/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread/queue_ok_longer.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 16:16:20,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 16:16:20,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 16:16:20,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 16:16:20,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 16:16:20,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 16:16:20,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 16:16:20,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 16:16:20,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 16:16:20,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 16:16:20,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 16:16:20,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 16:16:20,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 16:16:20,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 16:16:20,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 16:16:20,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 16:16:20,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 16:16:20,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 16:16:20,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 16:16:20,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 16:16:20,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 16:16:20,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 16:16:20,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 16:16:20,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 16:16:20,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 16:16:20,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 16:16:20,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 16:16:20,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 16:16:20,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 16:16:20,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 16:16:20,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 16:16:20,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 16:16:20,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 16:16:20,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 16:16:20,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 16:16:20,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 16:16:20,260 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-11-09 16:16:20,323 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 16:16:20,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 16:16:20,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 16:16:20,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 16:16:20,326 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 16:16:20,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 16:16:20,326 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 16:16:20,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 16:16:20,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 16:16:20,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 16:16:20,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 16:16:20,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 16:16:20,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 16:16:20,327 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 16:16:20,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 16:16:20,328 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 16:16:20,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 16:16:20,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 16:16:20,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 16:16:20,329 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 16:16:20,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 16:16:20,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 16:16:20,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 16:16:20,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 16:16:20,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 16:16:20,330 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 16:16:20,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 16:16:20,330 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-11-09 16:16:20,330 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 16:16:20,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 16:16:20,331 INFO L138 SettingsManager]: * Interpolant automaton=MCR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 16:16:20,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 16:16:20,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 16:16:20,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 16:16:20,712 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 16:16:20,713 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 16:16:20,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longer.i [2020-11-09 16:16:20,804 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2249ea570/bf3c7b039d2646869a1ce708d2731982/FLAGc56061c16 [2020-11-09 16:16:21,572 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 16:16:21,575 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longer.i [2020-11-09 16:16:21,603 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2249ea570/bf3c7b039d2646869a1ce708d2731982/FLAGc56061c16 [2020-11-09 16:16:21,851 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2249ea570/bf3c7b039d2646869a1ce708d2731982 [2020-11-09 16:16:21,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 16:16:21,861 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 16:16:21,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 16:16:21,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 16:16:21,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 16:16:21,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:16:21" (1/1) ... [2020-11-09 16:16:21,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c57c64d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:21, skipping insertion in model container [2020-11-09 16:16:21,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:16:21" (1/1) ... [2020-11-09 16:16:21,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 16:16:21,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 16:16:22,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 16:16:22,474 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 16:16:22,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 16:16:22,752 INFO L208 MainTranslator]: Completed translation [2020-11-09 16:16:22,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:22 WrapperNode [2020-11-09 16:16:22,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 16:16:22,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 16:16:22,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 16:16:22,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 16:16:22,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:22" (1/1) ... [2020-11-09 16:16:22,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:22" (1/1) ... [2020-11-09 16:16:22,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 16:16:22,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 16:16:22,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 16:16:22,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 16:16:22,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:22" (1/1) ... [2020-11-09 16:16:22,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:22" (1/1) ... [2020-11-09 16:16:22,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:22" (1/1) ... [2020-11-09 16:16:22,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:22" (1/1) ... [2020-11-09 16:16:22,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:22" (1/1) ... [2020-11-09 16:16:22,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:22" (1/1) ... [2020-11-09 16:16:22,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:22" (1/1) ... [2020-11-09 16:16:22,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 16:16:22,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 16:16:22,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 16:16:22,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 16:16:22,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 16:16:22,958 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-11-09 16:16:22,958 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-11-09 16:16:22,958 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-11-09 16:16:22,959 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-11-09 16:16:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 16:16:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 16:16:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-09 16:16:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 16:16:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-09 16:16:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 16:16:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 16:16:22,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 16:16:22,962 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 16:16:23,865 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 16:16:23,865 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-11-09 16:16:23,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:16:23 BoogieIcfgContainer [2020-11-09 16:16:23,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 16:16:23,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 16:16:23,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 16:16:23,872 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 16:16:23,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:16:21" (1/3) ... [2020-11-09 16:16:23,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@722bfa1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:16:23, skipping insertion in model container [2020-11-09 16:16:23,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:16:22" (2/3) ... [2020-11-09 16:16:23,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@722bfa1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:16:23, skipping insertion in model container [2020-11-09 16:16:23,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:16:23" (3/3) ... [2020-11-09 16:16:23,875 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_ok_longer.i [2020-11-09 16:16:23,890 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 16:16:23,891 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 16:16:23,894 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-09 16:16:23,895 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 16:16:23,940 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,940 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,940 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,941 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,941 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,941 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,941 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,941 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,942 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,942 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,942 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,942 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,942 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,943 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,943 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,943 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,943 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,946 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,946 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,946 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,946 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,947 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,947 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,948 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,949 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,950 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,950 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,951 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,951 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,952 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,952 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,952 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,953 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,953 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,954 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,954 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,954 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,954 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,955 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,955 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,955 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,955 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,955 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,955 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,956 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,956 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,956 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,956 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,956 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,957 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,957 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,958 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,958 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,958 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,958 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,958 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,958 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,959 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,959 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,959 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,959 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,959 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,960 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,960 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,960 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,960 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,960 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,961 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,961 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,961 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,961 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,961 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,961 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,962 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,962 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,962 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,962 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,962 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,963 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,963 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,963 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,963 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,963 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,963 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,964 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,964 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,964 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,973 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,973 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,973 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,973 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,974 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,974 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,974 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,974 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,974 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,975 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,975 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,975 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,975 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,975 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,975 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,976 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,976 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,976 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,976 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,976 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,976 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,977 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,977 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,977 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,977 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,977 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,978 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,978 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,978 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,978 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,978 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,978 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,979 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,979 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,979 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,979 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,979 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,979 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,980 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,980 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,980 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,980 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,980 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,982 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,982 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,982 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,982 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,983 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,983 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,983 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,983 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,983 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,983 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,984 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,984 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,984 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,984 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,984 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,985 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,985 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,985 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,985 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,986 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,988 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,988 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,989 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,989 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,989 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,989 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,989 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,989 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,990 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,990 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,990 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,990 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,990 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,990 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,991 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,991 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,991 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,991 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,991 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,991 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,992 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,992 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,992 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,992 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,992 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,992 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,993 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,993 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,993 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,993 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,993 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,993 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,994 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,994 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,994 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,994 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,994 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,994 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,994 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,995 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,995 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,995 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,995 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,995 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,996 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,996 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,996 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,996 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,996 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,996 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,997 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,997 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,997 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,997 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,997 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,998 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,998 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,998 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,998 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,998 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,998 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,999 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,999 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,999 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,999 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,999 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:23,999 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,000 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,000 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,000 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,000 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,000 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,001 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,001 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,001 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,001 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,001 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,001 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,001 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,002 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,002 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,002 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,002 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,002 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,002 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,002 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,003 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,003 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,003 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,003 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,003 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,003 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,003 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,004 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,004 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,004 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,004 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,004 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,004 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,005 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,005 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,005 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,005 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,005 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,005 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,005 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,006 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,006 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,006 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,006 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,006 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,006 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,007 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,007 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,007 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,007 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,007 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,007 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,007 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,008 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,008 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,008 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,008 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,008 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,008 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,009 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,009 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,009 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,009 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,009 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,009 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,010 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,010 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,010 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,010 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,010 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,010 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,011 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,011 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,011 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,011 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,011 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,011 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,012 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,012 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,012 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,012 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,012 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,012 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,013 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,013 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,013 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,013 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,013 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,014 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,014 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,014 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,014 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,014 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,014 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,015 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,015 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,015 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,015 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,015 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,015 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,016 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,016 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,016 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,016 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,016 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,017 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,017 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,017 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,017 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,017 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,017 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,017 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,018 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,018 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,018 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,018 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,018 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,018 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,019 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,019 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,019 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,019 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,019 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,019 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,020 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,020 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,020 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,020 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,020 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,020 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,021 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,021 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,021 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,021 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,021 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,022 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,022 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,022 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,022 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,022 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,023 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,023 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,023 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,023 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,023 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,023 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,023 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,024 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,024 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,024 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,024 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,024 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,024 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,024 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,025 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,025 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,025 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,025 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,028 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,029 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,029 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,029 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,029 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,029 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,029 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,030 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,030 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,031 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,032 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,032 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,032 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,032 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,032 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,032 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,032 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,033 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,033 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,033 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,040 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,040 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,040 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,040 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,040 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,041 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,041 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,041 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,041 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,041 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,041 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,042 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,042 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,042 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,042 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,042 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,042 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,042 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,043 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,043 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,043 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,043 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,043 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:16:24,050 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-09 16:16:24,062 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-09 16:16:24,084 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 16:16:24,085 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 16:16:24,085 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 16:16:24,085 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 16:16:24,085 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 16:16:24,085 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 16:16:24,085 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 16:16:24,085 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 16:16:24,101 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 16:16:24,102 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 208 places, 218 transitions, 458 flow [2020-11-09 16:16:24,105 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 208 places, 218 transitions, 458 flow [2020-11-09 16:16:24,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 208 places, 218 transitions, 458 flow [2020-11-09 16:16:24,249 INFO L129 PetriNetUnfolder]: 16/218 cut-off events. [2020-11-09 16:16:24,250 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-11-09 16:16:24,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 218 events. 16/218 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 382 event pairs, 0 based on Foata normal form. 0/201 useless extension candidates. Maximal degree in co-relation 144. Up to 3 conditions per place. [2020-11-09 16:16:24,270 INFO L116 LiptonReduction]: Number of co-enabled transitions 10000 [2020-11-09 16:16:29,893 WARN L194 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-11-09 16:16:30,056 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-09 16:16:30,238 WARN L194 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-11-09 16:16:30,393 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-09 16:16:30,566 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-11-09 16:16:31,390 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-09 16:16:31,507 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-09 16:16:31,625 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-09 16:16:31,763 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-09 16:16:32,290 WARN L194 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 108 [2020-11-09 16:16:32,509 WARN L194 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-11-09 16:16:33,031 WARN L194 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 108 [2020-11-09 16:16:33,282 WARN L194 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-11-09 16:16:34,955 WARN L194 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 172 DAG size of output: 166 [2020-11-09 16:16:35,709 WARN L194 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-11-09 16:16:37,309 WARN L194 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 172 DAG size of output: 166 [2020-11-09 16:16:38,200 WARN L194 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-11-09 16:16:39,688 WARN L194 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 167 DAG size of output: 161 [2020-11-09 16:16:40,434 WARN L194 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-11-09 16:16:42,026 WARN L194 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 167 DAG size of output: 161 [2020-11-09 16:16:42,807 WARN L194 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-11-09 16:16:46,026 WARN L194 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 183 DAG size of output: 178 [2020-11-09 16:16:47,496 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 174 [2020-11-09 16:16:50,761 WARN L194 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 195 DAG size of output: 186 [2020-11-09 16:16:51,782 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 180 [2020-11-09 16:16:51,816 INFO L131 LiptonReduction]: Checked pairs total: 25000 [2020-11-09 16:16:51,816 INFO L133 LiptonReduction]: Total number of compositions: 203 [2020-11-09 16:16:51,824 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 55 transitions, 132 flow [2020-11-09 16:16:51,885 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 716 states. [2020-11-09 16:16:51,887 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states. [2020-11-09 16:16:51,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-11-09 16:16:51,895 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:16:51,896 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-11-09 16:16:51,896 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:16:51,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:16:51,906 INFO L82 PathProgramCache]: Analyzing trace with hash 870, now seen corresponding path program 1 times [2020-11-09 16:16:51,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:16:51,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545735747] [2020-11-09 16:16:51,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:16:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:16:52,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:16:52,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545735747] [2020-11-09 16:16:52,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:16:52,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-11-09 16:16:52,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [479301712] [2020-11-09 16:16:52,081 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:16:52,083 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:16:52,090 INFO L252 McrAutomatonBuilder]: Finished intersection with 2 states and 1 transitions. [2020-11-09 16:16:52,090 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:16:52,097 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:16:52,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-09 16:16:52,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:16:52,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-09 16:16:52,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-09 16:16:52,118 INFO L87 Difference]: Start difference. First operand 716 states. Second operand 2 states. [2020-11-09 16:16:52,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:16:52,190 INFO L93 Difference]: Finished difference Result 715 states and 1901 transitions. [2020-11-09 16:16:52,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-09 16:16:52,191 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-11-09 16:16:52,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:16:52,209 INFO L225 Difference]: With dead ends: 715 [2020-11-09 16:16:52,210 INFO L226 Difference]: Without dead ends: 524 [2020-11-09 16:16:52,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-09 16:16:52,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-11-09 16:16:52,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2020-11-09 16:16:52,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-11-09 16:16:52,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 1400 transitions. [2020-11-09 16:16:52,308 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 1400 transitions. Word has length 1 [2020-11-09 16:16:52,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:16:52,308 INFO L481 AbstractCegarLoop]: Abstraction has 524 states and 1400 transitions. [2020-11-09 16:16:52,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-09 16:16:52,308 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 1400 transitions. [2020-11-09 16:16:52,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 16:16:52,313 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:16:52,313 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:16:52,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 16:16:52,313 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:16:52,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:16:52,314 INFO L82 PathProgramCache]: Analyzing trace with hash 135778570, now seen corresponding path program 1 times [2020-11-09 16:16:52,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:16:52,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852126345] [2020-11-09 16:16:52,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:16:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:16:52,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:16:52,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852126345] [2020-11-09 16:16:52,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:16:52,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 16:16:52,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2119171681] [2020-11-09 16:16:52,569 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:16:52,573 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:16:52,578 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2020-11-09 16:16:52,578 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:16:52,578 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:16:52,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 16:16:52,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:16:52,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 16:16:52,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 16:16:52,581 INFO L87 Difference]: Start difference. First operand 524 states and 1400 transitions. Second operand 3 states. [2020-11-09 16:16:52,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:16:52,593 INFO L93 Difference]: Finished difference Result 236 states and 509 transitions. [2020-11-09 16:16:52,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 16:16:52,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-11-09 16:16:52,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:16:52,597 INFO L225 Difference]: With dead ends: 236 [2020-11-09 16:16:52,597 INFO L226 Difference]: Without dead ends: 212 [2020-11-09 16:16:52,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 16:16:52,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-11-09 16:16:52,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2020-11-09 16:16:52,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-11-09 16:16:52,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 464 transitions. [2020-11-09 16:16:52,612 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 464 transitions. Word has length 15 [2020-11-09 16:16:52,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:16:52,613 INFO L481 AbstractCegarLoop]: Abstraction has 212 states and 464 transitions. [2020-11-09 16:16:52,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 16:16:52,613 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 464 transitions. [2020-11-09 16:16:52,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-09 16:16:52,615 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:16:52,616 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:16:52,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 16:16:52,616 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:16:52,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:16:52,617 INFO L82 PathProgramCache]: Analyzing trace with hash -487135186, now seen corresponding path program 1 times [2020-11-09 16:16:52,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:16:52,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318217620] [2020-11-09 16:16:52,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:16:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:16:52,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:16:52,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318217620] [2020-11-09 16:16:52,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:16:52,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 16:16:52,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2042278942] [2020-11-09 16:16:52,701 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:16:52,709 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:16:52,717 INFO L252 McrAutomatonBuilder]: Finished intersection with 31 states and 41 transitions. [2020-11-09 16:16:52,718 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:16:52,779 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [4074#(not (= (select (select |#pthreadsMutex| |~#m~0.base|) |~#m~0.offset|) 0))] [2020-11-09 16:16:52,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 16:16:52,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:16:52,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 16:16:52,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-09 16:16:52,781 INFO L87 Difference]: Start difference. First operand 212 states and 464 transitions. Second operand 4 states. [2020-11-09 16:16:52,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:16:52,822 INFO L93 Difference]: Finished difference Result 162 states and 327 transitions. [2020-11-09 16:16:52,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 16:16:52,823 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-09 16:16:52,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:16:52,825 INFO L225 Difference]: With dead ends: 162 [2020-11-09 16:16:52,825 INFO L226 Difference]: Without dead ends: 160 [2020-11-09 16:16:52,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-09 16:16:52,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-11-09 16:16:52,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2020-11-09 16:16:52,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-11-09 16:16:52,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 324 transitions. [2020-11-09 16:16:52,834 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 324 transitions. Word has length 19 [2020-11-09 16:16:52,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:16:52,835 INFO L481 AbstractCegarLoop]: Abstraction has 160 states and 324 transitions. [2020-11-09 16:16:52,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 16:16:52,835 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 324 transitions. [2020-11-09 16:16:52,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-09 16:16:52,836 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:16:52,837 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:16:52,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 16:16:52,837 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:16:52,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:16:52,838 INFO L82 PathProgramCache]: Analyzing trace with hash -2076929182, now seen corresponding path program 1 times [2020-11-09 16:16:52,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:16:52,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855239952] [2020-11-09 16:16:52,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:16:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:16:52,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:16:52,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855239952] [2020-11-09 16:16:52,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:16:52,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 16:16:52,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1358926964] [2020-11-09 16:16:52,896 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:16:52,901 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:16:52,911 INFO L252 McrAutomatonBuilder]: Finished intersection with 31 states and 40 transitions. [2020-11-09 16:16:52,911 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:16:52,940 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:16:52,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 16:16:52,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:16:52,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 16:16:52,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 16:16:52,942 INFO L87 Difference]: Start difference. First operand 160 states and 324 transitions. Second operand 3 states. [2020-11-09 16:16:52,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:16:52,969 INFO L93 Difference]: Finished difference Result 200 states and 398 transitions. [2020-11-09 16:16:52,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 16:16:52,973 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-11-09 16:16:52,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:16:52,974 INFO L225 Difference]: With dead ends: 200 [2020-11-09 16:16:52,974 INFO L226 Difference]: Without dead ends: 200 [2020-11-09 16:16:52,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 16:16:52,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-11-09 16:16:52,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 164. [2020-11-09 16:16:52,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-11-09 16:16:52,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 331 transitions. [2020-11-09 16:16:52,987 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 331 transitions. Word has length 20 [2020-11-09 16:16:52,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:16:52,987 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 331 transitions. [2020-11-09 16:16:52,988 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 16:16:52,988 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 331 transitions. [2020-11-09 16:16:52,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-09 16:16:52,992 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:16:52,992 INFO L422 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] [2020-11-09 16:16:52,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 16:16:52,993 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:16:52,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:16:52,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1915648921, now seen corresponding path program 1 times [2020-11-09 16:16:52,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:16:52,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398841482] [2020-11-09 16:16:52,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:16:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:16:53,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:16:53,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398841482] [2020-11-09 16:16:53,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622444963] [2020-11-09 16:16:53,105 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 [2020-11-09 16:16:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:16:53,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-09 16:16:53,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:16:53,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:16:53,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 16:16:53,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-11-09 16:16:53,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [764759823] [2020-11-09 16:16:53,299 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:16:53,309 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:16:53,325 INFO L252 McrAutomatonBuilder]: Finished intersection with 42 states and 55 transitions. [2020-11-09 16:16:53,325 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:16:53,387 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:16:53,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 16:16:53,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:16:53,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 16:16:53,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-09 16:16:53,389 INFO L87 Difference]: Start difference. First operand 164 states and 331 transitions. Second operand 4 states. [2020-11-09 16:16:53,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:16:53,430 INFO L93 Difference]: Finished difference Result 240 states and 472 transitions. [2020-11-09 16:16:53,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-09 16:16:53,432 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-11-09 16:16:53,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:16:53,434 INFO L225 Difference]: With dead ends: 240 [2020-11-09 16:16:53,434 INFO L226 Difference]: Without dead ends: 240 [2020-11-09 16:16:53,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-09 16:16:53,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-11-09 16:16:53,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 204. [2020-11-09 16:16:53,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-11-09 16:16:53,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 405 transitions. [2020-11-09 16:16:53,444 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 405 transitions. Word has length 27 [2020-11-09 16:16:53,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:16:53,444 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 405 transitions. [2020-11-09 16:16:53,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 16:16:53,445 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 405 transitions. [2020-11-09 16:16:53,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-09 16:16:53,446 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:16:53,446 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:16:53,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:16:53,661 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:16:53,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:16:53,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1084664894, now seen corresponding path program 2 times [2020-11-09 16:16:53,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:16:53,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903353549] [2020-11-09 16:16:53,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:16:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:16:53,745 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:16:53,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903353549] [2020-11-09 16:16:53,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964280869] [2020-11-09 16:16:53,746 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 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 [2020-11-09 16:16:53,967 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-09 16:16:53,967 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 16:16:53,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-09 16:16:53,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:16:54,002 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:16:54,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 16:16:54,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-11-09 16:16:54,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2100543288] [2020-11-09 16:16:54,004 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:16:54,018 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:16:54,074 INFO L252 McrAutomatonBuilder]: Finished intersection with 56 states and 76 transitions. [2020-11-09 16:16:54,074 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:16:54,222 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:16:54,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 16:16:54,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:16:54,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 16:16:54,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-11-09 16:16:54,224 INFO L87 Difference]: Start difference. First operand 204 states and 405 transitions. Second operand 5 states. [2020-11-09 16:16:54,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:16:54,283 INFO L93 Difference]: Finished difference Result 280 states and 546 transitions. [2020-11-09 16:16:54,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 16:16:54,284 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-11-09 16:16:54,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:16:54,287 INFO L225 Difference]: With dead ends: 280 [2020-11-09 16:16:54,287 INFO L226 Difference]: Without dead ends: 280 [2020-11-09 16:16:54,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 51 SyntacticMatches, 4 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-11-09 16:16:54,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-11-09 16:16:54,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 244. [2020-11-09 16:16:54,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-11-09 16:16:54,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 479 transitions. [2020-11-09 16:16:54,296 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 479 transitions. Word has length 34 [2020-11-09 16:16:54,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:16:54,297 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 479 transitions. [2020-11-09 16:16:54,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 16:16:54,297 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 479 transitions. [2020-11-09 16:16:54,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-09 16:16:54,301 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:16:54,301 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:16:54,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:16:54,514 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:16:54,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:16:54,515 INFO L82 PathProgramCache]: Analyzing trace with hash 407214087, now seen corresponding path program 3 times [2020-11-09 16:16:54,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:16:54,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124863239] [2020-11-09 16:16:54,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:16:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:16:54,673 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:16:54,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124863239] [2020-11-09 16:16:54,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164421398] [2020-11-09 16:16:54,674 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 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 [2020-11-09 16:16:55,373 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-11-09 16:16:55,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 16:16:55,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-09 16:16:55,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:16:55,420 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:16:55,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 16:16:55,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-11-09 16:16:55,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1839803800] [2020-11-09 16:16:55,421 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:16:55,437 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:16:55,472 INFO L252 McrAutomatonBuilder]: Finished intersection with 70 states and 97 transitions. [2020-11-09 16:16:55,472 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:16:55,606 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:16:55,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-09 16:16:55,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:16:55,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-09 16:16:55,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-09 16:16:55,608 INFO L87 Difference]: Start difference. First operand 244 states and 479 transitions. Second operand 6 states. [2020-11-09 16:16:55,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:16:55,662 INFO L93 Difference]: Finished difference Result 320 states and 620 transitions. [2020-11-09 16:16:55,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-09 16:16:55,663 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2020-11-09 16:16:55,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:16:55,666 INFO L225 Difference]: With dead ends: 320 [2020-11-09 16:16:55,666 INFO L226 Difference]: Without dead ends: 320 [2020-11-09 16:16:55,666 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 64 SyntacticMatches, 5 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-09 16:16:55,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-11-09 16:16:55,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 284. [2020-11-09 16:16:55,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-11-09 16:16:55,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 553 transitions. [2020-11-09 16:16:55,677 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 553 transitions. Word has length 41 [2020-11-09 16:16:55,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:16:55,677 INFO L481 AbstractCegarLoop]: Abstraction has 284 states and 553 transitions. [2020-11-09 16:16:55,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-09 16:16:55,678 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 553 transitions. [2020-11-09 16:16:55,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-09 16:16:55,679 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:16:55,679 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:16:55,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:16:55,896 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:16:55,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:16:55,896 INFO L82 PathProgramCache]: Analyzing trace with hash -311038942, now seen corresponding path program 4 times [2020-11-09 16:16:55,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:16:55,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601350155] [2020-11-09 16:16:55,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:16:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:16:56,046 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:16:56,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601350155] [2020-11-09 16:16:56,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658189997] [2020-11-09 16:16:56,047 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:16:56,255 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-11-09 16:16:56,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 16:16:56,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-09 16:16:56,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:16:56,291 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:16:56,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 16:16:56,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2020-11-09 16:16:56,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1082884503] [2020-11-09 16:16:56,292 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:16:56,309 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:16:56,365 INFO L252 McrAutomatonBuilder]: Finished intersection with 84 states and 118 transitions. [2020-11-09 16:16:56,366 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:16:56,530 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:16:56,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 16:16:56,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:16:56,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 16:16:56,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-11-09 16:16:56,531 INFO L87 Difference]: Start difference. First operand 284 states and 553 transitions. Second operand 7 states. [2020-11-09 16:16:56,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:16:56,593 INFO L93 Difference]: Finished difference Result 360 states and 694 transitions. [2020-11-09 16:16:56,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-09 16:16:56,594 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2020-11-09 16:16:56,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:16:56,599 INFO L225 Difference]: With dead ends: 360 [2020-11-09 16:16:56,599 INFO L226 Difference]: Without dead ends: 360 [2020-11-09 16:16:56,600 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 77 SyntacticMatches, 6 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-11-09 16:16:56,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-11-09 16:16:56,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 324. [2020-11-09 16:16:56,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-11-09 16:16:56,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 627 transitions. [2020-11-09 16:16:56,614 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 627 transitions. Word has length 48 [2020-11-09 16:16:56,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:16:56,614 INFO L481 AbstractCegarLoop]: Abstraction has 324 states and 627 transitions. [2020-11-09 16:16:56,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 16:16:56,615 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 627 transitions. [2020-11-09 16:16:56,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-09 16:16:56,617 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:16:56,617 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:16:56,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:16:56,833 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:16:56,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:16:56,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1178676313, now seen corresponding path program 5 times [2020-11-09 16:16:56,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:16:56,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443763264] [2020-11-09 16:16:56,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:16:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:16:56,968 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:16:56,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443763264] [2020-11-09 16:16:56,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33141118] [2020-11-09 16:16:56,969 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:16:57,173 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-11-09 16:16:57,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 16:16:57,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 38 conjunts are in the unsatisfiable core [2020-11-09 16:16:57,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:16:57,243 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-11-09 16:16:57,243 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:16:57,248 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:16:57,248 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:16:57,248 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-11-09 16:16:57,314 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:16:57,315 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 65 [2020-11-09 16:16:57,316 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:16:57,358 INFO L625 ElimStorePlain]: treesize reduction 25, result has 59.7 percent of original size [2020-11-09 16:16:57,360 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-11-09 16:16:57,360 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:24 [2020-11-09 16:16:57,454 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 16:16:57,478 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-09 16:16:57,482 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-09 16:16:57,509 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:16:57,509 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-11-09 16:16:57,512 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:16:57,546 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:16:57,546 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-11-09 16:16:57,548 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 16:16:57,552 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-09 16:16:57,670 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2020-11-09 16:16:57,671 INFO L625 ElimStorePlain]: treesize reduction 50, result has 61.5 percent of original size [2020-11-09 16:16:57,677 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-11-09 16:16:57,677 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:84, output treesize:36 [2020-11-09 16:16:57,727 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 16:16:57,741 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-11-09 16:16:57,741 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:16:57,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-09 16:16:57,755 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-11-09 16:16:57,755 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-09 16:16:57,792 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:16:57,794 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-11-09 16:16:57,794 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:66, output treesize:36 [2020-11-09 16:16:57,863 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-11-09 16:16:57,865 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:16:57,874 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:16:57,875 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:16:57,875 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:22 [2020-11-09 16:16:57,947 INFO L348 Elim1Store]: treesize reduction 77, result has 10.5 percent of original size [2020-11-09 16:16:57,948 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2020-11-09 16:16:57,948 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:16:57,958 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:16:57,959 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:16:57,959 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:48, output treesize:9 [2020-11-09 16:16:58,017 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:16:58,017 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-11-09 16:16:58,018 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:16:58,045 INFO L625 ElimStorePlain]: treesize reduction 30, result has 44.4 percent of original size [2020-11-09 16:16:58,050 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:16:58,050 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-11-09 16:16:58,094 INFO L348 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-11-09 16:16:58,094 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2020-11-09 16:16:58,095 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:16:58,115 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:16:58,117 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:16:58,118 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-11-09 16:16:58,132 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 63 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-09 16:16:58,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 16:16:58,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2020-11-09 16:16:58,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1995352929] [2020-11-09 16:16:58,133 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:16:58,160 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:16:58,282 INFO L252 McrAutomatonBuilder]: Finished intersection with 98 states and 139 transitions. [2020-11-09 16:16:58,282 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:16:58,479 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:16:58,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-09 16:16:58,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:16:58,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-09 16:16:58,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2020-11-09 16:16:58,480 INFO L87 Difference]: Start difference. First operand 324 states and 627 transitions. Second operand 8 states. [2020-11-09 16:16:58,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:16:58,553 INFO L93 Difference]: Finished difference Result 400 states and 768 transitions. [2020-11-09 16:16:58,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-09 16:16:58,554 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2020-11-09 16:16:58,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:16:58,557 INFO L225 Difference]: With dead ends: 400 [2020-11-09 16:16:58,557 INFO L226 Difference]: Without dead ends: 400 [2020-11-09 16:16:58,558 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 82 SyntacticMatches, 7 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2020-11-09 16:16:58,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2020-11-09 16:16:58,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 364. [2020-11-09 16:16:58,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-11-09 16:16:58,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 701 transitions. [2020-11-09 16:16:58,568 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 701 transitions. Word has length 55 [2020-11-09 16:16:58,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:16:58,568 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 701 transitions. [2020-11-09 16:16:58,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-09 16:16:58,569 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 701 transitions. [2020-11-09 16:16:58,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-09 16:16:58,570 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:16:58,570 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:16:58,784 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:16:58,785 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:16:58,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:16:58,786 INFO L82 PathProgramCache]: Analyzing trace with hash 871390338, now seen corresponding path program 6 times [2020-11-09 16:16:58,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:16:58,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022222321] [2020-11-09 16:16:58,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:16:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:16:58,947 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:16:58,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022222321] [2020-11-09 16:16:58,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855444156] [2020-11-09 16:16:58,948 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:16:59,195 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2020-11-09 16:16:59,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 16:16:59,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 30 conjunts are in the unsatisfiable core [2020-11-09 16:16:59,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:16:59,222 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 153 [2020-11-09 16:16:59,225 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:16:59,299 INFO L625 ElimStorePlain]: treesize reduction 116, result has 17.7 percent of original size [2020-11-09 16:16:59,303 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:16:59,304 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:26, output treesize:4 [2020-11-09 16:16:59,340 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-11-09 16:16:59,341 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:16:59,347 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:16:59,348 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:16:59,348 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-11-09 16:16:59,376 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-11-09 16:16:59,377 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:16:59,386 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:16:59,388 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:16:59,388 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-11-09 16:16:59,449 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:16:59,449 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-11-09 16:16:59,450 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:16:59,475 INFO L625 ElimStorePlain]: treesize reduction 30, result has 44.4 percent of original size [2020-11-09 16:16:59,477 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:16:59,477 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-11-09 16:16:59,511 INFO L348 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-11-09 16:16:59,512 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2020-11-09 16:16:59,512 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:16:59,519 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:16:59,521 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:16:59,521 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-11-09 16:16:59,530 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 52 proven. 5 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-11-09 16:16:59,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 16:16:59,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 15 [2020-11-09 16:16:59,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [828377067] [2020-11-09 16:16:59,531 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:16:59,636 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:16:59,741 INFO L252 McrAutomatonBuilder]: Finished intersection with 112 states and 160 transitions. [2020-11-09 16:16:59,742 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:17:00,086 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:17:00,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 16:17:00,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:17:00,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 16:17:00,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2020-11-09 16:17:00,087 INFO L87 Difference]: Start difference. First operand 364 states and 701 transitions. Second operand 9 states. [2020-11-09 16:17:00,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:17:00,165 INFO L93 Difference]: Finished difference Result 440 states and 842 transitions. [2020-11-09 16:17:00,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-09 16:17:00,166 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-11-09 16:17:00,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:17:00,169 INFO L225 Difference]: With dead ends: 440 [2020-11-09 16:17:00,169 INFO L226 Difference]: Without dead ends: 440 [2020-11-09 16:17:00,170 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 98 SyntacticMatches, 8 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2020-11-09 16:17:00,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2020-11-09 16:17:00,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 404. [2020-11-09 16:17:00,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2020-11-09 16:17:00,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 775 transitions. [2020-11-09 16:17:00,180 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 775 transitions. Word has length 62 [2020-11-09 16:17:00,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:17:00,181 INFO L481 AbstractCegarLoop]: Abstraction has 404 states and 775 transitions. [2020-11-09 16:17:00,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 16:17:00,181 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 775 transitions. [2020-11-09 16:17:00,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-09 16:17:00,182 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:17:00,182 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:17:00,395 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:17:00,396 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:17:00,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:17:00,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1911081145, now seen corresponding path program 7 times [2020-11-09 16:17:00,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:17:00,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406047589] [2020-11-09 16:17:00,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:17:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:17:00,564 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:17:00,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406047589] [2020-11-09 16:17:00,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016861835] [2020-11-09 16:17:00,564 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:17:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:17:00,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-09 16:17:00,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:17:00,750 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:17:00,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 16:17:00,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2020-11-09 16:17:00,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1657394570] [2020-11-09 16:17:00,751 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:17:00,872 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:17:01,160 INFO L252 McrAutomatonBuilder]: Finished intersection with 126 states and 181 transitions. [2020-11-09 16:17:01,160 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:17:01,492 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:17:01,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-09 16:17:01,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:17:01,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-09 16:17:01,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-11-09 16:17:01,496 INFO L87 Difference]: Start difference. First operand 404 states and 775 transitions. Second operand 10 states. [2020-11-09 16:17:01,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:17:01,608 INFO L93 Difference]: Finished difference Result 480 states and 916 transitions. [2020-11-09 16:17:01,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-09 16:17:01,609 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2020-11-09 16:17:01,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:17:01,612 INFO L225 Difference]: With dead ends: 480 [2020-11-09 16:17:01,612 INFO L226 Difference]: Without dead ends: 480 [2020-11-09 16:17:01,613 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 116 SyntacticMatches, 9 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-11-09 16:17:01,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-11-09 16:17:01,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 444. [2020-11-09 16:17:01,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-11-09 16:17:01,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 849 transitions. [2020-11-09 16:17:01,625 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 849 transitions. Word has length 69 [2020-11-09 16:17:01,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:17:01,625 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 849 transitions. [2020-11-09 16:17:01,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-09 16:17:01,625 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 849 transitions. [2020-11-09 16:17:01,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-11-09 16:17:01,627 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:17:01,627 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:17:01,842 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:17:01,843 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:17:01,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:17:01,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1303291106, now seen corresponding path program 8 times [2020-11-09 16:17:01,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:17:01,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273929365] [2020-11-09 16:17:01,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:17:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:17:02,024 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:17:02,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273929365] [2020-11-09 16:17:02,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615230265] [2020-11-09 16:17:02,025 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:17:02,246 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-09 16:17:02,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 16:17:02,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-09 16:17:02,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:17:02,287 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:17:02,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 16:17:02,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2020-11-09 16:17:02,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [113788687] [2020-11-09 16:17:02,289 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:17:02,367 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:17:02,843 INFO L252 McrAutomatonBuilder]: Finished intersection with 140 states and 202 transitions. [2020-11-09 16:17:02,843 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:17:03,255 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:17:03,256 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-09 16:17:03,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:17:03,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-09 16:17:03,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-11-09 16:17:03,257 INFO L87 Difference]: Start difference. First operand 444 states and 849 transitions. Second operand 11 states. [2020-11-09 16:17:03,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:17:03,448 INFO L93 Difference]: Finished difference Result 520 states and 990 transitions. [2020-11-09 16:17:03,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-09 16:17:03,449 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 76 [2020-11-09 16:17:03,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:17:03,453 INFO L225 Difference]: With dead ends: 520 [2020-11-09 16:17:03,453 INFO L226 Difference]: Without dead ends: 520 [2020-11-09 16:17:03,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 129 SyntacticMatches, 10 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-11-09 16:17:03,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-11-09 16:17:03,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 484. [2020-11-09 16:17:03,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-11-09 16:17:03,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 923 transitions. [2020-11-09 16:17:03,465 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 923 transitions. Word has length 76 [2020-11-09 16:17:03,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:17:03,465 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 923 transitions. [2020-11-09 16:17:03,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-09 16:17:03,465 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 923 transitions. [2020-11-09 16:17:03,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-09 16:17:03,467 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:17:03,467 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:17:03,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-09 16:17:03,681 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:17:03,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:17:03,682 INFO L82 PathProgramCache]: Analyzing trace with hash -341261593, now seen corresponding path program 9 times [2020-11-09 16:17:03,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:17:03,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933706058] [2020-11-09 16:17:03,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:17:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:17:03,932 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:17:03,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933706058] [2020-11-09 16:17:03,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530797857] [2020-11-09 16:17:03,932 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:17:04,534 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-11-09 16:17:04,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 16:17:04,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 30 conjunts are in the unsatisfiable core [2020-11-09 16:17:04,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:17:04,557 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 95 [2020-11-09 16:17:04,559 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:04,617 INFO L625 ElimStorePlain]: treesize reduction 64, result has 28.1 percent of original size [2020-11-09 16:17:04,621 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:17:04,621 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:26, output treesize:4 [2020-11-09 16:17:04,665 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-11-09 16:17:04,666 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:04,675 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:17:04,675 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:17:04,676 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-11-09 16:17:04,703 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-11-09 16:17:04,703 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:04,711 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:17:04,712 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:17:04,713 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-11-09 16:17:04,791 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:17:04,792 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 99 [2020-11-09 16:17:04,793 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:04,830 INFO L625 ElimStorePlain]: treesize reduction 69, result has 28.1 percent of original size [2020-11-09 16:17:04,832 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:17:04,832 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:13 [2020-11-09 16:17:04,876 INFO L348 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-11-09 16:17:04,877 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2020-11-09 16:17:04,877 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:04,885 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:17:04,887 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:17:04,887 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:13 [2020-11-09 16:17:04,892 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-11-09 16:17:04,893 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:04,895 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:17:04,895 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:17:04,895 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:1 [2020-11-09 16:17:04,905 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 67 proven. 40 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2020-11-09 16:17:04,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 16:17:04,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7] total 18 [2020-11-09 16:17:04,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1249146041] [2020-11-09 16:17:04,906 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:17:04,963 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:17:05,482 INFO L252 McrAutomatonBuilder]: Finished intersection with 154 states and 223 transitions. [2020-11-09 16:17:05,483 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:17:05,859 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:17:05,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-09 16:17:05,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:17:05,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-09 16:17:05,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-11-09 16:17:05,861 INFO L87 Difference]: Start difference. First operand 484 states and 923 transitions. Second operand 12 states. [2020-11-09 16:17:05,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:17:05,999 INFO L93 Difference]: Finished difference Result 560 states and 1064 transitions. [2020-11-09 16:17:06,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-09 16:17:06,000 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 83 [2020-11-09 16:17:06,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:17:06,003 INFO L225 Difference]: With dead ends: 560 [2020-11-09 16:17:06,003 INFO L226 Difference]: Without dead ends: 560 [2020-11-09 16:17:06,004 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 137 SyntacticMatches, 11 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-11-09 16:17:06,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-11-09 16:17:06,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 524. [2020-11-09 16:17:06,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-11-09 16:17:06,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 997 transitions. [2020-11-09 16:17:06,018 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 997 transitions. Word has length 83 [2020-11-09 16:17:06,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:17:06,018 INFO L481 AbstractCegarLoop]: Abstraction has 524 states and 997 transitions. [2020-11-09 16:17:06,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-09 16:17:06,019 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 997 transitions. [2020-11-09 16:17:06,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-11-09 16:17:06,026 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:17:06,026 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:17:06,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:17:06,241 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:17:06,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:17:06,242 INFO L82 PathProgramCache]: Analyzing trace with hash -350829246, now seen corresponding path program 10 times [2020-11-09 16:17:06,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:17:06,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476831009] [2020-11-09 16:17:06,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:17:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:17:06,553 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:17:06,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476831009] [2020-11-09 16:17:06,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496755615] [2020-11-09 16:17:06,553 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:17:17,828 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-11-09 16:17:17,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 16:17:17,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-09 16:17:17,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:17:18,028 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:17:18,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 16:17:18,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2020-11-09 16:17:18,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [547056690] [2020-11-09 16:17:18,029 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:17:18,076 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:17:18,647 INFO L252 McrAutomatonBuilder]: Finished intersection with 168 states and 244 transitions. [2020-11-09 16:17:18,648 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:17:19,188 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:17:19,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-09 16:17:19,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:17:19,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-09 16:17:19,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2020-11-09 16:17:19,189 INFO L87 Difference]: Start difference. First operand 524 states and 997 transitions. Second operand 13 states. [2020-11-09 16:17:19,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:17:19,317 INFO L93 Difference]: Finished difference Result 600 states and 1138 transitions. [2020-11-09 16:17:19,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-09 16:17:19,317 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 90 [2020-11-09 16:17:19,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:17:19,321 INFO L225 Difference]: With dead ends: 600 [2020-11-09 16:17:19,321 INFO L226 Difference]: Without dead ends: 600 [2020-11-09 16:17:19,321 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 155 SyntacticMatches, 12 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2020-11-09 16:17:19,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2020-11-09 16:17:19,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 564. [2020-11-09 16:17:19,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2020-11-09 16:17:19,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 1071 transitions. [2020-11-09 16:17:19,335 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 1071 transitions. Word has length 90 [2020-11-09 16:17:19,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:17:19,335 INFO L481 AbstractCegarLoop]: Abstraction has 564 states and 1071 transitions. [2020-11-09 16:17:19,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-09 16:17:19,335 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1071 transitions. [2020-11-09 16:17:19,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-11-09 16:17:19,337 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:17:19,337 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:17:19,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:17:19,552 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:17:19,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:17:19,554 INFO L82 PathProgramCache]: Analyzing trace with hash 55408263, now seen corresponding path program 11 times [2020-11-09 16:17:19,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:17:19,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522936958] [2020-11-09 16:17:19,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:17:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:17:19,792 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:17:19,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522936958] [2020-11-09 16:17:19,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872063065] [2020-11-09 16:17:19,792 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:17:19,970 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-11-09 16:17:19,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 16:17:19,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 43 conjunts are in the unsatisfiable core [2020-11-09 16:17:19,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:17:20,023 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-11-09 16:17:20,026 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:20,028 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:17:20,028 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:17:20,028 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:9 [2020-11-09 16:17:20,084 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:17:20,084 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-11-09 16:17:20,085 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:20,131 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-11-09 16:17:20,133 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 16:17:20,138 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-11-09 16:17:20,138 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-11-09 16:17:20,251 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 16:17:20,303 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:17:20,304 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-11-09 16:17:20,304 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 16:17:20,306 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:20,313 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-09 16:17:20,335 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:17:20,336 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-11-09 16:17:20,336 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:20,447 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-11-09 16:17:20,448 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-11-09 16:17:20,451 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-11-09 16:17:20,452 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-11-09 16:17:20,522 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 16:17:20,543 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-11-09 16:17:20,543 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:20,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-09 16:17:20,562 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-11-09 16:17:20,563 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:20,609 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:17:20,611 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-11-09 16:17:20,611 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-11-09 16:17:20,713 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-11-09 16:17:20,716 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:20,729 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:17:20,730 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:17:20,733 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-11-09 16:17:20,811 INFO L721 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-11-09 16:17:20,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-09 16:17:20,908 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2020-11-09 16:17:20,909 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:20,948 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:17:20,969 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-09 16:17:20,969 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:103, output treesize:64 [2020-11-09 16:17:27,225 WARN L194 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 36 [2020-11-09 16:17:31,483 WARN L194 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 38 [2020-11-09 16:17:31,532 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:17:31,533 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-11-09 16:17:31,534 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:31,603 INFO L625 ElimStorePlain]: treesize reduction 30, result has 72.2 percent of original size [2020-11-09 16:17:31,613 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-09 16:17:31,613 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:88, output treesize:64 [2020-11-09 16:17:37,867 WARN L194 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 36 [2020-11-09 16:17:37,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-09 16:17:37,915 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-11-09 16:17:37,916 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:37,938 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:17:37,945 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-09 16:17:37,946 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:79, output treesize:64 [2020-11-09 16:17:38,053 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 256 proven. 8 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2020-11-09 16:17:38,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 16:17:38,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 25 [2020-11-09 16:17:38,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1085875037] [2020-11-09 16:17:38,054 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:17:38,136 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:17:38,790 INFO L252 McrAutomatonBuilder]: Finished intersection with 182 states and 265 transitions. [2020-11-09 16:17:38,790 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:17:39,265 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:17:39,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-09 16:17:39,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:17:39,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-09 16:17:39,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=467, Unknown=4, NotChecked=0, Total=600 [2020-11-09 16:17:39,266 INFO L87 Difference]: Start difference. First operand 564 states and 1071 transitions. Second operand 14 states. [2020-11-09 16:17:39,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:17:39,400 INFO L93 Difference]: Finished difference Result 640 states and 1212 transitions. [2020-11-09 16:17:39,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-09 16:17:39,401 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 97 [2020-11-09 16:17:39,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:17:39,405 INFO L225 Difference]: With dead ends: 640 [2020-11-09 16:17:39,405 INFO L226 Difference]: Without dead ends: 640 [2020-11-09 16:17:39,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 158 SyntacticMatches, 13 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 17.3s TimeCoverageRelationStatistics Valid=129, Invalid=467, Unknown=4, NotChecked=0, Total=600 [2020-11-09 16:17:39,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2020-11-09 16:17:39,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 604. [2020-11-09 16:17:39,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-11-09 16:17:39,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 1145 transitions. [2020-11-09 16:17:39,420 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 1145 transitions. Word has length 97 [2020-11-09 16:17:39,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:17:39,421 INFO L481 AbstractCegarLoop]: Abstraction has 604 states and 1145 transitions. [2020-11-09 16:17:39,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-09 16:17:39,421 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1145 transitions. [2020-11-09 16:17:39,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-11-09 16:17:39,423 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:17:39,423 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:17:39,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-11-09 16:17:39,636 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:17:39,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:17:39,637 INFO L82 PathProgramCache]: Analyzing trace with hash 302955938, now seen corresponding path program 12 times [2020-11-09 16:17:39,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:17:39,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084962267] [2020-11-09 16:17:39,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:17:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:17:40,047 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:17:40,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084962267] [2020-11-09 16:17:40,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223099437] [2020-11-09 16:17:40,048 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:17:43,180 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2020-11-09 16:17:43,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 16:17:43,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 26 conjunts are in the unsatisfiable core [2020-11-09 16:17:43,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:17:43,217 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 318 treesize of output 302 [2020-11-09 16:17:43,220 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:43,357 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 22 [2020-11-09 16:17:43,358 INFO L625 ElimStorePlain]: treesize reduction 253, result has 9.0 percent of original size [2020-11-09 16:17:43,362 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:17:43,362 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:26, output treesize:4 [2020-11-09 16:17:43,414 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-11-09 16:17:43,414 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:43,430 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:17:43,430 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:17:43,431 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-11-09 16:17:43,468 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-11-09 16:17:43,469 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:43,479 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:17:43,480 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:17:43,480 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-11-09 16:17:43,549 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:17:43,550 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-11-09 16:17:43,551 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:43,578 INFO L625 ElimStorePlain]: treesize reduction 30, result has 44.4 percent of original size [2020-11-09 16:17:43,580 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:17:43,580 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-11-09 16:17:43,621 INFO L348 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-11-09 16:17:43,623 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2020-11-09 16:17:43,624 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:43,636 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:17:43,638 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:17:43,638 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-11-09 16:17:43,656 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 230 proven. 15 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2020-11-09 16:17:43,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 16:17:43,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 7] total 21 [2020-11-09 16:17:43,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [295953569] [2020-11-09 16:17:43,657 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:17:43,730 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:17:44,533 INFO L252 McrAutomatonBuilder]: Finished intersection with 196 states and 286 transitions. [2020-11-09 16:17:44,533 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:17:45,002 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:17:45,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-09 16:17:45,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:17:45,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-09 16:17:45,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-11-09 16:17:45,004 INFO L87 Difference]: Start difference. First operand 604 states and 1145 transitions. Second operand 15 states. [2020-11-09 16:17:45,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:17:45,172 INFO L93 Difference]: Finished difference Result 680 states and 1286 transitions. [2020-11-09 16:17:45,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-09 16:17:45,177 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 104 [2020-11-09 16:17:45,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:17:45,181 INFO L225 Difference]: With dead ends: 680 [2020-11-09 16:17:45,181 INFO L226 Difference]: Without dead ends: 680 [2020-11-09 16:17:45,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 176 SyntacticMatches, 14 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-11-09 16:17:45,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2020-11-09 16:17:45,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 644. [2020-11-09 16:17:45,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 644 states. [2020-11-09 16:17:45,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 1219 transitions. [2020-11-09 16:17:45,309 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 1219 transitions. Word has length 104 [2020-11-09 16:17:45,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:17:45,309 INFO L481 AbstractCegarLoop]: Abstraction has 644 states and 1219 transitions. [2020-11-09 16:17:45,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-09 16:17:45,310 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1219 transitions. [2020-11-09 16:17:45,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-11-09 16:17:45,313 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:17:45,313 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:17:45,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-11-09 16:17:45,515 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:17:45,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:17:45,516 INFO L82 PathProgramCache]: Analyzing trace with hash -2141236697, now seen corresponding path program 13 times [2020-11-09 16:17:45,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:17:45,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701552644] [2020-11-09 16:17:45,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:17:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:17:45,806 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 0 proven. 559 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:17:45,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701552644] [2020-11-09 16:17:45,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802621935] [2020-11-09 16:17:45,806 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:17:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:17:46,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-09 16:17:46,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:17:46,041 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 0 proven. 559 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:17:46,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 16:17:46,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2020-11-09 16:17:46,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [10411419] [2020-11-09 16:17:46,042 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:17:46,109 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:17:47,050 INFO L252 McrAutomatonBuilder]: Finished intersection with 210 states and 307 transitions. [2020-11-09 16:17:47,051 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:17:47,563 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:17:47,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-09 16:17:47,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:17:47,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-09 16:17:47,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2020-11-09 16:17:47,564 INFO L87 Difference]: Start difference. First operand 644 states and 1219 transitions. Second operand 16 states. [2020-11-09 16:17:47,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:17:47,726 INFO L93 Difference]: Finished difference Result 720 states and 1360 transitions. [2020-11-09 16:17:47,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-09 16:17:47,727 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 111 [2020-11-09 16:17:47,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:17:47,730 INFO L225 Difference]: With dead ends: 720 [2020-11-09 16:17:47,730 INFO L226 Difference]: Without dead ends: 720 [2020-11-09 16:17:47,731 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 194 SyntacticMatches, 15 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2020-11-09 16:17:47,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2020-11-09 16:17:47,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 684. [2020-11-09 16:17:47,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 684 states. [2020-11-09 16:17:47,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 1293 transitions. [2020-11-09 16:17:47,746 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 1293 transitions. Word has length 111 [2020-11-09 16:17:47,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:17:47,746 INFO L481 AbstractCegarLoop]: Abstraction has 684 states and 1293 transitions. [2020-11-09 16:17:47,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-09 16:17:47,747 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1293 transitions. [2020-11-09 16:17:47,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-11-09 16:17:47,749 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:17:47,749 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:17:47,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-11-09 16:17:47,964 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:17:47,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:17:47,965 INFO L82 PathProgramCache]: Analyzing trace with hash 2113703426, now seen corresponding path program 14 times [2020-11-09 16:17:47,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:17:47,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053695900] [2020-11-09 16:17:47,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:17:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:17:48,293 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:17:48,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053695900] [2020-11-09 16:17:48,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271989139] [2020-11-09 16:17:48,294 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:17:48,614 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-09 16:17:48,614 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 16:17:48,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-09 16:17:48,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:17:48,758 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:17:48,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 16:17:48,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2020-11-09 16:17:48,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1461608185] [2020-11-09 16:17:48,759 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:17:48,929 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:17:50,252 INFO L252 McrAutomatonBuilder]: Finished intersection with 224 states and 328 transitions. [2020-11-09 16:17:50,252 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:17:50,844 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:17:50,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-09 16:17:50,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:17:50,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-09 16:17:50,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2020-11-09 16:17:50,846 INFO L87 Difference]: Start difference. First operand 684 states and 1293 transitions. Second operand 17 states. [2020-11-09 16:17:51,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:17:51,023 INFO L93 Difference]: Finished difference Result 760 states and 1434 transitions. [2020-11-09 16:17:51,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-09 16:17:51,027 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 118 [2020-11-09 16:17:51,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:17:51,031 INFO L225 Difference]: With dead ends: 760 [2020-11-09 16:17:51,031 INFO L226 Difference]: Without dead ends: 760 [2020-11-09 16:17:51,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 207 SyntacticMatches, 16 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2020-11-09 16:17:51,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-11-09 16:17:51,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 724. [2020-11-09 16:17:51,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2020-11-09 16:17:51,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1367 transitions. [2020-11-09 16:17:51,046 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1367 transitions. Word has length 118 [2020-11-09 16:17:51,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:17:51,047 INFO L481 AbstractCegarLoop]: Abstraction has 724 states and 1367 transitions. [2020-11-09 16:17:51,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-09 16:17:51,047 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1367 transitions. [2020-11-09 16:17:51,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-11-09 16:17:51,049 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:17:51,049 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:17:51,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:17:51,265 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:17:51,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:17:51,266 INFO L82 PathProgramCache]: Analyzing trace with hash 683169223, now seen corresponding path program 15 times [2020-11-09 16:17:51,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:17:51,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248180847] [2020-11-09 16:17:51,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:17:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:17:51,627 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:17:51,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248180847] [2020-11-09 16:17:51,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018059203] [2020-11-09 16:17:51,628 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:17:52,372 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-11-09 16:17:52,372 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 16:17:52,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 29 conjunts are in the unsatisfiable core [2020-11-09 16:17:52,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:17:52,443 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-11-09 16:17:52,443 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:52,452 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:17:52,452 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:17:52,453 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2020-11-09 16:17:52,531 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:17:52,531 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-11-09 16:17:52,532 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:52,594 INFO L625 ElimStorePlain]: treesize reduction 24, result has 65.7 percent of original size [2020-11-09 16:17:52,602 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 16:17:52,604 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 16:17:52,605 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:17:52,606 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:36, output treesize:24 [2020-11-09 16:17:52,644 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 16:17:52,748 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:17:52,748 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-11-09 16:17:52,749 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:52,782 INFO L625 ElimStorePlain]: treesize reduction 30, result has 47.4 percent of original size [2020-11-09 16:17:52,784 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:17:52,784 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:13 [2020-11-09 16:17:52,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-09 16:17:52,827 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-11-09 16:17:52,827 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:17:52,839 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:17:52,840 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:17:52,840 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:13 [2020-11-09 16:17:52,901 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 121 proven. 70 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2020-11-09 16:17:52,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 16:17:52,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 7] total 24 [2020-11-09 16:17:52,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1009435323] [2020-11-09 16:17:52,902 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:17:53,034 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:17:54,282 INFO L252 McrAutomatonBuilder]: Finished intersection with 238 states and 349 transitions. [2020-11-09 16:17:54,282 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:17:55,028 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:17:55,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-09 16:17:55,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:17:55,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-09 16:17:55,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2020-11-09 16:17:55,030 INFO L87 Difference]: Start difference. First operand 724 states and 1367 transitions. Second operand 18 states. [2020-11-09 16:17:55,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:17:55,205 INFO L93 Difference]: Finished difference Result 800 states and 1508 transitions. [2020-11-09 16:17:55,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-09 16:17:55,206 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 125 [2020-11-09 16:17:55,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:17:55,210 INFO L225 Difference]: With dead ends: 800 [2020-11-09 16:17:55,210 INFO L226 Difference]: Without dead ends: 800 [2020-11-09 16:17:55,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 215 SyntacticMatches, 17 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2020-11-09 16:17:55,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-11-09 16:17:55,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 764. [2020-11-09 16:17:55,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 764 states. [2020-11-09 16:17:55,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1441 transitions. [2020-11-09 16:17:55,229 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1441 transitions. Word has length 125 [2020-11-09 16:17:55,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:17:55,229 INFO L481 AbstractCegarLoop]: Abstraction has 764 states and 1441 transitions. [2020-11-09 16:17:55,229 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-09 16:17:55,229 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1441 transitions. [2020-11-09 16:17:55,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-11-09 16:17:55,232 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:17:55,232 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:17:55,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:17:55,447 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:17:55,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:17:55,448 INFO L82 PathProgramCache]: Analyzing trace with hash -3787166, now seen corresponding path program 16 times [2020-11-09 16:17:55,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:17:55,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987702470] [2020-11-09 16:17:55,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:17:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:17:55,897 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 0 proven. 856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:17:55,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987702470] [2020-11-09 16:17:55,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880510570] [2020-11-09 16:17:55,898 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:19:24,582 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-11-09 16:19:24,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 16:19:27,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 18 conjunts are in the unsatisfiable core [2020-11-09 16:19:27,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:19:27,510 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 0 proven. 856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:19:27,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 16:19:27,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2020-11-09 16:19:27,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [103734077] [2020-11-09 16:19:27,511 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:19:27,660 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:19:29,342 INFO L252 McrAutomatonBuilder]: Finished intersection with 252 states and 370 transitions. [2020-11-09 16:19:29,342 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:19:30,078 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:19:30,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-09 16:19:30,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:19:30,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-09 16:19:30,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2020-11-09 16:19:30,080 INFO L87 Difference]: Start difference. First operand 764 states and 1441 transitions. Second operand 19 states. [2020-11-09 16:19:30,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:19:30,287 INFO L93 Difference]: Finished difference Result 840 states and 1582 transitions. [2020-11-09 16:19:30,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-09 16:19:30,292 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 132 [2020-11-09 16:19:30,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:19:30,297 INFO L225 Difference]: With dead ends: 840 [2020-11-09 16:19:30,297 INFO L226 Difference]: Without dead ends: 840 [2020-11-09 16:19:30,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 233 SyntacticMatches, 18 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2020-11-09 16:19:30,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2020-11-09 16:19:30,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 804. [2020-11-09 16:19:30,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2020-11-09 16:19:30,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1515 transitions. [2020-11-09 16:19:30,315 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1515 transitions. Word has length 132 [2020-11-09 16:19:30,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:19:30,315 INFO L481 AbstractCegarLoop]: Abstraction has 804 states and 1515 transitions. [2020-11-09 16:19:30,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-09 16:19:30,315 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1515 transitions. [2020-11-09 16:19:30,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-11-09 16:19:30,320 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:19:30,320 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:19:30,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:19:30,522 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:19:30,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:19:30,523 INFO L82 PathProgramCache]: Analyzing trace with hash 2092073319, now seen corresponding path program 17 times [2020-11-09 16:19:30,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:19:30,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373056925] [2020-11-09 16:19:30,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:19:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:19:30,949 INFO L134 CoverageAnalysis]: Checked inductivity of 969 backedges. 0 proven. 969 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:19:30,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373056925] [2020-11-09 16:19:30,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764401050] [2020-11-09 16:19:30,950 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:19:31,119 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2020-11-09 16:19:31,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 16:19:31,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 41 conjunts are in the unsatisfiable core [2020-11-09 16:19:31,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:19:31,184 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-11-09 16:19:31,186 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:19:31,189 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:19:31,189 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:19:31,189 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:9 [2020-11-09 16:19:31,248 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:19:31,249 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-11-09 16:19:31,249 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:19:31,299 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-11-09 16:19:31,300 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 16:19:31,302 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-11-09 16:19:31,303 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-11-09 16:19:31,426 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 16:19:31,438 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-09 16:19:31,441 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-09 16:19:31,467 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:19:31,468 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-11-09 16:19:31,468 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:19:31,501 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:19:31,501 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-11-09 16:19:31,502 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 16:19:31,503 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-09 16:19:31,633 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-11-09 16:19:31,634 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-11-09 16:19:31,637 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-11-09 16:19:31,638 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-11-09 16:19:31,719 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 16:19:31,733 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-11-09 16:19:31,734 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:19:31,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-09 16:19:31,748 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-11-09 16:19:31,749 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-09 16:19:31,793 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:19:31,795 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-11-09 16:19:31,795 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-11-09 16:19:31,905 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-11-09 16:19:31,906 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:19:31,920 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:19:31,920 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:19:31,920 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-11-09 16:19:32,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-09 16:19:32,047 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 32 [2020-11-09 16:19:32,047 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:19:32,058 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:19:32,059 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:19:32,060 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:40, output treesize:9 [2020-11-09 16:19:32,128 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:19:32,129 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-11-09 16:19:32,129 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:19:32,155 INFO L625 ElimStorePlain]: treesize reduction 30, result has 44.4 percent of original size [2020-11-09 16:19:32,156 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:19:32,157 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-11-09 16:19:32,208 INFO L348 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-11-09 16:19:32,208 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2020-11-09 16:19:32,209 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:19:32,215 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:19:32,217 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:19:32,217 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-11-09 16:19:32,239 INFO L134 CoverageAnalysis]: Checked inductivity of 969 backedges. 454 proven. 8 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2020-11-09 16:19:32,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 16:19:32,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 12] total 30 [2020-11-09 16:19:32,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [885273594] [2020-11-09 16:19:32,240 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:19:32,308 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:19:34,160 INFO L252 McrAutomatonBuilder]: Finished intersection with 266 states and 391 transitions. [2020-11-09 16:19:34,160 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:19:35,622 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:19:35,622 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-11-09 16:19:35,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:19:35,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-11-09 16:19:35,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=646, Unknown=0, NotChecked=0, Total=870 [2020-11-09 16:19:35,624 INFO L87 Difference]: Start difference. First operand 804 states and 1515 transitions. Second operand 20 states. [2020-11-09 16:19:35,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:19:35,850 INFO L93 Difference]: Finished difference Result 880 states and 1656 transitions. [2020-11-09 16:19:35,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-09 16:19:35,851 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 139 [2020-11-09 16:19:35,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:19:35,858 INFO L225 Difference]: With dead ends: 880 [2020-11-09 16:19:35,858 INFO L226 Difference]: Without dead ends: 880 [2020-11-09 16:19:35,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 237 SyntacticMatches, 19 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=224, Invalid=646, Unknown=0, NotChecked=0, Total=870 [2020-11-09 16:19:35,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-11-09 16:19:35,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 844. [2020-11-09 16:19:35,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 844 states. [2020-11-09 16:19:35,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1589 transitions. [2020-11-09 16:19:35,879 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1589 transitions. Word has length 139 [2020-11-09 16:19:35,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:19:35,881 INFO L481 AbstractCegarLoop]: Abstraction has 844 states and 1589 transitions. [2020-11-09 16:19:35,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-11-09 16:19:35,881 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1589 transitions. [2020-11-09 16:19:35,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-11-09 16:19:35,884 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:19:35,885 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:19:36,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2020-11-09 16:19:36,099 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:19:36,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:19:36,100 INFO L82 PathProgramCache]: Analyzing trace with hash -573458750, now seen corresponding path program 18 times [2020-11-09 16:19:36,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:19:36,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246596739] [2020-11-09 16:19:36,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:19:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:19:36,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 0 proven. 1089 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:19:36,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246596739] [2020-11-09 16:19:36,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678738331] [2020-11-09 16:19:36,589 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:19:40,879 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2020-11-09 16:19:40,880 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 16:19:40,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 31 conjunts are in the unsatisfiable core [2020-11-09 16:19:40,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:19:40,917 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 269 treesize of output 253 [2020-11-09 16:19:40,920 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:19:41,050 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 26 [2020-11-09 16:19:41,051 INFO L625 ElimStorePlain]: treesize reduction 204, result has 13.2 percent of original size [2020-11-09 16:19:41,055 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:19:41,055 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:33, output treesize:11 [2020-11-09 16:19:41,133 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-11-09 16:19:41,134 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:19:41,145 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:19:41,146 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:19:41,146 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:20 [2020-11-09 16:19:41,195 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2020-11-09 16:19:41,196 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:19:41,253 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:19:41,254 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:19:41,255 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:30, output treesize:13 [2020-11-09 16:19:41,345 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:19:41,345 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 49 [2020-11-09 16:19:41,346 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:19:41,375 INFO L625 ElimStorePlain]: treesize reduction 26, result has 45.8 percent of original size [2020-11-09 16:19:41,376 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:19:41,376 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:34, output treesize:13 [2020-11-09 16:19:41,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-09 16:19:41,422 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-11-09 16:19:41,423 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:19:41,433 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:19:41,435 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:19:41,435 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:13 [2020-11-09 16:19:41,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 460 proven. 20 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2020-11-09 16:19:41,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 16:19:41,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 7] total 27 [2020-11-09 16:19:41,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [464681804] [2020-11-09 16:19:41,460 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:19:41,532 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:19:43,685 INFO L252 McrAutomatonBuilder]: Finished intersection with 280 states and 412 transitions. [2020-11-09 16:19:43,686 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:19:44,626 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:19:44,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-11-09 16:19:44,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:19:44,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-11-09 16:19:44,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=476, Unknown=0, NotChecked=0, Total=702 [2020-11-09 16:19:44,628 INFO L87 Difference]: Start difference. First operand 844 states and 1589 transitions. Second operand 21 states. [2020-11-09 16:19:44,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:19:44,849 INFO L93 Difference]: Finished difference Result 920 states and 1730 transitions. [2020-11-09 16:19:44,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-11-09 16:19:44,850 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 146 [2020-11-09 16:19:44,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:19:44,854 INFO L225 Difference]: With dead ends: 920 [2020-11-09 16:19:44,854 INFO L226 Difference]: Without dead ends: 920 [2020-11-09 16:19:44,854 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 254 SyntacticMatches, 20 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=226, Invalid=476, Unknown=0, NotChecked=0, Total=702 [2020-11-09 16:19:44,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2020-11-09 16:19:44,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 884. [2020-11-09 16:19:44,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 884 states. [2020-11-09 16:19:44,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1663 transitions. [2020-11-09 16:19:44,879 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1663 transitions. Word has length 146 [2020-11-09 16:19:44,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:19:44,880 INFO L481 AbstractCegarLoop]: Abstraction has 884 states and 1663 transitions. [2020-11-09 16:19:44,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-11-09 16:19:44,880 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1663 transitions. [2020-11-09 16:19:44,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-11-09 16:19:44,883 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:19:44,883 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:19:45,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2020-11-09 16:19:45,097 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:19:45,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:19:45,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1462228231, now seen corresponding path program 19 times [2020-11-09 16:19:45,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:19:45,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712292128] [2020-11-09 16:19:45,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:19:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:19:45,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1216 backedges. 0 proven. 1216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:19:45,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712292128] [2020-11-09 16:19:45,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833375196] [2020-11-09 16:19:45,590 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:19:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:19:45,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 21 conjunts are in the unsatisfiable core [2020-11-09 16:19:45,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:19:46,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1216 backedges. 0 proven. 1216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:19:46,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 16:19:46,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 23 [2020-11-09 16:19:46,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2107649890] [2020-11-09 16:19:46,018 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:19:46,191 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:19:48,710 INFO L252 McrAutomatonBuilder]: Finished intersection with 294 states and 433 transitions. [2020-11-09 16:19:48,711 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:19:49,567 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:19:49,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-11-09 16:19:49,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:19:49,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-11-09 16:19:49,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2020-11-09 16:19:49,569 INFO L87 Difference]: Start difference. First operand 884 states and 1663 transitions. Second operand 22 states. [2020-11-09 16:19:49,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:19:49,808 INFO L93 Difference]: Finished difference Result 960 states and 1804 transitions. [2020-11-09 16:19:49,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-11-09 16:19:49,810 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 153 [2020-11-09 16:19:49,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:19:49,815 INFO L225 Difference]: With dead ends: 960 [2020-11-09 16:19:49,815 INFO L226 Difference]: Without dead ends: 960 [2020-11-09 16:19:49,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 272 SyntacticMatches, 21 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2020-11-09 16:19:49,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2020-11-09 16:19:49,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 924. [2020-11-09 16:19:49,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2020-11-09 16:19:49,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1737 transitions. [2020-11-09 16:19:49,833 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1737 transitions. Word has length 153 [2020-11-09 16:19:49,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:19:49,833 INFO L481 AbstractCegarLoop]: Abstraction has 924 states and 1737 transitions. [2020-11-09 16:19:49,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-11-09 16:19:49,834 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1737 transitions. [2020-11-09 16:19:49,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-11-09 16:19:49,837 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:19:49,837 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:19:50,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2020-11-09 16:19:50,052 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:19:50,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:19:50,053 INFO L82 PathProgramCache]: Analyzing trace with hash 872746786, now seen corresponding path program 20 times [2020-11-09 16:19:50,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:19:50,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590252304] [2020-11-09 16:19:50,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:19:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:19:50,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1350 backedges. 0 proven. 1350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:19:50,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590252304] [2020-11-09 16:19:50,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138082008] [2020-11-09 16:19:50,655 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:19:51,006 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-09 16:19:51,006 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 16:19:51,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 22 conjunts are in the unsatisfiable core [2020-11-09 16:19:51,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:19:51,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1350 backedges. 0 proven. 1350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:19:51,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 16:19:51,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 24 [2020-11-09 16:19:51,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2019053303] [2020-11-09 16:19:51,057 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:19:51,352 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:19:54,021 INFO L252 McrAutomatonBuilder]: Finished intersection with 308 states and 454 transitions. [2020-11-09 16:19:54,022 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:19:54,928 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:19:54,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-11-09 16:19:54,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:19:54,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-11-09 16:19:54,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2020-11-09 16:19:54,929 INFO L87 Difference]: Start difference. First operand 924 states and 1737 transitions. Second operand 23 states. [2020-11-09 16:19:55,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:19:55,327 INFO L93 Difference]: Finished difference Result 1000 states and 1878 transitions. [2020-11-09 16:19:55,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-11-09 16:19:55,328 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 160 [2020-11-09 16:19:55,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:19:55,333 INFO L225 Difference]: With dead ends: 1000 [2020-11-09 16:19:55,333 INFO L226 Difference]: Without dead ends: 1000 [2020-11-09 16:19:55,333 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 285 SyntacticMatches, 22 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2020-11-09 16:19:55,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2020-11-09 16:19:55,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 964. [2020-11-09 16:19:55,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 964 states. [2020-11-09 16:19:55,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1811 transitions. [2020-11-09 16:19:55,359 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1811 transitions. Word has length 160 [2020-11-09 16:19:55,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:19:55,360 INFO L481 AbstractCegarLoop]: Abstraction has 964 states and 1811 transitions. [2020-11-09 16:19:55,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-11-09 16:19:55,360 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1811 transitions. [2020-11-09 16:19:55,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-09 16:19:55,364 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:19:55,364 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:19:55,578 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2020-11-09 16:19:55,579 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:19:55,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:19:55,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1921888089, now seen corresponding path program 21 times [2020-11-09 16:19:55,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:19:55,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665580250] [2020-11-09 16:19:55,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:19:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:19:56,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1491 backedges. 0 proven. 1491 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:19:56,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665580250] [2020-11-09 16:19:56,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021838071] [2020-11-09 16:19:56,246 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:19:57,055 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-11-09 16:19:57,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-09 16:19:57,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 38 conjunts are in the unsatisfiable core [2020-11-09 16:19:57,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:19:57,071 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 91 [2020-11-09 16:19:57,073 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:19:57,138 INFO L625 ElimStorePlain]: treesize reduction 63, result has 28.4 percent of original size [2020-11-09 16:19:57,141 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:19:57,142 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:26, output treesize:4 [2020-11-09 16:19:57,223 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-11-09 16:19:57,223 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:19:57,231 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:19:57,232 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:19:57,232 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-11-09 16:19:57,279 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-11-09 16:19:57,280 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:19:57,290 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:19:57,291 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:19:57,292 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-11-09 16:19:57,375 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-09 16:19:57,396 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:19:57,397 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-11-09 16:19:57,398 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:19:57,438 INFO L625 ElimStorePlain]: treesize reduction 30, result has 50.0 percent of original size [2020-11-09 16:19:57,440 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:19:57,440 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:40, output treesize:16 [2020-11-09 16:19:57,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-09 16:19:57,492 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-11-09 16:19:57,493 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:19:57,507 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:19:57,508 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:19:57,509 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-11-09 16:19:57,519 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-11-09 16:19:57,520 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 16:19:57,522 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 16:19:57,522 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 16:19:57,522 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:1 [2020-11-09 16:19:57,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1491 backedges. 175 proven. 100 refuted. 0 times theorem prover too weak. 1216 trivial. 0 not checked. [2020-11-09 16:19:57,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 16:19:57,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 7] total 30 [2020-11-09 16:19:57,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1427755398] [2020-11-09 16:19:57,557 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:19:57,794 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:20:01,030 INFO L252 McrAutomatonBuilder]: Finished intersection with 322 states and 475 transitions. [2020-11-09 16:20:01,031 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:20:02,407 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:20:02,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-11-09 16:20:02,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:20:02,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-11-09 16:20:02,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=294, Invalid=576, Unknown=0, NotChecked=0, Total=870 [2020-11-09 16:20:02,409 INFO L87 Difference]: Start difference. First operand 964 states and 1811 transitions. Second operand 24 states. [2020-11-09 16:20:02,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:20:02,652 INFO L93 Difference]: Finished difference Result 1040 states and 1952 transitions. [2020-11-09 16:20:02,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-11-09 16:20:02,653 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 167 [2020-11-09 16:20:02,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:20:02,657 INFO L225 Difference]: With dead ends: 1040 [2020-11-09 16:20:02,657 INFO L226 Difference]: Without dead ends: 1040 [2020-11-09 16:20:02,658 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 293 SyntacticMatches, 23 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 386 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=294, Invalid=576, Unknown=0, NotChecked=0, Total=870 [2020-11-09 16:20:02,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2020-11-09 16:20:02,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 1004. [2020-11-09 16:20:02,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1004 states. [2020-11-09 16:20:02,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1885 transitions. [2020-11-09 16:20:02,675 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1885 transitions. Word has length 167 [2020-11-09 16:20:02,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:20:02,676 INFO L481 AbstractCegarLoop]: Abstraction has 1004 states and 1885 transitions. [2020-11-09 16:20:02,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-11-09 16:20:02,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1885 transitions. [2020-11-09 16:20:02,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-11-09 16:20:02,680 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:20:02,680 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:20:02,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-11-09 16:20:02,896 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:20:02,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:20:02,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1405501314, now seen corresponding path program 22 times [2020-11-09 16:20:02,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:20:02,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048065177] [2020-11-09 16:20:02,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:20:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:20:03,178 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2020-11-09 16:20:03,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1639 backedges. 0 proven. 1639 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 16:20:03,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048065177] [2020-11-09 16:20:03,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625995436] [2020-11-09 16:20:03,647 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown