/usr/bin/java -Xmx16000000000 -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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/concurrent/pthreads/distributed_search4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 16:10:31,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 16:10:31,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 16:10:31,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 16:10:31,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 16:10:31,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 16:10:31,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 16:10:31,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 16:10:31,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 16:10:31,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 16:10:31,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 16:10:31,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 16:10:31,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 16:10:31,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 16:10:31,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 16:10:31,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 16:10:31,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 16:10:31,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 16:10:31,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 16:10:31,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 16:10:31,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 16:10:31,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 16:10:31,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 16:10:31,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 16:10:31,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-11 16:10:31,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 16:10:31,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 16:10:31,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 16:10:31,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 16:10:31,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 16:10:31,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 16:10:31,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 16:10:31,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 16:10:31,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 16:10:31,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 16:10:31,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 16:10:31,204 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-11 16:10:31,240 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 16:10:31,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 16:10:31,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 16:10:31,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 16:10:31,243 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 16:10:31,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 16:10:31,243 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 16:10:31,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 16:10:31,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 16:10:31,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 16:10:31,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 16:10:31,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 16:10:31,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 16:10:31,245 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 16:10:31,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 16:10:31,247 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 16:10:31,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 16:10:31,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 16:10:31,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 16:10:31,247 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 16:10:31,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 16:10:31,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 16:10:31,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 16:10:31,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 16:10:31,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 16:10:31,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 16:10:31,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 16:10:31,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-11 16:10:31,249 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-11 16:10:31,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 16:10:31,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 16:10:31,574 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 16:10:31,578 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 16:10:31,579 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 16:10:31,580 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 16:10:31,580 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/distributed_search4.c [2020-10-11 16:10:31,641 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e22f0c93/232ceb151b9e4aa4a9483bfd7cf7179c/FLAGead6d2f23 [2020-10-11 16:10:32,103 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 16:10:32,104 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/distributed_search4.c [2020-10-11 16:10:32,104 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2020-10-11 16:10:32,104 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2020-10-11 16:10:32,147 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e22f0c93/232ceb151b9e4aa4a9483bfd7cf7179c/FLAGead6d2f23 [2020-10-11 16:10:32,443 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e22f0c93/232ceb151b9e4aa4a9483bfd7cf7179c [2020-10-11 16:10:32,453 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 16:10:32,454 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 16:10:32,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 16:10:32,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 16:10:32,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 16:10:32,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:10:32" (1/1) ... [2020-10-11 16:10:32,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@777769ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:10:32, skipping insertion in model container [2020-10-11 16:10:32,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:10:32" (1/1) ... [2020-10-11 16:10:32,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 16:10:32,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 16:10:32,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 16:10:32,786 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 16:10:32,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 16:10:32,836 INFO L208 MainTranslator]: Completed translation [2020-10-11 16:10:32,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:10:32 WrapperNode [2020-10-11 16:10:32,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 16:10:32,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 16:10:32,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 16:10:32,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 16:10:32,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:10:32" (1/1) ... [2020-10-11 16:10:32,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:10:32" (1/1) ... [2020-10-11 16:10:32,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 16:10:32,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 16:10:32,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 16:10:32,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 16:10:32,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:10:32" (1/1) ... [2020-10-11 16:10:32,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:10:32" (1/1) ... [2020-10-11 16:10:32,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:10:32" (1/1) ... [2020-10-11 16:10:32,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:10:32" (1/1) ... [2020-10-11 16:10:32,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:10:32" (1/1) ... [2020-10-11 16:10:32,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:10:32" (1/1) ... [2020-10-11 16:10:32,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:10:32" (1/1) ... [2020-10-11 16:10:32,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 16:10:32,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 16:10:32,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 16:10:32,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 16:10:32,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:10:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 16:10:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 16:10:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure search_worker [2020-10-11 16:10:33,046 INFO L138 BoogieDeclarations]: Found implementation of procedure search_worker [2020-10-11 16:10:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 16:10:33,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 16:10:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-11 16:10:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-11 16:10:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 16:10:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 16:10:33,049 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 16:10:33,587 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 16:10:33,587 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-11 16:10:33,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:10:33 BoogieIcfgContainer [2020-10-11 16:10:33,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 16:10:33,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 16:10:33,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 16:10:33,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 16:10:33,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 04:10:32" (1/3) ... [2020-10-11 16:10:33,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b455d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:10:33, skipping insertion in model container [2020-10-11 16:10:33,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:10:32" (2/3) ... [2020-10-11 16:10:33,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b455d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:10:33, skipping insertion in model container [2020-10-11 16:10:33,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:10:33" (3/3) ... [2020-10-11 16:10:33,598 INFO L111 eAbstractionObserver]: Analyzing ICFG distributed_search4.c [2020-10-11 16:10:33,610 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-11 16:10:33,610 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 16:10:33,618 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-11 16:10:33,619 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 16:10:33,657 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,658 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,658 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,658 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,659 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,659 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,659 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,659 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,659 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,660 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,660 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,660 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,660 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,660 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,661 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,661 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,661 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,661 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,662 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,662 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,662 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,662 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,662 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,663 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,663 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,663 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,663 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,664 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,664 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,664 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,664 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,664 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,665 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,665 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,665 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,665 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,666 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,666 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,666 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,666 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,667 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,667 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,667 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,667 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,667 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,668 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,668 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,668 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,668 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,668 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,669 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,669 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,669 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,669 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,669 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,669 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,670 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,670 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,670 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,670 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,670 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,671 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,671 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,671 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,671 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,671 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,672 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,672 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,672 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,672 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,673 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,673 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,673 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,673 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,673 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,674 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,674 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,674 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,674 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,674 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,675 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,675 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,675 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,675 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,676 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,676 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,676 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,676 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,676 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,676 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,677 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,677 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,677 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,677 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,677 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,678 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,678 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,678 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,678 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,678 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,679 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,679 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,679 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,679 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,680 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,680 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,680 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,680 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,680 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,681 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,681 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,681 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,681 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,681 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,682 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,682 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,682 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,682 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,682 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,683 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,683 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,683 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,683 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,684 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,684 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,684 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,684 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,684 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,684 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,685 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,685 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,685 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,685 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,685 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,685 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,686 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,686 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,686 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,686 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,686 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,686 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,687 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,687 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,687 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,687 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,687 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,688 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,688 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,688 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,688 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,688 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,689 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,689 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,689 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,689 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,689 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,690 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,690 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,690 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,690 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,694 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,694 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,694 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,694 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,695 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,695 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,695 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,695 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,695 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,696 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,696 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,696 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,696 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,704 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,704 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,705 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,705 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,705 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,705 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,705 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,706 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,706 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,706 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,706 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,706 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,707 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,711 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,711 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,711 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,711 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,711 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,712 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,712 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,712 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,712 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,712 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,713 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,713 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,713 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork2_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,716 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,716 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,716 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,716 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,716 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,717 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,717 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,717 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,717 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,717 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,717 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,718 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,718 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork3_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:10:33,755 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-11 16:10:33,773 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 16:10:33,774 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-11 16:10:33,774 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 16:10:33,774 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 16:10:33,774 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 16:10:33,774 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 16:10:33,774 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 16:10:33,774 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 16:10:33,795 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-11 16:10:33,797 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 221 places, 234 transitions, 536 flow [2020-10-11 16:10:33,800 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 221 places, 234 transitions, 536 flow [2020-10-11 16:10:33,802 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 221 places, 234 transitions, 536 flow [2020-10-11 16:10:34,001 INFO L129 PetriNetUnfolder]: 31/268 cut-off events. [2020-10-11 16:10:34,001 INFO L130 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2020-10-11 16:10:34,014 INFO L80 FinitePrefix]: Finished finitePrefix Result has 313 conditions, 268 events. 31/268 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 597 event pairs, 0 based on Foata normal form. 0/253 useless extension candidates. Maximal degree in co-relation 169. Up to 12 conditions per place. [2020-10-11 16:10:34,032 INFO L117 LiptonReduction]: Number of co-enabled transitions 11904 [2020-10-11 16:10:38,525 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-11 16:10:38,640 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-11 16:10:38,844 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2020-10-11 16:10:39,214 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-11 16:10:39,538 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-11 16:10:40,213 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-11 16:10:40,220 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 16:10:40,221 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-11 16:10:40,538 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2020-10-11 16:10:41,468 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 141 [2020-10-11 16:10:41,862 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-11 16:10:41,883 INFO L132 LiptonReduction]: Checked pairs total: 31791 [2020-10-11 16:10:41,884 INFO L134 LiptonReduction]: Total number of compositions: 191 [2020-10-11 16:10:41,890 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 68 transitions, 204 flow [2020-10-11 16:10:42,614 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8302 states. [2020-10-11 16:10:42,616 INFO L276 IsEmpty]: Start isEmpty. Operand 8302 states. [2020-10-11 16:10:42,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-11 16:10:42,689 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 16:10:42,690 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:10:42,691 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-11 16:10:42,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:10:42,697 INFO L82 PathProgramCache]: Analyzing trace with hash -237627757, now seen corresponding path program 1 times [2020-10-11 16:10:42,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:10:42,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814517525] [2020-10-11 16:10:42,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:10:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:10:43,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:10:43,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814517525] [2020-10-11 16:10:43,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:10:43,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-11 16:10:43,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213375539] [2020-10-11 16:10:43,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 16:10:43,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:10:43,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 16:10:43,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 16:10:43,162 INFO L87 Difference]: Start difference. First operand 8302 states. Second operand 3 states. [2020-10-11 16:10:43,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 16:10:43,519 INFO L93 Difference]: Finished difference Result 13055 states and 60574 transitions. [2020-10-11 16:10:43,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 16:10:43,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-10-11 16:10:43,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 16:10:43,705 INFO L225 Difference]: With dead ends: 13055 [2020-10-11 16:10:43,705 INFO L226 Difference]: Without dead ends: 13007 [2020-10-11 16:10:43,707 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 16:10:43,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13007 states. [2020-10-11 16:10:44,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13007 to 10737. [2020-10-11 16:10:44,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10737 states. [2020-10-11 16:10:44,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10737 states to 10737 states and 49949 transitions. [2020-10-11 16:10:44,414 INFO L78 Accepts]: Start accepts. Automaton has 10737 states and 49949 transitions. Word has length 32 [2020-10-11 16:10:44,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 16:10:44,416 INFO L481 AbstractCegarLoop]: Abstraction has 10737 states and 49949 transitions. [2020-10-11 16:10:44,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 16:10:44,416 INFO L276 IsEmpty]: Start isEmpty. Operand 10737 states and 49949 transitions. [2020-10-11 16:10:44,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-11 16:10:44,464 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 16:10:44,464 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:10:44,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 16:10:44,465 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-11 16:10:44,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:10:44,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1632235465, now seen corresponding path program 1 times [2020-10-11 16:10:44,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:10:44,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518296865] [2020-10-11 16:10:44,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:10:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:10:45,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-11 16:10:45,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518296865] [2020-10-11 16:10:45,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:10:45,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-11 16:10:45,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463231964] [2020-10-11 16:10:45,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-11 16:10:45,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:10:45,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-11 16:10:45,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-10-11 16:10:45,182 INFO L87 Difference]: Start difference. First operand 10737 states and 49949 transitions. Second operand 14 states. [2020-10-11 16:10:47,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 16:10:47,133 INFO L93 Difference]: Finished difference Result 11395 states and 51840 transitions. [2020-10-11 16:10:47,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-11 16:10:47,133 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 35 [2020-10-11 16:10:47,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 16:10:47,191 INFO L225 Difference]: With dead ends: 11395 [2020-10-11 16:10:47,191 INFO L226 Difference]: Without dead ends: 11374 [2020-10-11 16:10:47,192 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2020-10-11 16:10:47,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11374 states. [2020-10-11 16:10:47,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11374 to 10884. [2020-10-11 16:10:47,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10884 states. [2020-10-11 16:10:47,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10884 states to 10884 states and 50412 transitions. [2020-10-11 16:10:47,763 INFO L78 Accepts]: Start accepts. Automaton has 10884 states and 50412 transitions. Word has length 35 [2020-10-11 16:10:47,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 16:10:47,763 INFO L481 AbstractCegarLoop]: Abstraction has 10884 states and 50412 transitions. [2020-10-11 16:10:47,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-11 16:10:47,764 INFO L276 IsEmpty]: Start isEmpty. Operand 10884 states and 50412 transitions. [2020-10-11 16:10:47,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-11 16:10:47,824 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 16:10:47,824 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:10:47,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 16:10:47,824 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-11 16:10:47,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:10:47,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1603607275, now seen corresponding path program 1 times [2020-10-11 16:10:47,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:10:47,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001755689] [2020-10-11 16:10:47,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:10:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:10:47,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-11 16:10:47,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001755689] [2020-10-11 16:10:47,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:10:47,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 16:10:47,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492900647] [2020-10-11 16:10:47,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 16:10:47,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:10:47,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 16:10:47,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 16:10:47,893 INFO L87 Difference]: Start difference. First operand 10884 states and 50412 transitions. Second operand 5 states. [2020-10-11 16:10:48,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 16:10:48,144 INFO L93 Difference]: Finished difference Result 10884 states and 50411 transitions. [2020-10-11 16:10:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 16:10:48,145 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-10-11 16:10:48,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 16:10:48,187 INFO L225 Difference]: With dead ends: 10884 [2020-10-11 16:10:48,188 INFO L226 Difference]: Without dead ends: 10704 [2020-10-11 16:10:48,188 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-11 16:10:48,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10704 states. [2020-10-11 16:10:49,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10704 to 10704. [2020-10-11 16:10:49,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10704 states. [2020-10-11 16:10:49,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10704 states to 10704 states and 49805 transitions. [2020-10-11 16:10:49,590 INFO L78 Accepts]: Start accepts. Automaton has 10704 states and 49805 transitions. Word has length 35 [2020-10-11 16:10:49,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 16:10:49,591 INFO L481 AbstractCegarLoop]: Abstraction has 10704 states and 49805 transitions. [2020-10-11 16:10:49,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 16:10:49,591 INFO L276 IsEmpty]: Start isEmpty. Operand 10704 states and 49805 transitions. [2020-10-11 16:10:49,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-11 16:10:49,626 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 16:10:49,626 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:10:49,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 16:10:49,627 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-11 16:10:49,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:10:49,627 INFO L82 PathProgramCache]: Analyzing trace with hash 826648217, now seen corresponding path program 1 times [2020-10-11 16:10:49,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:10:49,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325060932] [2020-10-11 16:10:49,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:10:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:10:50,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-11 16:10:50,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325060932] [2020-10-11 16:10:50,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:10:50,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-11 16:10:50,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579859918] [2020-10-11 16:10:50,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-11 16:10:50,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:10:50,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-11 16:10:50,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-11 16:10:50,032 INFO L87 Difference]: Start difference. First operand 10704 states and 49805 transitions. Second operand 14 states. [2020-10-11 16:10:51,697 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-10-11 16:10:51,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 16:10:51,771 INFO L93 Difference]: Finished difference Result 11126 states and 51047 transitions. [2020-10-11 16:10:51,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-11 16:10:51,772 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 35 [2020-10-11 16:10:51,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 16:10:51,813 INFO L225 Difference]: With dead ends: 11126 [2020-10-11 16:10:51,813 INFO L226 Difference]: Without dead ends: 11105 [2020-10-11 16:10:51,814 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2020-10-11 16:10:51,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11105 states. [2020-10-11 16:10:52,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11105 to 10851. [2020-10-11 16:10:52,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10851 states. [2020-10-11 16:10:52,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10851 states to 10851 states and 50268 transitions. [2020-10-11 16:10:52,136 INFO L78 Accepts]: Start accepts. Automaton has 10851 states and 50268 transitions. Word has length 35 [2020-10-11 16:10:52,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 16:10:52,137 INFO L481 AbstractCegarLoop]: Abstraction has 10851 states and 50268 transitions. [2020-10-11 16:10:52,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-11 16:10:52,137 INFO L276 IsEmpty]: Start isEmpty. Operand 10851 states and 50268 transitions. [2020-10-11 16:10:52,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-11 16:10:52,170 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 16:10:52,170 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:10:52,170 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 16:10:52,171 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-11 16:10:52,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:10:52,171 INFO L82 PathProgramCache]: Analyzing trace with hash 883904597, now seen corresponding path program 1 times [2020-10-11 16:10:52,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:10:52,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625626777] [2020-10-11 16:10:52,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:10:52,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:10:52,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-11 16:10:52,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625626777] [2020-10-11 16:10:52,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:10:52,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 16:10:52,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229453702] [2020-10-11 16:10:52,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 16:10:52,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:10:52,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 16:10:52,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 16:10:52,231 INFO L87 Difference]: Start difference. First operand 10851 states and 50268 transitions. Second operand 5 states. [2020-10-11 16:10:52,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 16:10:52,419 INFO L93 Difference]: Finished difference Result 10851 states and 50267 transitions. [2020-10-11 16:10:52,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 16:10:52,419 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-10-11 16:10:52,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 16:10:52,451 INFO L225 Difference]: With dead ends: 10851 [2020-10-11 16:10:52,451 INFO L226 Difference]: Without dead ends: 9495 [2020-10-11 16:10:52,451 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-11 16:10:52,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9495 states. [2020-10-11 16:10:52,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9495 to 9495. [2020-10-11 16:10:52,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9495 states. [2020-10-11 16:10:52,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9495 states to 9495 states and 44509 transitions. [2020-10-11 16:10:52,959 INFO L78 Accepts]: Start accepts. Automaton has 9495 states and 44509 transitions. Word has length 35 [2020-10-11 16:10:52,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 16:10:52,960 INFO L481 AbstractCegarLoop]: Abstraction has 9495 states and 44509 transitions. [2020-10-11 16:10:52,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 16:10:52,960 INFO L276 IsEmpty]: Start isEmpty. Operand 9495 states and 44509 transitions. [2020-10-11 16:10:52,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-11 16:10:52,985 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 16:10:52,985 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:10:52,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 16:10:52,986 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-11 16:10:52,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:10:52,986 INFO L82 PathProgramCache]: Analyzing trace with hash 304301717, now seen corresponding path program 1 times [2020-10-11 16:10:52,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:10:52,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87530289] [2020-10-11 16:10:52,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:10:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:10:53,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-11 16:10:53,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87530289] [2020-10-11 16:10:53,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:10:53,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-11 16:10:53,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821916607] [2020-10-11 16:10:53,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-11 16:10:53,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:10:53,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-11 16:10:53,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-10-11 16:10:53,350 INFO L87 Difference]: Start difference. First operand 9495 states and 44509 transitions. Second operand 14 states. [2020-10-11 16:10:54,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 16:10:54,724 INFO L93 Difference]: Finished difference Result 9991 states and 45897 transitions. [2020-10-11 16:10:54,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-11 16:10:54,725 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 35 [2020-10-11 16:10:54,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 16:10:54,751 INFO L225 Difference]: With dead ends: 9991 [2020-10-11 16:10:54,751 INFO L226 Difference]: Without dead ends: 9823 [2020-10-11 16:10:54,752 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2020-10-11 16:10:54,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9823 states. [2020-10-11 16:10:55,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9823 to 9348. [2020-10-11 16:10:55,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9348 states. [2020-10-11 16:10:55,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9348 states to 9348 states and 44001 transitions. [2020-10-11 16:10:55,069 INFO L78 Accepts]: Start accepts. Automaton has 9348 states and 44001 transitions. Word has length 35 [2020-10-11 16:10:55,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 16:10:55,070 INFO L481 AbstractCegarLoop]: Abstraction has 9348 states and 44001 transitions. [2020-10-11 16:10:55,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-11 16:10:55,070 INFO L276 IsEmpty]: Start isEmpty. Operand 9348 states and 44001 transitions. [2020-10-11 16:10:55,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-11 16:10:55,093 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 16:10:55,093 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:10:55,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 16:10:55,094 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-11 16:10:55,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:10:55,094 INFO L82 PathProgramCache]: Analyzing trace with hash 927101785, now seen corresponding path program 1 times [2020-10-11 16:10:55,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:10:55,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527907886] [2020-10-11 16:10:55,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:10:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:10:55,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-11 16:10:55,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527907886] [2020-10-11 16:10:55,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:10:55,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-11 16:10:55,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040667448] [2020-10-11 16:10:55,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-11 16:10:55,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:10:55,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-11 16:10:55,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-10-11 16:10:55,643 INFO L87 Difference]: Start difference. First operand 9348 states and 44001 transitions. Second operand 14 states. [2020-10-11 16:10:56,370 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2020-10-11 16:10:57,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 16:10:57,037 INFO L93 Difference]: Finished difference Result 9770 states and 45243 transitions. [2020-10-11 16:10:57,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-11 16:10:57,038 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 35 [2020-10-11 16:10:57,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 16:10:57,062 INFO L225 Difference]: With dead ends: 9770 [2020-10-11 16:10:57,062 INFO L226 Difference]: Without dead ends: 9749 [2020-10-11 16:10:57,063 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2020-10-11 16:10:57,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9749 states. [2020-10-11 16:10:57,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9749 to 9495. [2020-10-11 16:10:57,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9495 states. [2020-10-11 16:10:57,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9495 states to 9495 states and 44464 transitions. [2020-10-11 16:10:57,380 INFO L78 Accepts]: Start accepts. Automaton has 9495 states and 44464 transitions. Word has length 35 [2020-10-11 16:10:57,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 16:10:57,380 INFO L481 AbstractCegarLoop]: Abstraction has 9495 states and 44464 transitions. [2020-10-11 16:10:57,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-11 16:10:57,381 INFO L276 IsEmpty]: Start isEmpty. Operand 9495 states and 44464 transitions. [2020-10-11 16:10:57,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-11 16:10:57,416 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 16:10:57,417 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:10:57,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-11 16:10:57,417 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-11 16:10:57,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:10:57,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1012986355, now seen corresponding path program 1 times [2020-10-11 16:10:57,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:10:57,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270770972] [2020-10-11 16:10:57,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:10:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:10:57,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-11 16:10:57,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270770972] [2020-10-11 16:10:57,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:10:57,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 16:10:57,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450799759] [2020-10-11 16:10:57,538 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 16:10:57,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:10:57,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 16:10:57,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 16:10:57,539 INFO L87 Difference]: Start difference. First operand 9495 states and 44464 transitions. Second operand 5 states. [2020-10-11 16:10:57,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 16:10:57,865 INFO L93 Difference]: Finished difference Result 9495 states and 44463 transitions. [2020-10-11 16:10:57,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 16:10:57,866 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-10-11 16:10:57,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 16:10:57,884 INFO L225 Difference]: With dead ends: 9495 [2020-10-11 16:10:57,885 INFO L226 Difference]: Without dead ends: 6519 [2020-10-11 16:10:57,885 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-11 16:10:57,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6519 states. [2020-10-11 16:10:58,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6519 to 6519. [2020-10-11 16:10:58,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6519 states. [2020-10-11 16:10:58,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6519 states to 6519 states and 31633 transitions. [2020-10-11 16:10:58,085 INFO L78 Accepts]: Start accepts. Automaton has 6519 states and 31633 transitions. Word has length 35 [2020-10-11 16:10:58,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 16:10:58,085 INFO L481 AbstractCegarLoop]: Abstraction has 6519 states and 31633 transitions. [2020-10-11 16:10:58,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 16:10:58,085 INFO L276 IsEmpty]: Start isEmpty. Operand 6519 states and 31633 transitions. [2020-10-11 16:10:58,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-11 16:10:58,102 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 16:10:58,102 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:10:58,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-11 16:10:58,103 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-11 16:10:58,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:10:58,103 INFO L82 PathProgramCache]: Analyzing trace with hash 404755285, now seen corresponding path program 1 times [2020-10-11 16:10:58,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:10:58,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639825622] [2020-10-11 16:10:58,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:10:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:10:58,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-11 16:10:58,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639825622] [2020-10-11 16:10:58,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:10:58,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-11 16:10:58,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636517536] [2020-10-11 16:10:58,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-11 16:10:58,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:10:58,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-11 16:10:58,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-11 16:10:58,312 INFO L87 Difference]: Start difference. First operand 6519 states and 31633 transitions. Second operand 11 states. [2020-10-11 16:10:59,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 16:10:59,040 INFO L93 Difference]: Finished difference Result 6540 states and 31674 transitions. [2020-10-11 16:10:59,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-11 16:10:59,041 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 35 [2020-10-11 16:10:59,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 16:10:59,060 INFO L225 Difference]: With dead ends: 6540 [2020-10-11 16:10:59,060 INFO L226 Difference]: Without dead ends: 6372 [2020-10-11 16:10:59,060 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-10-11 16:10:59,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6372 states. [2020-10-11 16:10:59,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6372 to 6372. [2020-10-11 16:10:59,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6372 states. [2020-10-11 16:10:59,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6372 states to 6372 states and 31125 transitions. [2020-10-11 16:10:59,203 INFO L78 Accepts]: Start accepts. Automaton has 6372 states and 31125 transitions. Word has length 35 [2020-10-11 16:10:59,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 16:10:59,204 INFO L481 AbstractCegarLoop]: Abstraction has 6372 states and 31125 transitions. [2020-10-11 16:10:59,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-11 16:10:59,204 INFO L276 IsEmpty]: Start isEmpty. Operand 6372 states and 31125 transitions. [2020-10-11 16:10:59,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-11 16:10:59,216 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 16:10:59,217 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:10:59,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-11 16:10:59,217 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-11 16:10:59,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:10:59,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1431328329, now seen corresponding path program 1 times [2020-10-11 16:10:59,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:10:59,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942185512] [2020-10-11 16:10:59,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:10:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:10:59,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:10:59,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942185512] [2020-10-11 16:10:59,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131280636] [2020-10-11 16:10:59,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-11 16:10:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:10:59,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 29 conjunts are in the unsatisfiable core [2020-10-11 16:10:59,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-11 16:10:59,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:10:59,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-11 16:10:59,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2020-10-11 16:10:59,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230502309] [2020-10-11 16:10:59,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-11 16:10:59,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:10:59,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-11 16:10:59,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-11 16:10:59,535 INFO L87 Difference]: Start difference. First operand 6372 states and 31125 transitions. Second operand 8 states. [2020-10-11 16:10:59,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 16:10:59,939 INFO L93 Difference]: Finished difference Result 9770 states and 48156 transitions. [2020-10-11 16:10:59,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 16:10:59,940 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-10-11 16:10:59,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 16:10:59,966 INFO L225 Difference]: With dead ends: 9770 [2020-10-11 16:10:59,967 INFO L226 Difference]: Without dead ends: 9678 [2020-10-11 16:10:59,967 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-11 16:11:00,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9678 states. [2020-10-11 16:11:00,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9678 to 6294. [2020-10-11 16:11:00,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6294 states. [2020-10-11 16:11:00,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6294 states to 6294 states and 30791 transitions. [2020-10-11 16:11:00,143 INFO L78 Accepts]: Start accepts. Automaton has 6294 states and 30791 transitions. Word has length 35 [2020-10-11 16:11:00,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 16:11:00,143 INFO L481 AbstractCegarLoop]: Abstraction has 6294 states and 30791 transitions. [2020-10-11 16:11:00,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-11 16:11:00,143 INFO L276 IsEmpty]: Start isEmpty. Operand 6294 states and 30791 transitions. [2020-10-11 16:11:00,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-11 16:11:00,156 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 16:11:00,156 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:11:00,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-11 16:11:00,357 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-11 16:11:00,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:11:00,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1039740004, now seen corresponding path program 1 times [2020-10-11 16:11:00,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:11:00,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196071053] [2020-10-11 16:11:00,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:11:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:11:01,024 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2020-10-11 16:11:01,224 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 58 [2020-10-11 16:11:01,357 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2020-10-11 16:11:01,483 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2020-10-11 16:11:02,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:11:02,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196071053] [2020-10-11 16:11:02,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386084594] [2020-10-11 16:11:02,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-11 16:11:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:11:02,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 31 conjunts are in the unsatisfiable core [2020-10-11 16:11:02,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-11 16:11:02,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:11:02,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-11 16:11:02,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 3] total 18 [2020-10-11 16:11:02,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789413457] [2020-10-11 16:11:02,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-11 16:11:02,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:11:02,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-11 16:11:02,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2020-10-11 16:11:02,434 INFO L87 Difference]: Start difference. First operand 6294 states and 30791 transitions. Second operand 20 states. [2020-10-11 16:11:03,119 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2020-10-11 16:11:03,744 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 116 [2020-10-11 16:11:04,537 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 136 [2020-10-11 16:11:05,380 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 131 [2020-10-11 16:11:06,370 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 137 [2020-10-11 16:11:07,014 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-10-11 16:11:07,954 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 142 [2020-10-11 16:11:08,741 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 151 [2020-10-11 16:11:09,375 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 122 [2020-10-11 16:11:10,518 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 156 [2020-10-11 16:11:11,227 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 136 [2020-10-11 16:11:12,113 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 157 [2020-10-11 16:11:12,741 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-10-11 16:11:13,962 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 162 [2020-10-11 16:11:14,755 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 137 [2020-10-11 16:11:15,523 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 133 [2020-10-11 16:11:16,375 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 122 [2020-10-11 16:11:17,587 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 138 [2020-10-11 16:11:18,510 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 143 [2020-10-11 16:11:19,264 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-10-11 16:11:20,746 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 147 [2020-10-11 16:11:21,685 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 157 [2020-10-11 16:11:22,376 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 127 [2020-10-11 16:11:24,088 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 161 [2020-10-11 16:11:24,898 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 141 [2020-10-11 16:11:25,951 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 163 [2020-10-11 16:11:27,877 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 167 [2020-10-11 16:11:28,784 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 139 [2020-10-11 16:11:30,511 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 143 [2020-10-11 16:11:33,700 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 137 [2020-10-11 16:11:34,596 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 142 [2020-10-11 16:11:35,604 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 149 [2020-10-11 16:11:36,777 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 155 [2020-10-11 16:11:37,737 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 143 [2020-10-11 16:11:38,813 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 159 [2020-10-11 16:11:39,785 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 152 [2020-10-11 16:11:40,825 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 147 [2020-10-11 16:11:41,833 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 153 [2020-10-11 16:11:42,764 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 146 [2020-10-11 16:11:43,728 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 150 [2020-10-11 16:11:44,668 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 140 [2020-10-11 16:11:44,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 16:11:44,793 INFO L93 Difference]: Finished difference Result 24558 states and 123527 transitions. [2020-10-11 16:11:44,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-11 16:11:44,794 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 36 [2020-10-11 16:11:44,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 16:11:44,871 INFO L225 Difference]: With dead ends: 24558 [2020-10-11 16:11:44,872 INFO L226 Difference]: Without dead ends: 23394 [2020-10-11 16:11:44,873 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 591 ImplicationChecksByTransitivity, 33.5s TimeCoverageRelationStatistics Valid=939, Invalid=2967, Unknown=0, NotChecked=0, Total=3906 [2020-10-11 16:11:44,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23394 states. [2020-10-11 16:11:45,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23394 to 7366. [2020-10-11 16:11:45,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7366 states. [2020-10-11 16:11:45,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7366 states to 7366 states and 36015 transitions. [2020-10-11 16:11:45,130 INFO L78 Accepts]: Start accepts. Automaton has 7366 states and 36015 transitions. Word has length 36 [2020-10-11 16:11:45,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 16:11:45,130 INFO L481 AbstractCegarLoop]: Abstraction has 7366 states and 36015 transitions. [2020-10-11 16:11:45,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-11 16:11:45,130 INFO L276 IsEmpty]: Start isEmpty. Operand 7366 states and 36015 transitions. [2020-10-11 16:11:45,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-11 16:11:45,147 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 16:11:45,147 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:11:45,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-11 16:11:45,361 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-10-11 16:11:45,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:11:45,362 INFO L82 PathProgramCache]: Analyzing trace with hash 2123247270, now seen corresponding path program 1 times [2020-10-11 16:11:45,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:11:45,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124068421] [2020-10-11 16:11:45,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:11:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:11:45,903 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 77 [2020-10-11 16:11:46,155 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 73 [2020-10-11 16:11:46,383 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2020-10-11 16:11:46,790 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2020-10-11 16:11:47,034 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2020-10-11 16:11:47,276 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2020-10-11 16:11:47,519 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2020-10-11 16:11:47,763 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2020-10-11 16:11:48,018 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2020-10-11 16:11:48,291 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 64 [2020-10-11 16:11:48,560 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 65 [2020-10-11 16:11:48,853 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 60 [2020-10-11 16:11:49,109 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 49 [2020-10-11 16:11:49,326 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 44 [2020-10-11 16:11:49,550 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 44 [2020-10-11 16:11:49,767 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 46 [2020-10-11 16:11:49,944 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 40 [2020-10-11 16:11:50,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:11:50,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124068421] [2020-10-11 16:11:50,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437332887] [2020-10-11 16:11:50,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-11 16:11:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:11:50,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 29 conjunts are in the unsatisfiable core [2020-10-11 16:11:50,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-11 16:11:51,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:11:51,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-11 16:11:51,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 3] total 25 [2020-10-11 16:11:51,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072351689] [2020-10-11 16:11:51,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-11 16:11:51,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:11:51,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-11 16:11:51,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2020-10-11 16:11:51,050 INFO L87 Difference]: Start difference. First operand 7366 states and 36015 transitions. Second operand 27 states. [2020-10-11 16:11:51,382 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2020-10-11 16:11:51,789 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 84 [2020-10-11 16:11:52,401 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 118 [2020-10-11 16:11:53,529 WARN L193 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 166 [2020-10-11 16:11:54,911 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 195 DAG size of output: 179 [2020-10-11 16:11:56,363 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 205 DAG size of output: 187 [2020-10-11 16:11:58,122 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 216 DAG size of output: 196 [2020-10-11 16:12:00,069 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 187 DAG size of output: 172 [2020-10-11 16:12:01,661 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 234 DAG size of output: 199 [2020-10-11 16:12:02,136 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2020-10-11 16:12:03,754 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 201 DAG size of output: 185 [2020-10-11 16:12:05,210 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 198 DAG size of output: 182 [2020-10-11 16:12:06,536 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 192 DAG size of output: 176 [2020-10-11 16:12:07,452 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 124 [2020-10-11 16:12:09,247 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 252 DAG size of output: 215 [2020-10-11 16:12:09,897 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 109 [2020-10-11 16:12:11,865 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 206 DAG size of output: 188 [2020-10-11 16:12:13,371 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 211 DAG size of output: 193 [2020-10-11 16:12:15,119 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 212 DAG size of output: 194 [2020-10-11 16:12:16,774 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 198 DAG size of output: 182 [2020-10-11 16:12:17,785 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 140 [2020-10-11 16:12:19,954 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 265 DAG size of output: 226 [2020-10-11 16:12:20,725 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2020-10-11 16:12:22,446 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 216 DAG size of output: 185 [2020-10-11 16:12:23,920 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 210 DAG size of output: 179 [2020-10-11 16:12:25,774 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2020-10-11 16:12:27,865 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 212 DAG size of output: 194 [2020-10-11 16:12:29,978 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2020-10-11 16:12:31,227 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 169 DAG size of output: 151 [2020-10-11 16:12:32,522 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 135 [2020-10-11 16:12:35,000 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 270 DAG size of output: 228 [2020-10-11 16:12:37,309 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 247 DAG size of output: 210 [2020-10-11 16:12:39,121 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 224 DAG size of output: 191 [2020-10-11 16:12:41,502 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 230 DAG size of output: 197 [2020-10-11 16:12:42,210 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2020-10-11 16:12:44,143 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 216 DAG size of output: 185 [2020-10-11 16:12:45,140 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 114 [2020-10-11 16:12:47,179 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 228 DAG size of output: 195 [2020-10-11 16:12:50,008 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 227 DAG size of output: 207 [2020-10-11 16:12:51,867 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 202 DAG size of output: 177 [2020-10-11 16:12:53,366 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 166 DAG size of output: 148 [2020-10-11 16:12:55,126 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 184 DAG size of output: 161 [2020-10-11 16:12:58,107 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 281 DAG size of output: 233 [2020-10-11 16:12:59,526 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 156 DAG size of output: 137 [2020-10-11 16:13:02,223 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 240 DAG size of output: 205 [2020-10-11 16:13:04,801 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 242 DAG size of output: 207 [2020-10-11 16:13:05,961 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 133 [2020-10-11 16:13:06,673 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 105 [2020-10-11 16:13:09,478 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 230 DAG size of output: 197 [2020-10-11 16:13:10,143 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2020-10-11 16:13:12,991 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 229 DAG size of output: 196 [2020-10-11 16:13:15,774 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 240 DAG size of output: 205 [2020-10-11 16:13:17,096 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 145 DAG size of output: 130 [2020-10-11 16:13:19,670 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 241 DAG size of output: 206 [2020-10-11 16:13:22,634 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 223 DAG size of output: 190 [2020-10-11 16:13:25,066 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 213 DAG size of output: 182 [2020-10-11 16:13:27,143 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 197 DAG size of output: 175 [2020-10-11 16:13:29,209 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 184 DAG size of output: 164 [2020-10-11 16:13:31,558 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 179 DAG size of output: 159 [2020-10-11 16:13:33,467 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 195 DAG size of output: 166 [2020-10-11 16:13:35,355 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 167 DAG size of output: 142 [2020-10-11 16:13:37,286 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 172 DAG size of output: 154 [2020-10-11 16:13:40,687 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 252 DAG size of output: 215 [2020-10-11 16:13:42,131 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 144 DAG size of output: 130 [2020-10-11 16:13:45,698 WARN L193 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 255 DAG size of output: 218 [2020-10-11 16:13:47,271 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 154 DAG size of output: 139 [2020-10-11 16:13:48,419 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 115 [2020-10-11 16:13:52,457 WARN L193 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 243 DAG size of output: 208 [2020-10-11 16:13:55,386 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 140 DAG size of output: 125 [2020-10-11 16:13:58,759 WARN L193 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 245 DAG size of output: 210 [2020-10-11 16:14:00,929 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 158 DAG size of output: 141 [2020-10-11 16:14:04,632 WARN L193 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 237 DAG size of output: 202 [2020-10-11 16:14:09,991 WARN L193 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 279 DAG size of output: 237 [2020-10-11 16:14:12,631 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 184 DAG size of output: 164 [2020-10-11 16:14:16,336 WARN L193 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 253 DAG size of output: 216 [2020-10-11 16:14:18,282 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 156 DAG size of output: 140 [2020-10-11 16:14:19,650 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 138 DAG size of output: 125 [2020-10-11 16:14:21,950 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 156 DAG size of output: 140 [2020-10-11 16:14:26,271 WARN L193 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 260 DAG size of output: 220 [2020-10-11 16:14:27,815 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 126 DAG size of output: 115 [2020-10-11 16:14:29,946 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 80 [2020-10-11 16:14:35,375 WARN L193 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 257 DAG size of output: 220 [2020-10-11 16:14:39,275 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 211 DAG size of output: 186 [2020-10-11 16:14:42,802 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 193 DAG size of output: 170 [2020-10-11 16:14:47,876 WARN L193 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 288 DAG size of output: 239 [2020-10-11 16:14:50,186 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 165 DAG size of output: 146 [2020-10-11 16:14:53,036 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 185 DAG size of output: 165 [2020-10-11 16:14:57,704 WARN L193 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 258 DAG size of output: 218 [2020-10-11 16:14:59,921 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 157 DAG size of output: 141 [2020-10-11 16:15:02,929 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 174 DAG size of output: 156 [2020-10-11 16:15:06,033 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 192 DAG size of output: 169 [2020-10-11 16:15:08,376 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 174 DAG size of output: 153 [2020-10-11 16:15:12,944 WARN L193 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 271 DAG size of output: 225 [2020-10-11 16:15:15,116 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 145 DAG size of output: 127 [2020-10-11 16:15:16,428 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 105 [2020-10-11 16:15:18,330 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 154 DAG size of output: 139 [2020-10-11 16:15:20,107 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 144 DAG size of output: 131 [2020-10-11 16:15:27,275 WARN L193 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 228 DAG size of output: 195 [2020-10-11 16:15:28,864 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 133 DAG size of output: 120 [2020-10-11 16:15:32,863 WARN L193 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 217 DAG size of output: 199 [2020-10-11 16:15:37,435 WARN L193 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 252 DAG size of output: 212 [2020-10-11 16:15:40,669 WARN L193 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 220 DAG size of output: 188 [2020-10-11 16:15:44,092 WARN L193 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 222 DAG size of output: 193 [2020-10-11 16:15:47,700 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 202 DAG size of output: 172 [2020-10-11 16:15:50,715 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 204 DAG size of output: 177 [2020-10-11 16:15:56,379 WARN L193 SmtUtils]: Spent 4.79 s on a formula simplification. DAG size of input: 292 DAG size of output: 243 [2020-10-11 16:15:59,802 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 176 DAG size of output: 153 [2020-10-11 16:16:02,831 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 190 DAG size of output: 167 [2020-10-11 16:16:08,353 WARN L193 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 268 DAG size of output: 222 [2020-10-11 16:16:12,083 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 187 DAG size of output: 167 [2020-10-11 16:16:14,864 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 169 DAG size of output: 151 [2020-10-11 16:16:18,572 WARN L193 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 203 DAG size of output: 174 [2020-10-11 16:16:21,505 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 185 DAG size of output: 158 [2020-10-11 16:16:23,821 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 156 DAG size of output: 132 [2020-10-11 16:16:26,408 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 162 DAG size of output: 146 [2020-10-11 16:16:31,227 WARN L193 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 242 DAG size of output: 207 [2020-10-11 16:16:32,439 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 105 [2020-10-11 16:16:34,634 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 144 DAG size of output: 131 [2020-10-11 16:16:36,832 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 159 DAG size of output: 144 [2020-10-11 16:16:41,263 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 145 DAG size of output: 130 [2020-10-11 16:16:46,822 WARN L193 SmtUtils]: Spent 4.74 s on a formula simplification. DAG size of input: 263 DAG size of output: 217 [2020-10-11 16:16:50,768 WARN L193 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 224 DAG size of output: 192 [2020-10-11 16:16:55,796 WARN L193 SmtUtils]: Spent 4.67 s on a formula simplification. DAG size of input: 261 DAG size of output: 213 [2020-10-11 16:16:59,764 WARN L193 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 231 DAG size of output: 196 [2020-10-11 16:17:04,035 WARN L193 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 206 DAG size of output: 176 [2020-10-11 16:17:08,918 WARN L193 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 243 DAG size of output: 197 [2020-10-11 16:17:12,625 WARN L193 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 213 DAG size of output: 180 [2020-10-11 16:17:17,069 WARN L193 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 200 DAG size of output: 171 [2020-10-11 16:17:24,077 WARN L193 SmtUtils]: Spent 4.78 s on a formula simplification. DAG size of input: 269 DAG size of output: 229 [2020-10-11 16:17:27,322 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 174 DAG size of output: 156 [2020-10-11 16:17:31,914 WARN L193 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 235 DAG size of output: 202 [2020-10-11 16:17:36,466 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 146 DAG size of output: 131 [2020-10-11 16:17:40,809 WARN L193 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 235 DAG size of output: 200 [2020-10-11 16:17:48,861 WARN L193 SmtUtils]: Spent 7.55 s on a formula simplification. DAG size of input: 272 DAG size of output: 219 [2020-10-11 16:17:53,869 WARN L193 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 217 DAG size of output: 184 [2020-10-11 16:17:59,349 WARN L193 SmtUtils]: Spent 5.04 s on a formula simplification. DAG size of input: 254 DAG size of output: 205 [2020-10-11 16:18:06,014 WARN L193 SmtUtils]: Spent 5.05 s on a formula simplification. DAG size of input: 261 DAG size of output: 221 [2020-10-11 16:18:11,460 WARN L193 SmtUtils]: Spent 4.48 s on a formula simplification. DAG size of input: 242 DAG size of output: 204 [2020-10-11 16:18:15,608 WARN L193 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 201 DAG size of output: 178 [2020-10-11 16:18:18,957 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 183 DAG size of output: 162 [2020-10-11 16:18:24,965 WARN L193 SmtUtils]: Spent 5.22 s on a formula simplification. DAG size of input: 267 DAG size of output: 223 [2020-10-11 16:18:27,522 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 154 DAG size of output: 136 [2020-10-11 16:18:30,731 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 175 DAG size of output: 157 [2020-10-11 16:18:33,010 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 149 DAG size of output: 136 [2020-10-11 16:18:38,345 WARN L193 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 247 DAG size of output: 212 [2020-10-11 16:18:46,208 WARN L193 SmtUtils]: Spent 5.11 s on a formula simplification. DAG size of input: 265 DAG size of output: 217 [2020-10-11 16:18:52,842 WARN L193 SmtUtils]: Spent 4.92 s on a formula simplification. DAG size of input: 247 DAG size of output: 201 [2020-10-11 16:19:00,112 WARN L193 SmtUtils]: Spent 5.78 s on a formula simplification. DAG size of input: 270 DAG size of output: 223 [2020-10-11 16:19:06,362 WARN L193 SmtUtils]: Spent 5.09 s on a formula simplification. DAG size of input: 253 DAG size of output: 209 [2020-10-11 16:19:11,122 WARN L193 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 212 DAG size of output: 185 [2020-10-11 16:19:15,011 WARN L193 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 199 DAG size of output: 172 [2020-10-11 16:19:18,972 WARN L193 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 194 DAG size of output: 169 [2020-10-11 16:19:22,590 WARN L193 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 181 DAG size of output: 156 [2020-10-11 16:19:28,963 WARN L193 SmtUtils]: Spent 5.74 s on a formula simplification. DAG size of input: 284 DAG size of output: 237 [2020-10-11 16:19:34,880 WARN L193 SmtUtils]: Spent 5.41 s on a formula simplification. DAG size of input: 277 DAG size of output: 231 [2020-10-11 16:19:37,892 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 165 DAG size of output: 144 [2020-10-11 16:19:48,690 WARN L193 SmtUtils]: Spent 7.95 s on a formula simplification. DAG size of input: 276 DAG size of output: 223 [2020-10-11 16:19:54,036 WARN L193 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 227 DAG size of output: 199 [2020-10-11 16:20:00,056 WARN L193 SmtUtils]: Spent 5.25 s on a formula simplification. DAG size of input: 258 DAG size of output: 209 [2020-10-11 16:20:04,346 WARN L193 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 209 DAG size of output: 183 [2020-10-11 16:20:08,018 WARN L193 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 181 DAG size of output: 159 [2020-10-11 16:20:14,867 WARN L193 SmtUtils]: Spent 5.65 s on a formula simplification. DAG size of input: 274 DAG size of output: 227 [2020-10-11 16:20:21,285 WARN L193 SmtUtils]: Spent 4.95 s on a formula simplification. DAG size of input: 248 DAG size of output: 210 [2020-10-11 16:20:27,643 WARN L193 SmtUtils]: Spent 5.17 s on a formula simplification. DAG size of input: 257 DAG size of output: 211 [2020-10-11 16:20:31,694 WARN L193 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 209 DAG size of output: 180 [2020-10-11 16:20:37,107 WARN L193 SmtUtils]: Spent 4.81 s on a formula simplification. DAG size of input: 240 DAG size of output: 197 [2020-10-11 16:20:42,670 WARN L193 SmtUtils]: Spent 4.90 s on a formula simplification. DAG size of input: 239 DAG size of output: 195 [2020-10-11 16:20:46,583 WARN L193 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 191 DAG size of output: 164 [2020-10-11 16:20:51,734 WARN L193 SmtUtils]: Spent 4.47 s on a formula simplification. DAG size of input: 222 DAG size of output: 181 [2020-10-11 16:20:58,564 WARN L193 SmtUtils]: Spent 4.99 s on a formula simplification. DAG size of input: 252 DAG size of output: 211 [2020-10-11 16:21:04,059 WARN L193 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 236 DAG size of output: 201 [2020-10-11 16:21:10,014 WARN L193 SmtUtils]: Spent 4.96 s on a formula simplification. DAG size of input: 234 DAG size of output: 195 [2020-10-11 16:21:14,837 WARN L193 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 218 DAG size of output: 185 [2020-10-11 16:21:21,785 WARN L193 SmtUtils]: Spent 5.64 s on a formula simplification. DAG size of input: 259 DAG size of output: 215 [2020-10-11 16:21:27,679 WARN L193 SmtUtils]: Spent 5.04 s on a formula simplification. DAG size of input: 251 DAG size of output: 213 [2020-10-11 16:21:31,937 WARN L193 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 180 DAG size of output: 159 [2020-10-11 16:21:37,903 WARN L193 SmtUtils]: Spent 5.08 s on a formula simplification. DAG size of input: 258 DAG size of output: 214 [2020-10-11 16:21:45,823 WARN L193 SmtUtils]: Spent 6.84 s on a formula simplification. DAG size of input: 268 DAG size of output: 219 [2020-10-11 16:21:51,733 WARN L193 SmtUtils]: Spent 5.34 s on a formula simplification. DAG size of input: 250 DAG size of output: 205 [2020-10-11 16:21:57,755 WARN L193 SmtUtils]: Spent 5.42 s on a formula simplification. DAG size of input: 250 DAG size of output: 203 [2020-10-11 16:22:03,567 WARN L193 SmtUtils]: Spent 5.03 s on a formula simplification. DAG size of input: 232 DAG size of output: 189 [2020-10-11 16:22:11,183 WARN L193 SmtUtils]: Spent 6.90 s on a formula simplification. DAG size of input: 288 DAG size of output: 239 [2020-10-11 16:22:16,776 WARN L193 SmtUtils]: Spent 4.41 s on a formula simplification. DAG size of input: 230 DAG size of output: 202 [2020-10-11 16:22:22,126 WARN L193 SmtUtils]: Spent 4.52 s on a formula simplification. DAG size of input: 240 DAG size of output: 204 [2020-10-11 16:22:28,467 WARN L193 SmtUtils]: Spent 5.93 s on a formula simplification. DAG size of input: 263 DAG size of output: 218 [2020-10-11 16:22:36,236 WARN L193 SmtUtils]: Spent 6.55 s on a formula simplification. DAG size of input: 277 DAG size of output: 225 [2020-10-11 16:22:41,662 WARN L193 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 212 DAG size of output: 186 [2020-10-11 16:22:46,498 WARN L193 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 222 DAG size of output: 189 [2020-10-11 16:22:52,609 WARN L193 SmtUtils]: Spent 5.60 s on a formula simplification. DAG size of input: 245 DAG size of output: 202 [2020-10-11 16:22:59,324 WARN L193 SmtUtils]: Spent 5.92 s on a formula simplification. DAG size of input: 259 DAG size of output: 210 [2020-10-11 16:23:03,504 WARN L193 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 184 DAG size of output: 162 [2020-10-11 16:23:10,858 WARN L193 SmtUtils]: Spent 6.49 s on a formula simplification. DAG size of input: 266 DAG size of output: 221 [2020-10-11 16:23:17,800 WARN L193 SmtUtils]: Spent 5.57 s on a formula simplification. DAG size of input: 249 DAG size of output: 207 [2020-10-11 16:23:22,237 WARN L193 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 190 DAG size of output: 163 [2020-10-11 16:23:28,995 WARN L193 SmtUtils]: Spent 5.74 s on a formula simplification. DAG size of input: 261 DAG size of output: 213 [2020-10-11 16:23:35,379 WARN L193 SmtUtils]: Spent 5.58 s on a formula simplification. DAG size of input: 254 DAG size of output: 207 [2020-10-11 16:23:41,370 WARN L193 SmtUtils]: Spent 5.17 s on a formula simplification. DAG size of input: 244 DAG size of output: 199 [2020-10-11 16:23:47,454 WARN L193 SmtUtils]: Spent 5.54 s on a formula simplification. DAG size of input: 243 DAG size of output: 197 [2020-10-11 16:23:53,515 WARN L193 SmtUtils]: Spent 5.30 s on a formula simplification. DAG size of input: 236 DAG size of output: 191 [2020-10-11 16:23:59,478 WARN L193 SmtUtils]: Spent 5.07 s on a formula simplification. DAG size of input: 226 DAG size of output: 183 [2020-10-11 16:24:05,457 WARN L193 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 226 DAG size of output: 199 [2020-10-11 16:24:12,068 WARN L193 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 208 DAG size of output: 183 [2020-10-11 16:24:16,382 WARN L193 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 180 DAG size of output: 159 [2020-10-11 16:24:27,928 WARN L193 SmtUtils]: Spent 9.77 s on a formula simplification. DAG size of input: 272 DAG size of output: 219 [2020-10-11 16:24:34,945 WARN L193 SmtUtils]: Spent 6.06 s on a formula simplification. DAG size of input: 254 DAG size of output: 205 [2020-10-11 16:24:41,582 WARN L193 SmtUtils]: Spent 5.06 s on a formula simplification. DAG size of input: 230 DAG size of output: 202 Received shutdown request... [2020-10-11 16:24:42,958 WARN L210 SmtUtils]: Removed 2 from assertion stack [2020-10-11 16:24:42,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2020-10-11 16:24:43,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-11 16:24:43,160 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-11 16:24:43,164 WARN L235 ceAbstractionStarter]: Timeout [2020-10-11 16:24:43,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 04:24:43 BasicIcfg [2020-10-11 16:24:43,164 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 16:24:43,165 INFO L168 Benchmark]: Toolchain (without parser) took 850712.08 ms. Allocated memory was 246.9 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 202.9 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 365.9 MB. Max. memory is 14.2 GB. [2020-10-11 16:24:43,166 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 246.9 MB. Free memory is still 223.3 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 16:24:43,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.36 ms. Allocated memory was 246.9 MB in the beginning and 302.0 MB in the end (delta: 55.1 MB). Free memory was 202.9 MB in the beginning and 273.0 MB in the end (delta: -70.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 14.2 GB. [2020-10-11 16:24:43,166 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.62 ms. Allocated memory is still 302.0 MB. Free memory was 273.0 MB in the beginning and 270.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 16:24:43,167 INFO L168 Benchmark]: Boogie Preprocessor took 56.87 ms. Allocated memory is still 302.0 MB. Free memory is still 270.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 16:24:43,167 INFO L168 Benchmark]: RCFGBuilder took 613.46 ms. Allocated memory is still 302.0 MB. Free memory was 270.5 MB in the beginning and 238.5 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 14.2 GB. [2020-10-11 16:24:43,167 INFO L168 Benchmark]: TraceAbstraction took 849574.20 ms. Allocated memory was 302.0 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 238.5 MB in the beginning and 1.7 GB in the end (delta: -1.4 GB). Peak memory consumption was 346.5 MB. Max. memory is 14.2 GB. [2020-10-11 16:24:43,169 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 246.9 MB. Free memory is still 223.3 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 381.36 ms. Allocated memory was 246.9 MB in the beginning and 302.0 MB in the end (delta: 55.1 MB). Free memory was 202.9 MB in the beginning and 273.0 MB in the end (delta: -70.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 80.62 ms. Allocated memory is still 302.0 MB. Free memory was 273.0 MB in the beginning and 270.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 56.87 ms. Allocated memory is still 302.0 MB. Free memory is still 270.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 613.46 ms. Allocated memory is still 302.0 MB. Free memory was 270.5 MB in the beginning and 238.5 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 14.2 GB. * TraceAbstraction took 849574.20 ms. Allocated memory was 302.0 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 238.5 MB in the beginning and 1.7 GB in the end (delta: -1.4 GB). Peak memory consumption was 346.5 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 8397 VarBasedMoverChecksPositive, 114 VarBasedMoverChecksNegative, 29 SemBasedMoverChecksPositive, 85 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 986 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 8.0s, 221 PlacesBefore, 61 PlacesAfterwards, 234 TransitionsBefore, 68 TransitionsAfterwards, 11904 CoEnabledTransitionPairs, 6 FixpointIterations, 86 TrivialSequentialCompositions, 70 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 21 ConcurrentYvCompositions, 6 ChoiceCompositions, 191 TotalNumberOfCompositions, 31791 MoverChecksTotal - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 75). Cancelled while BasicCegarLoop was constructing difference of abstraction (7366states) and FLOYD_HOARE automaton (currently 208 states, 27 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 280 for 222ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 143 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 849.3s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 823.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.8s, HoareTripleCheckerStatistics: 1308 SDtfs, 5615 SDslu, 6816 SDs, 0 SdLazy, 20078 SolverSat, 545 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 65.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 531 GetRequests, 107 SyntacticMatches, 2 SemanticMatches, 421 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21187 ImplicationChecksByTransitivity, 733.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10884occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 23155 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 526 NumberOfCodeBlocks, 526 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 511 ConstructedInterpolants, 0 QuantifiedInterpolants, 397523 SizeOfPredicates, 28 NumberOfNonLiveVariables, 764 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 8/14 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown