2346 [2020-09-17 14:26:04,796 INFO L226 Difference]: Without dead ends: 2346 [2020-09-17 14:26:04,796 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=310, Invalid=880, Unknown=0, NotChecked=0, Total=1190 [2020-09-17 14:26:04,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2346 states. [2020-09-17 14:26:04,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2346 to 1913. [2020-09-17 14:26:04,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1913 states. [2020-09-17 14:26:04,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1913 states and 4303 transitions. [2020-09-17 14:26:04,836 INFO L78 Accepts]: Start accepts. Automaton has 1913 states and 4303 transitions. Word has length 15 [2020-09-17 14:26:04,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:26:04,836 INFO L479 AbstractCegarLoop]: Abstraction has 1913 states and 4303 transitions. [2020-09-17 14:26:04,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-17 14:26:04,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 4303 transitions. [2020-09-17 14:26:04,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-17 14:26:04,837 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:26:04,838 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:26:04,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-17 14:26:04,838 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:26:04,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:26:04,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1543438434, now seen corresponding path program 8 times [2020-09-17 14:26:04,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:26:04,839 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714661764] [2020-09-17 14:26:04,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:26:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:26:05,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:26:05,121 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714661764] [2020-09-17 14:26:05,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:26:05,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-17 14:26:05,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7386719] [2020-09-17 14:26:05,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-17 14:26:05,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:26:05,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-17 14:26:05,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-09-17 14:26:05,123 INFO L87 Difference]: Start difference. First operand 1913 states and 4303 transitions. Second operand 11 states. [2020-09-17 14:26:06,014 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 48 [2020-09-17 14:26:06,147 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 50 [2020-09-17 14:26:07,178 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 51 [2020-09-17 14:26:07,369 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 53 [2020-09-17 14:26:07,590 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 47 [2020-09-17 14:26:09,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:26:09,334 INFO L93 Difference]: Finished difference Result 2380 states and 5312 transitions. [2020-09-17 14:26:09,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-17 14:26:09,335 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-09-17 14:26:09,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:26:09,339 INFO L225 Difference]: With dead ends: 2380 [2020-09-17 14:26:09,339 INFO L226 Difference]: Without dead ends: 2380 [2020-09-17 14:26:09,340 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=230, Invalid=526, Unknown=0, NotChecked=0, Total=756 [2020-09-17 14:26:09,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2380 states. [2020-09-17 14:26:09,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2380 to 1903. [2020-09-17 14:26:09,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1903 states. [2020-09-17 14:26:09,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1903 states and 4280 transitions. [2020-09-17 14:26:09,375 INFO L78 Accepts]: Start accepts. Automaton has 1903 states and 4280 transitions. Word has length 15 [2020-09-17 14:26:09,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:26:09,375 INFO L479 AbstractCegarLoop]: Abstraction has 1903 states and 4280 transitions. [2020-09-17 14:26:09,375 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-17 14:26:09,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 4280 transitions. [2020-09-17 14:26:09,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-17 14:26:09,377 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:26:09,377 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:26:09,377 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-17 14:26:09,377 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:26:09,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:26:09,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1836536300, now seen corresponding path program 9 times [2020-09-17 14:26:09,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:26:09,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542082438] [2020-09-17 14:26:09,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:26:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:26:10,014 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 38 [2020-09-17 14:26:10,161 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 35 [2020-09-17 14:26:10,293 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-09-17 14:26:10,474 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 40 [2020-09-17 14:26:10,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:26:10,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542082438] [2020-09-17 14:26:10,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:26:10,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-17 14:26:10,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944856858] [2020-09-17 14:26:10,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-17 14:26:10,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:26:10,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-17 14:26:10,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-09-17 14:26:10,799 INFO L87 Difference]: Start difference. First operand 1903 states and 4280 transitions. Second operand 15 states. [2020-09-17 14:26:11,503 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 54 [2020-09-17 14:26:11,815 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2020-09-17 14:26:12,165 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 47 [2020-09-17 14:26:12,559 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 78 [2020-09-17 14:26:12,792 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 62 [2020-09-17 14:26:13,230 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 73 [2020-09-17 14:26:13,586 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 43 [2020-09-17 14:26:13,997 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 57 [2020-09-17 14:26:14,649 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 50 [2020-09-17 14:26:16,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:26:16,922 INFO L93 Difference]: Finished difference Result 2916 states and 6488 transitions. [2020-09-17 14:26:16,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-17 14:26:16,923 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2020-09-17 14:26:16,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:26:16,927 INFO L225 Difference]: With dead ends: 2916 [2020-09-17 14:26:16,927 INFO L226 Difference]: Without dead ends: 2916 [2020-09-17 14:26:16,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=265, Invalid=665, Unknown=0, NotChecked=0, Total=930 [2020-09-17 14:26:16,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2916 states. [2020-09-17 14:26:16,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2916 to 1938. [2020-09-17 14:26:16,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1938 states. [2020-09-17 14:26:16,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1938 states and 4371 transitions. [2020-09-17 14:26:16,956 INFO L78 Accepts]: Start accepts. Automaton has 1938 states and 4371 transitions. Word has length 15 [2020-09-17 14:26:16,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:26:16,956 INFO L479 AbstractCegarLoop]: Abstraction has 1938 states and 4371 transitions. [2020-09-17 14:26:16,956 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-17 14:26:16,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 4371 transitions. [2020-09-17 14:26:16,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-17 14:26:16,957 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:26:16,958 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:26:16,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-17 14:26:16,958 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:26:16,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:26:16,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1616206554, now seen corresponding path program 10 times [2020-09-17 14:26:16,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:26:16,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874921729] [2020-09-17 14:26:16,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:26:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:26:17,610 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 38 [2020-09-17 14:26:17,775 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 35 [2020-09-17 14:26:17,928 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-09-17 14:26:18,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:26:18,375 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874921729] [2020-09-17 14:26:18,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:26:18,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-17 14:26:18,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608181442] [2020-09-17 14:26:18,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-17 14:26:18,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:26:18,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-17 14:26:18,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-09-17 14:26:18,377 INFO L87 Difference]: Start difference. First operand 1938 states and 4371 transitions. Second operand 15 states. [2020-09-17 14:26:19,022 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 54 [2020-09-17 14:26:19,425 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2020-09-17 14:26:19,593 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 47 [2020-09-17 14:26:19,944 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2020-09-17 14:26:20,278 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 67 [2020-09-17 14:26:20,574 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 43 [2020-09-17 14:26:20,963 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 57 [2020-09-17 14:26:21,549 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 63 [2020-09-17 14:26:21,791 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 50 [2020-09-17 14:26:23,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:26:23,601 INFO L93 Difference]: Finished difference Result 2853 states and 6355 transitions. [2020-09-17 14:26:23,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-17 14:26:23,603 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2020-09-17 14:26:23,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:26:23,607 INFO L225 Difference]: With dead ends: 2853 [2020-09-17 14:26:23,607 INFO L226 Difference]: Without dead ends: 2853 [2020-09-17 14:26:23,608 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=267, Invalid=663, Unknown=0, NotChecked=0, Total=930 [2020-09-17 14:26:23,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2853 states. [2020-09-17 14:26:23,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2853 to 1945. [2020-09-17 14:26:23,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1945 states. [2020-09-17 14:26:23,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 4386 transitions. [2020-09-17 14:26:23,635 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 4386 transitions. Word has length 15 [2020-09-17 14:26:23,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:26:23,635 INFO L479 AbstractCegarLoop]: Abstraction has 1945 states and 4386 transitions. [2020-09-17 14:26:23,635 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-17 14:26:23,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 4386 transitions. [2020-09-17 14:26:23,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-17 14:26:23,636 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:26:23,636 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:26:23,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-17 14:26:23,636 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:26:23,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:26:23,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1325058876, now seen corresponding path program 11 times [2020-09-17 14:26:23,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:26:23,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637566703] [2020-09-17 14:26:23,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:26:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:26:23,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:26:23,920 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637566703] [2020-09-17 14:26:23,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:26:23,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-17 14:26:23,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376931816] [2020-09-17 14:26:23,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-17 14:26:23,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:26:23,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-17 14:26:23,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-17 14:26:23,922 INFO L87 Difference]: Start difference. First operand 1945 states and 4386 transitions. Second operand 11 states. [2020-09-17 14:26:24,748 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2020-09-17 14:26:24,946 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 44 [2020-09-17 14:26:25,957 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 51 [2020-09-17 14:26:26,182 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 47 [2020-09-17 14:26:27,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:26:27,587 INFO L93 Difference]: Finished difference Result 2839 states and 6331 transitions. [2020-09-17 14:26:27,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-17 14:26:27,588 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-09-17 14:26:27,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:26:27,592 INFO L225 Difference]: With dead ends: 2839 [2020-09-17 14:26:27,592 INFO L226 Difference]: Without dead ends: 2839 [2020-09-17 14:26:27,593 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=207, Invalid=443, Unknown=0, NotChecked=0, Total=650 [2020-09-17 14:26:27,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2839 states. [2020-09-17 14:26:27,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2839 to 1910. [2020-09-17 14:26:27,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1910 states. [2020-09-17 14:26:27,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1910 states and 4302 transitions. [2020-09-17 14:26:27,616 INFO L78 Accepts]: Start accepts. Automaton has 1910 states and 4302 transitions. Word has length 15 [2020-09-17 14:26:27,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:26:27,616 INFO L479 AbstractCegarLoop]: Abstraction has 1910 states and 4302 transitions. [2020-09-17 14:26:27,616 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-17 14:26:27,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 4302 transitions. [2020-09-17 14:26:27,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-17 14:26:27,617 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:26:27,617 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:26:27,618 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-17 14:26:27,618 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:26:27,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:26:27,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1673100110, now seen corresponding path program 12 times [2020-09-17 14:26:27,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:26:27,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776199242] [2020-09-17 14:26:27,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:26:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:26:28,026 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2020-09-17 14:26:28,272 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 38 [2020-09-17 14:26:28,439 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 35 [2020-09-17 14:26:28,599 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-09-17 14:26:28,822 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 40 [2020-09-17 14:26:29,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:26:29,156 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776199242] [2020-09-17 14:26:29,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:26:29,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-17 14:26:29,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132073053] [2020-09-17 14:26:29,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-17 14:26:29,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:26:29,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-17 14:26:29,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-09-17 14:26:29,158 INFO L87 Difference]: Start difference. First operand 1910 states and 4302 transitions. Second operand 15 states. [2020-09-17 14:26:29,720 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 54 [2020-09-17 14:26:30,021 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2020-09-17 14:26:30,365 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 47 [2020-09-17 14:26:30,764 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 78 [2020-09-17 14:26:30,988 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 62 [2020-09-17 14:26:31,376 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 73 [2020-09-17 14:26:31,786 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 45 [2020-09-17 14:26:32,090 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 57 [2020-09-17 14:26:32,761 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 50 [2020-09-17 14:26:35,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:26:35,196 INFO L93 Difference]: Finished difference Result 2671 states and 5942 transitions. [2020-09-17 14:26:35,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-17 14:26:35,197 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2020-09-17 14:26:35,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:26:35,201 INFO L225 Difference]: With dead ends: 2671 [2020-09-17 14:26:35,201 INFO L226 Difference]: Without dead ends: 2671 [2020-09-17 14:26:35,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=218, Invalid=538, Unknown=0, NotChecked=0, Total=756 [2020-09-17 14:26:35,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2671 states. [2020-09-17 14:26:35,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2671 to 1917. [2020-09-17 14:26:35,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1917 states. [2020-09-17 14:26:35,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1917 states and 4319 transitions. [2020-09-17 14:26:35,233 INFO L78 Accepts]: Start accepts. Automaton has 1917 states and 4319 transitions. Word has length 15 [2020-09-17 14:26:35,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:26:35,233 INFO L479 AbstractCegarLoop]: Abstraction has 1917 states and 4319 transitions. [2020-09-17 14:26:35,233 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-17 14:26:35,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 4319 transitions. [2020-09-17 14:26:35,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-17 14:26:35,235 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:26:35,235 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:26:35,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-17 14:26:35,236 INFO L427 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:26:35,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:26:35,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1779642744, now seen corresponding path program 13 times [2020-09-17 14:26:35,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:26:35,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275774592] [2020-09-17 14:26:35,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:26:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:26:35,831 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 38 [2020-09-17 14:26:35,983 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 35 [2020-09-17 14:26:36,126 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-09-17 14:26:36,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:26:36,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275774592] [2020-09-17 14:26:36,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:26:36,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-17 14:26:36,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016343473] [2020-09-17 14:26:36,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-17 14:26:36,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:26:36,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-17 14:26:36,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-09-17 14:26:36,561 INFO L87 Difference]: Start difference. First operand 1917 states and 4319 transitions. Second operand 15 states. [2020-09-17 14:26:37,057 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 54 [2020-09-17 14:26:37,453 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2020-09-17 14:26:37,612 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 47 [2020-09-17 14:26:37,954 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2020-09-17 14:26:38,288 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 67 [2020-09-17 14:26:38,663 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 45 [2020-09-17 14:26:38,947 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 57 [2020-09-17 14:26:39,505 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 63 [2020-09-17 14:26:39,746 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 50 [2020-09-17 14:26:41,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:26:41,779 INFO L93 Difference]: Finished difference Result 2608 states and 5809 transitions. [2020-09-17 14:26:41,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-17 14:26:41,779 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2020-09-17 14:26:41,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:26:41,783 INFO L225 Difference]: With dead ends: 2608 [2020-09-17 14:26:41,783 INFO L226 Difference]: Without dead ends: 2608 [2020-09-17 14:26:41,784 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=219, Invalid=537, Unknown=0, NotChecked=0, Total=756 [2020-09-17 14:26:41,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2608 states. [2020-09-17 14:26:41,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2608 to 1917. [2020-09-17 14:26:41,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1917 states. [2020-09-17 14:26:41,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1917 states and 4319 transitions. [2020-09-17 14:26:41,821 INFO L78 Accepts]: Start accepts. Automaton has 1917 states and 4319 transitions. Word has length 15 [2020-09-17 14:26:41,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:26:41,821 INFO L479 AbstractCegarLoop]: Abstraction has 1917 states and 4319 transitions. [2020-09-17 14:26:41,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-17 14:26:41,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 4319 transitions. [2020-09-17 14:26:41,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-17 14:26:41,823 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:26:41,823 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:26:41,823 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-09-17 14:26:41,824 INFO L427 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:26:41,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:26:41,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1161622686, now seen corresponding path program 14 times [2020-09-17 14:26:41,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:26:41,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813861276] [2020-09-17 14:26:41,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:26:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:26:42,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:26:42,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813861276] [2020-09-17 14:26:42,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:26:42,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-17 14:26:42,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204150810] [2020-09-17 14:26:42,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-17 14:26:42,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:26:42,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-17 14:26:42,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-09-17 14:26:42,110 INFO L87 Difference]: Start difference. First operand 1917 states and 4319 transitions. Second operand 11 states. [2020-09-17 14:26:42,764 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2020-09-17 14:26:42,953 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 44 [2020-09-17 14:26:43,471 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 44 [2020-09-17 14:26:43,894 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 51 [2020-09-17 14:26:44,135 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 47 [2020-09-17 14:26:45,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:26:45,660 INFO L93 Difference]: Finished difference Result 2594 states and 5785 transitions. [2020-09-17 14:26:45,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-17 14:26:45,661 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-09-17 14:26:45,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:26:45,664 INFO L225 Difference]: With dead ends: 2594 [2020-09-17 14:26:45,664 INFO L226 Difference]: Without dead ends: 2594 [2020-09-17 14:26:45,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=162, Invalid=344, Unknown=0, NotChecked=0, Total=506 [2020-09-17 14:26:45,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2594 states. [2020-09-17 14:26:45,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2594 to 1868. [2020-09-17 14:26:45,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1868 states. [2020-09-17 14:26:45,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1868 states and 4198 transitions. [2020-09-17 14:26:45,698 INFO L78 Accepts]: Start accepts. Automaton has 1868 states and 4198 transitions. Word has length 15 [2020-09-17 14:26:45,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:26:45,698 INFO L479 AbstractCegarLoop]: Abstraction has 1868 states and 4198 transitions. [2020-09-17 14:26:45,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-17 14:26:45,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 4198 transitions. [2020-09-17 14:26:45,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-17 14:26:45,700 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:26:45,700 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:26:45,700 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-09-17 14:26:45,700 INFO L427 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:26:45,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:26:45,701 INFO L82 PathProgramCache]: Analyzing trace with hash -807122092, now seen corresponding path program 1 times [2020-09-17 14:26:45,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:26:45,701 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694701474] [2020-09-17 14:26:45,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:26:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:26:46,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:26:46,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694701474] [2020-09-17 14:26:46,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:26:46,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-17 14:26:46,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979405127] [2020-09-17 14:26:46,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-17 14:26:46,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:26:46,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-17 14:26:46,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-09-17 14:26:46,512 INFO L87 Difference]: Start difference. First operand 1868 states and 4198 transitions. Second operand 14 states. [2020-09-17 14:26:47,053 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 39 [2020-09-17 14:26:47,395 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 48 [2020-09-17 14:26:47,765 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 51 [2020-09-17 14:26:48,038 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 51 [2020-09-17 14:26:48,429 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 42 [2020-09-17 14:26:48,894 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 45 [2020-09-17 14:26:49,034 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2020-09-17 14:26:49,775 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-09-17 14:26:50,176 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2020-09-17 14:26:51,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:26:51,993 INFO L93 Difference]: Finished difference Result 3666 states and 8247 transitions. [2020-09-17 14:26:51,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-09-17 14:26:51,994 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 17 [2020-09-17 14:26:51,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:26:51,999 INFO L225 Difference]: With dead ends: 3666 [2020-09-17 14:26:51,999 INFO L226 Difference]: Without dead ends: 3666 [2020-09-17 14:26:52,000 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=320, Invalid=1012, Unknown=0, NotChecked=0, Total=1332 [2020-09-17 14:26:52,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3666 states. [2020-09-17 14:26:52,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3666 to 2026. [2020-09-17 14:26:52,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2026 states. [2020-09-17 14:26:52,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 4595 transitions. [2020-09-17 14:26:52,040 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 4595 transitions. Word has length 17 [2020-09-17 14:26:52,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:26:52,042 INFO L479 AbstractCegarLoop]: Abstraction has 2026 states and 4595 transitions. [2020-09-17 14:26:52,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-17 14:26:52,042 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 4595 transitions. [2020-09-17 14:26:52,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-17 14:26:52,043 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:26:52,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:26:52,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-09-17 14:26:52,044 INFO L427 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:26:52,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:26:52,044 INFO L82 PathProgramCache]: Analyzing trace with hash -803345362, now seen corresponding path program 2 times [2020-09-17 14:26:52,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:26:52,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966311914] [2020-09-17 14:26:52,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:26:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:26:52,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:26:52,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966311914] [2020-09-17 14:26:52,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:26:52,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-17 14:26:52,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620308590] [2020-09-17 14:26:52,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-17 14:26:52,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:26:52,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-17 14:26:52,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-09-17 14:26:52,769 INFO L87 Difference]: Start difference. First operand 2026 states and 4595 transitions. Second operand 14 states. [2020-09-17 14:26:53,384 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 38 [2020-09-17 14:26:53,748 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 46 [2020-09-17 14:26:54,197 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 49 [2020-09-17 14:26:54,504 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 49 [2020-09-17 14:26:55,136 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 41 [2020-09-17 14:26:55,272 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2020-09-17 14:26:55,974 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 45 [2020-09-17 14:26:56,371 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 48 [2020-09-17 14:26:58,492 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 41 [2020-09-17 14:26:59,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:26:59,060 INFO L93 Difference]: Finished difference Result 3448 states and 7812 transitions. [2020-09-17 14:26:59,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-17 14:26:59,061 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 17 [2020-09-17 14:26:59,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:26:59,067 INFO L225 Difference]: With dead ends: 3448 [2020-09-17 14:26:59,067 INFO L226 Difference]: Without dead ends: 3448 [2020-09-17 14:26:59,068 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=278, Invalid=844, Unknown=0, NotChecked=0, Total=1122 [2020-09-17 14:26:59,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3448 states. [2020-09-17 14:26:59,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3448 to 2072. [2020-09-17 14:26:59,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2072 states. [2020-09-17 14:26:59,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 2072 states and 4713 transitions. [2020-09-17 14:26:59,102 INFO L78 Accepts]: Start accepts. Automaton has 2072 states and 4713 transitions. Word has length 17 [2020-09-17 14:26:59,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:26:59,102 INFO L479 AbstractCegarLoop]: Abstraction has 2072 states and 4713 transitions. [2020-09-17 14:26:59,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-17 14:26:59,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2072 states and 4713 transitions. [2020-09-17 14:26:59,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-17 14:26:59,103 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:26:59,103 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:26:59,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-09-17 14:26:59,103 INFO L427 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:26:59,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:26:59,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1564008090, now seen corresponding path program 3 times [2020-09-17 14:26:59,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:26:59,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340832692] [2020-09-17 14:26:59,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:26:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:26:59,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:26:59,861 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340832692] [2020-09-17 14:26:59,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:26:59,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-17 14:26:59,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90905336] [2020-09-17 14:26:59,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-17 14:26:59,861 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:26:59,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-17 14:26:59,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-09-17 14:26:59,862 INFO L87 Difference]: Start difference. First operand 2072 states and 4713 transitions. Second operand 14 states. [2020-09-17 14:27:00,499 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 39 [2020-09-17 14:27:00,951 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 45 [2020-09-17 14:27:01,107 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 48 [2020-09-17 14:27:01,363 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2020-09-17 14:27:01,624 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 48 [2020-09-17 14:27:01,832 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 56 [2020-09-17 14:27:02,112 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-09-17 14:27:02,801 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 48 [2020-09-17 14:27:02,970 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 51 [2020-09-17 14:27:03,594 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 51 [2020-09-17 14:27:03,929 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 59 [2020-09-17 14:27:04,364 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 62 [2020-09-17 14:27:06,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:27:06,290 INFO L93 Difference]: Finished difference Result 3679 states and 8328 transitions. [2020-09-17 14:27:06,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-17 14:27:06,290 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 17 [2020-09-17 14:27:06,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:27:06,295 INFO L225 Difference]: With dead ends: 3679 [2020-09-17 14:27:06,295 INFO L226 Difference]: Without dead ends: 3679 [2020-09-17 14:27:06,296 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=427, Invalid=1213, Unknown=0, NotChecked=0, Total=1640 [2020-09-17 14:27:06,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3679 states. [2020-09-17 14:27:06,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3679 to 2082. [2020-09-17 14:27:06,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2082 states. [2020-09-17 14:27:06,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 2082 states and 4736 transitions. [2020-09-17 14:27:06,337 INFO L78 Accepts]: Start accepts. Automaton has 2082 states and 4736 transitions. Word has length 17 [2020-09-17 14:27:06,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:27:06,338 INFO L479 AbstractCegarLoop]: Abstraction has 2082 states and 4736 transitions. [2020-09-17 14:27:06,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-17 14:27:06,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2082 states and 4736 transitions. [2020-09-17 14:27:06,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-17 14:27:06,339 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:27:06,339 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:27:06,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-09-17 14:27:06,340 INFO L427 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:27:06,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:27:06,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1567784820, now seen corresponding path program 4 times [2020-09-17 14:27:06,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:27:06,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838262377] [2020-09-17 14:27:06,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:27:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:27:06,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:27:06,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838262377] [2020-09-17 14:27:06,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:27:06,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-17 14:27:06,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603973419] [2020-09-17 14:27:06,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-17 14:27:06,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:27:06,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-17 14:27:06,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-09-17 14:27:06,994 INFO L87 Difference]: Start difference. First operand 2082 states and 4736 transitions. Second operand 14 states. [2020-09-17 14:27:07,574 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 38 [2020-09-17 14:27:08,013 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 43 [2020-09-17 14:27:08,286 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 56 [2020-09-17 14:27:08,445 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 41 [2020-09-17 14:27:08,737 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 54 [2020-09-17 14:27:09,360 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 41 [2020-09-17 14:27:10,082 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 46 [2020-09-17 14:27:10,388 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 45 [2020-09-17 14:27:10,615 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 44 [2020-09-17 14:27:10,958 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 48 [2020-09-17 14:27:13,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:27:13,581 INFO L93 Difference]: Finished difference Result 3650 states and 8304 transitions. [2020-09-17 14:27:13,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-09-17 14:27:13,582 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 17 [2020-09-17 14:27:13,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:27:13,587 INFO L225 Difference]: With dead ends: 3650 [2020-09-17 14:27:13,588 INFO L226 Difference]: Without dead ends: 3650 [2020-09-17 14:27:13,588 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=322, Invalid=938, Unknown=0, NotChecked=0, Total=1260 [2020-09-17 14:27:13,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3650 states. [2020-09-17 14:27:13,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3650 to 2074. [2020-09-17 14:27:13,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2074 states. [2020-09-17 14:27:13,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 4718 transitions. [2020-09-17 14:27:13,636 INFO L78 Accepts]: Start accepts. Automaton has 2074 states and 4718 transitions. Word has length 17 [2020-09-17 14:27:13,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:27:13,636 INFO L479 AbstractCegarLoop]: Abstraction has 2074 states and 4718 transitions. [2020-09-17 14:27:13,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-17 14:27:13,636 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 4718 transitions. [2020-09-17 14:27:13,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-17 14:27:13,638 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:27:13,638 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:27:13,638 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-09-17 14:27:13,638 INFO L427 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:27:13,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:27:13,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1824797056, now seen corresponding path program 5 times [2020-09-17 14:27:13,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:27:13,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402320015] [2020-09-17 14:27:13,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:27:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:27:14,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:27:14,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402320015] [2020-09-17 14:27:14,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:27:14,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-17 14:27:14,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661979130] [2020-09-17 14:27:14,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-17 14:27:14,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:27:14,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-17 14:27:14,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-09-17 14:27:14,130 INFO L87 Difference]: Start difference. First operand 2074 states and 4718 transitions. Second operand 12 states. [2020-09-17 14:27:14,809 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2020-09-17 14:27:14,941 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2020-09-17 14:27:15,240 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 52 [2020-09-17 14:27:15,469 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 52 [2020-09-17 14:27:16,115 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 47 [2020-09-17 14:27:16,255 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 47 [2020-09-17 14:27:16,782 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 55 [2020-09-17 14:27:17,096 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 55 [2020-09-17 14:27:19,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:27:19,141 INFO L93 Difference]: Finished difference Result 3260 states and 7376 transitions. [2020-09-17 14:27:19,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-17 14:27:19,142 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 17 [2020-09-17 14:27:19,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:27:19,147 INFO L225 Difference]: With dead ends: 3260 [2020-09-17 14:27:19,147 INFO L226 Difference]: Without dead ends: 3260 [2020-09-17 14:27:19,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=235, Invalid=577, Unknown=0, NotChecked=0, Total=812 [2020-09-17 14:27:19,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3260 states. [2020-09-17 14:27:19,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3260 to 2057. [2020-09-17 14:27:19,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2057 states. [2020-09-17 14:27:19,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2057 states to 2057 states and 4664 transitions. [2020-09-17 14:27:19,186 INFO L78 Accepts]: Start accepts. Automaton has 2057 states and 4664 transitions. Word has length 17 [2020-09-17 14:27:19,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:27:19,187 INFO L479 AbstractCegarLoop]: Abstraction has 2057 states and 4664 transitions. [2020-09-17 14:27:19,187 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-17 14:27:19,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2057 states and 4664 transitions. [2020-09-17 14:27:19,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-17 14:27:19,188 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:27:19,189 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:27:19,189 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-09-17 14:27:19,189 INFO L427 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:27:19,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:27:19,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1515180442, now seen corresponding path program 6 times [2020-09-17 14:27:19,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:27:19,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535712623] [2020-09-17 14:27:19,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:27:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:27:19,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:27:19,618 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535712623] [2020-09-17 14:27:19,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:27:19,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-17 14:27:19,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523160148] [2020-09-17 14:27:19,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-17 14:27:19,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:27:19,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-17 14:27:19,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-09-17 14:27:19,619 INFO L87 Difference]: Start difference. First operand 2057 states and 4664 transitions. Second operand 12 states. [2020-09-17 14:27:20,409 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 46 [2020-09-17 14:27:20,584 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 46 [2020-09-17 14:27:20,786 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2020-09-17 14:27:20,993 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2020-09-17 14:27:21,654 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 47 [2020-09-17 14:27:22,180 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2020-09-17 14:27:22,492 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2020-09-17 14:27:24,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:27:24,432 INFO L93 Difference]: Finished difference Result 3565 states and 8096 transitions. [2020-09-17 14:27:24,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-17 14:27:24,433 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 17 [2020-09-17 14:27:24,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:27:24,437 INFO L225 Difference]: With dead ends: 3565 [2020-09-17 14:27:24,437 INFO L226 Difference]: Without dead ends: 3565 [2020-09-17 14:27:24,438 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=280, Invalid=776, Unknown=0, NotChecked=0, Total=1056 [2020-09-17 14:27:24,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2020-09-17 14:27:24,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 2079. [2020-09-17 14:27:24,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2079 states. [2020-09-17 14:27:24,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 2079 states and 4712 transitions. [2020-09-17 14:27:24,469 INFO L78 Accepts]: Start accepts. Automaton has 2079 states and 4712 transitions. Word has length 17 [2020-09-17 14:27:24,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:27:24,469 INFO L479 AbstractCegarLoop]: Abstraction has 2079 states and 4712 transitions. [2020-09-17 14:27:24,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-17 14:27:24,469 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 4712 transitions. [2020-09-17 14:27:24,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-17 14:27:24,470 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:27:24,471 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:27:24,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-09-17 14:27:24,471 INFO L427 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:27:24,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:27:24,471 INFO L82 PathProgramCache]: Analyzing trace with hash -784981494, now seen corresponding path program 7 times [2020-09-17 14:27:24,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:27:24,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242927882] [2020-09-17 14:27:24,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:27:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:27:24,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:27:24,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242927882] [2020-09-17 14:27:24,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:27:24,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-17 14:27:24,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051969925] [2020-09-17 14:27:24,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-17 14:27:24,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:27:24,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-17 14:27:24,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-09-17 14:27:24,934 INFO L87 Difference]: Start difference. First operand 2079 states and 4712 transitions. Second operand 12 states. [2020-09-17 14:27:25,746 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 46 [2020-09-17 14:27:25,917 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 46 [2020-09-17 14:27:26,123 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2020-09-17 14:27:26,337 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2020-09-17 14:27:26,495 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 54 [2020-09-17 14:27:27,188 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 47 [2020-09-17 14:27:27,715 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2020-09-17 14:27:28,007 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2020-09-17 14:27:28,243 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 57 [2020-09-17 14:27:30,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:27:30,501 INFO L93 Difference]: Finished difference Result 3427 states and 7792 transitions. [2020-09-17 14:27:30,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-17 14:27:30,502 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 17 [2020-09-17 14:27:30,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:27:30,507 INFO L225 Difference]: With dead ends: 3427 [2020-09-17 14:27:30,507 INFO L226 Difference]: Without dead ends: 3427 [2020-09-17 14:27:30,507 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=272, Invalid=784, Unknown=0, NotChecked=0, Total=1056 [2020-09-17 14:27:30,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3427 states. [2020-09-17 14:27:30,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3427 to 2079. [2020-09-17 14:27:30,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2079 states. [2020-09-17 14:27:30,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 2079 states and 4712 transitions. [2020-09-17 14:27:30,534 INFO L78 Accepts]: Start accepts. Automaton has 2079 states and 4712 transitions. Word has length 17 [2020-09-17 14:27:30,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:27:30,534 INFO L479 AbstractCegarLoop]: Abstraction has 2079 states and 4712 transitions. [2020-09-17 14:27:30,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-17 14:27:30,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 4712 transitions. [2020-09-17 14:27:30,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-17 14:27:30,536 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:27:30,536 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:27:30,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-09-17 14:27:30,536 INFO L427 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:27:30,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:27:30,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1082098788, now seen corresponding path program 8 times [2020-09-17 14:27:30,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:27:30,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129798962] [2020-09-17 14:27:30,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:27:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:27:30,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:27:30,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129798962] [2020-09-17 14:27:30,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:27:30,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-17 14:27:30,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476498289] [2020-09-17 14:27:30,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-17 14:27:30,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:27:30,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-17 14:27:30,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-17 14:27:30,988 INFO L87 Difference]: Start difference. First operand 2079 states and 4712 transitions. Second operand 12 states. [2020-09-17 14:27:31,801 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 46 [2020-09-17 14:27:31,973 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 46 [2020-09-17 14:27:32,192 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2020-09-17 14:27:32,408 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2020-09-17 14:27:32,585 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 56 [2020-09-17 14:27:33,220 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 47 [2020-09-17 14:27:33,684 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2020-09-17 14:27:33,967 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2020-09-17 14:27:34,229 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 59 [2020-09-17 14:27:36,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:27:36,346 INFO L93 Difference]: Finished difference Result 3010 states and 6811 transitions. [2020-09-17 14:27:36,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-17 14:27:36,347 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 17 [2020-09-17 14:27:36,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:27:36,351 INFO L225 Difference]: With dead ends: 3010 [2020-09-17 14:27:36,351 INFO L226 Difference]: Without dead ends: 3010 [2020-09-17 14:27:36,351 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=254, Invalid=676, Unknown=0, NotChecked=0, Total=930 [2020-09-17 14:27:36,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3010 states. [2020-09-17 14:27:36,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3010 to 2079. [2020-09-17 14:27:36,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2079 states. [2020-09-17 14:27:36,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 2079 states and 4712 transitions. [2020-09-17 14:27:36,376 INFO L78 Accepts]: Start accepts. Automaton has 2079 states and 4712 transitions. Word has length 17 [2020-09-17 14:27:36,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:27:36,376 INFO L479 AbstractCegarLoop]: Abstraction has 2079 states and 4712 transitions. [2020-09-17 14:27:36,376 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-17 14:27:36,376 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 4712 transitions. [2020-09-17 14:27:36,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-17 14:27:36,377 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:27:36,378 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:27:36,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-09-17 14:27:36,378 INFO L427 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:27:36,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:27:36,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1532498778, now seen corresponding path program 9 times [2020-09-17 14:27:36,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:27:36,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936605152] [2020-09-17 14:27:36,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:27:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:27:37,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:27:37,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936605152] [2020-09-17 14:27:37,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:27:37,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-17 14:27:37,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923223103] [2020-09-17 14:27:37,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-17 14:27:37,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:27:37,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-17 14:27:37,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-09-17 14:27:37,110 INFO L87 Difference]: Start difference. First operand 2079 states and 4712 transitions. Second operand 14 states. [2020-09-17 14:27:38,008 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 40 [2020-09-17 14:27:38,175 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 48 [2020-09-17 14:27:38,422 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 46 [2020-09-17 14:27:38,610 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 55 [2020-09-17 14:27:38,853 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 51 [2020-09-17 14:27:39,109 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2020-09-17 14:27:39,375 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 60 [2020-09-17 14:27:40,046 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 51 [2020-09-17 14:27:40,602 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 60 [2020-09-17 14:27:40,866 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 54 [2020-09-17 14:27:41,189 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 62 [2020-09-17 14:27:41,423 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 63 [2020-09-17 14:27:41,854 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 65 [2020-09-17 14:27:43,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:27:43,860 INFO L93 Difference]: Finished difference Result 3455 states and 7819 transitions. [2020-09-17 14:27:43,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-09-17 14:27:43,861 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 17 [2020-09-17 14:27:43,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:27:43,866 INFO L225 Difference]: With dead ends: 3455 [2020-09-17 14:27:43,866 INFO L226 Difference]: Without dead ends: 3455 [2020-09-17 14:27:43,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=432, Invalid=1290, Unknown=0, NotChecked=0, Total=1722 [2020-09-17 14:27:43,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3455 states. [2020-09-17 14:27:43,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3455 to 2101. [2020-09-17 14:27:43,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2101 states. [2020-09-17 14:27:43,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 2101 states and 4773 transitions. [2020-09-17 14:27:43,894 INFO L78 Accepts]: Start accepts. Automaton has 2101 states and 4773 transitions. Word has length 17 [2020-09-17 14:27:43,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:27:43,894 INFO L479 AbstractCegarLoop]: Abstraction has 2101 states and 4773 transitions. [2020-09-17 14:27:43,894 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-17 14:27:43,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2101 states and 4773 transitions. [2020-09-17 14:27:43,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-17 14:27:43,896 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:27:43,896 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:27:43,896 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-09-17 14:27:43,896 INFO L427 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:27:43,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:27:43,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1536275508, now seen corresponding path program 10 times [2020-09-17 14:27:43,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:27:43,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134930] [2020-09-17 14:27:43,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:27:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:27:44,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:27:44,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134930] [2020-09-17 14:27:44,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:27:44,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-17 14:27:44,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95363143] [2020-09-17 14:27:44,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-17 14:27:44,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:27:44,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-17 14:27:44,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-09-17 14:27:44,414 INFO L87 Difference]: Start difference. First operand 2101 states and 4773 transitions. Second operand 14 states. [2020-09-17 14:27:45,132 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 40 [2020-09-17 14:27:45,391 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 46 [2020-09-17 14:27:45,571 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 54 [2020-09-17 14:27:45,874 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2020-09-17 14:27:46,262 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 59 [2020-09-17 14:27:46,436 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 48 [2020-09-17 14:27:46,960 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2020-09-17 14:27:47,489 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 48 [2020-09-17 14:27:47,791 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 57 [2020-09-17 14:27:48,102 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 50 [2020-09-17 14:27:48,263 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 49 [2020-09-17 14:27:50,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:27:50,514 INFO L93 Difference]: Finished difference Result 3277 states and 7438 transitions. [2020-09-17 14:27:50,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-09-17 14:27:50,515 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 17 [2020-09-17 14:27:50,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:27:50,519 INFO L225 Difference]: With dead ends: 3277 [2020-09-17 14:27:50,519 INFO L226 Difference]: Without dead ends: 3277 [2020-09-17 14:27:50,520 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=314, Invalid=946, Unknown=0, NotChecked=0, Total=1260 [2020-09-17 14:27:50,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3277 states. [2020-09-17 14:27:50,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3277 to 2101. [2020-09-17 14:27:50,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2101 states. [2020-09-17 14:27:50,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 2101 states and 4773 transitions. [2020-09-17 14:27:50,550 INFO L78 Accepts]: Start accepts. Automaton has 2101 states and 4773 transitions. Word has length 17 [2020-09-17 14:27:50,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:27:50,550 INFO L479 AbstractCegarLoop]: Abstraction has 2101 states and 4773 transitions. [2020-09-17 14:27:50,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-17 14:27:50,551 INFO L276 IsEmpty]: Start isEmpty. Operand 2101 states and 4773 transitions. [2020-09-17 14:27:50,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-17 14:27:50,552 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:27:50,553 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:27:50,553 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-09-17 14:27:50,553 INFO L427 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:27:50,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:27:50,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1793287744, now seen corresponding path program 11 times [2020-09-17 14:27:50,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:27:50,554 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785857356] [2020-09-17 14:27:50,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:27:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:27:51,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-17 14:27:51,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785857356] [2020-09-17 14:27:51,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-17 14:27:51,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-17 14:27:51,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637487213] [2020-09-17 14:27:51,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-17 14:27:51,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-17 14:27:51,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-17 14:27:51,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-17 14:27:51,022 INFO L87 Difference]: Start difference. First operand 2101 states and 4773 transitions. Second operand 12 states. [2020-09-17 14:27:51,643 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2020-09-17 14:27:51,812 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 46 [2020-09-17 14:27:52,066 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2020-09-17 14:27:52,232 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 54 [2020-09-17 14:27:52,452 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2020-09-17 14:27:53,081 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 47 [2020-09-17 14:27:53,541 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2020-09-17 14:27:53,785 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 57 [2020-09-17 14:27:54,081 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2020-09-17 14:27:55,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-17 14:27:55,966 INFO L93 Difference]: Finished difference Result 3224 states and 7336 transitions. [2020-09-17 14:27:55,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-17 14:27:55,967 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 17 [2020-09-17 14:27:55,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-17 14:27:55,971 INFO L225 Difference]: With dead ends: 3224 [2020-09-17 14:27:55,971 INFO L226 Difference]: Without dead ends: 3224 [2020-09-17 14:27:55,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=243, Invalid=627, Unknown=0, NotChecked=0, Total=870 [2020-09-17 14:27:55,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3224 states. [2020-09-17 14:27:55,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3224 to 2079. [2020-09-17 14:27:55,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2079 states. [2020-09-17 14:27:55,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 2079 states and 4712 transitions. [2020-09-17 14:27:55,997 INFO L78 Accepts]: Start accepts. Automaton has 2079 states and 4712 transitions. Word has length 17 [2020-09-17 14:27:55,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-17 14:27:55,998 INFO L479 AbstractCegarLoop]: Abstraction has 2079 states and 4712 transitions. [2020-09-17 14:27:55,998 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-17 14:27:55,998 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 4712 transitions. [2020-09-17 14:27:55,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-17 14:27:55,999 INFO L414 BasicCegarLoop]: Found error trace [2020-09-17 14:27:55,999 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-17 14:27:55,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-09-17 14:27:56,000 INFO L427 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-17 14:27:56,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-17 14:27:56,000 INFO L82 PathProgramCache]: Analyzing trace with hash -95542282, now seen corresponding path program 12 times [2020-09-17 14:27:56,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-17 14:27:56,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577451774] [2020-09-17 14:27:56,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-17 14:27:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-17 14:27:56,075 ERROR L253 erpolLogProxyWrapper]: Interpolant 13 not inductive [2020-09-17 14:27:56,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-09-17 14:27:56,080 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:874) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-09-17 14:27:56,084 INFO L168 Benchmark]: Toolchain (without parser) took 178413.99 ms. Allocated memory was 140.5 MB in the beginning and 404.2 MB in the end (delta: 263.7 MB). Free memory was 102.0 MB in the beginning and 249.7 MB in the end (delta: -147.7 MB). Peak memory consumption was 116.0 MB. Max. memory is 7.1 GB. [2020-09-17 14:27:56,085 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-17 14:27:56,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1052.64 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 101.4 MB in the beginning and 133.8 MB in the end (delta: -32.5 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB. [2020-09-17 14:27:56,086 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.82 ms. Allocated memory is still 204.5 MB. Free memory was 133.8 MB in the beginning and 129.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-09-17 14:27:56,086 INFO L168 Benchmark]: Boogie Preprocessor took 73.46 ms. Allocated memory is still 204.5 MB. Free memory was 129.8 MB in the beginning and 125.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-09-17 14:27:56,086 INFO L168 Benchmark]: RCFGBuilder took 1204.70 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 125.8 MB in the beginning and 154.2 MB in the end (delta: -28.4 MB). Peak memory consumption was 41.1 MB. Max. memory is 7.1 GB. [2020-09-17 14:27:56,087 INFO L168 Benchmark]: TraceAbstraction took 175969.69 ms. Allocated memory was 237.5 MB in the beginning and 404.2 MB in the end (delta: 166.7 MB). Free memory was 152.8 MB in the beginning and 249.7 MB in the end (delta: -97.0 MB). Peak memory consumption was 69.7 MB. Max. memory is 7.1 GB. [2020-09-17 14:27:56,088 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1052.64 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 101.4 MB in the beginning and 133.8 MB in the end (delta: -32.5 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 101.82 ms. Allocated memory is still 204.5 MB. Free memory was 133.8 MB in the beginning and 129.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.46 ms. Allocated memory is still 204.5 MB. Free memory was 129.8 MB in the beginning and 125.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1204.70 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 125.8 MB in the beginning and 154.2 MB in the end (delta: -28.4 MB). Peak memory consumption was 41.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 175969.69 ms. Allocated memory was 237.5 MB in the beginning and 404.2 MB in the end (delta: 166.7 MB). Free memory was 152.8 MB in the beginning and 249.7 MB in the end (delta: -97.0 MB). Peak memory consumption was 69.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 15.9s, 426 ProgramPointsBefore, 108 ProgramPointsAfterwards, 455 TransitionsBefore, 122 TransitionsAfterwards, 31742 CoEnabledTransitionPairs, 8 FixpointIterations, 119 TrivialSequentialCompositions, 217 ConcurrentSequentialCompositions, 25 TrivialYvCompositions, 63 ConcurrentYvCompositions, 15 ChoiceCompositions, 16803 VarBasedMoverChecksPositive, 237 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 73353 CheckedPairsTotal, 424 TotalNumberOfCompositions - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...