/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread/stack-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 01:18:09,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 01:18:09,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 01:18:10,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 01:18:10,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 01:18:10,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 01:18:10,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 01:18:10,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 01:18:10,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 01:18:10,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 01:18:10,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 01:18:10,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 01:18:10,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 01:18:10,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 01:18:10,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 01:18:10,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 01:18:10,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 01:18:10,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 01:18:10,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 01:18:10,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 01:18:10,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 01:18:10,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 01:18:10,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 01:18:10,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 01:18:10,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 01:18:10,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 01:18:10,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 01:18:10,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 01:18:10,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 01:18:10,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 01:18:10,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 01:18:10,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 01:18:10,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 01:18:10,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 01:18:10,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 01:18:10,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 01:18:10,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 01:18:10,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 01:18:10,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 01:18:10,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 01:18:10,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 01:18:10,096 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 [2020-10-22 01:18:10,141 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 01:18:10,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 01:18:10,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 01:18:10,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 01:18:10,142 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 01:18:10,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 01:18:10,142 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 01:18:10,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 01:18:10,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 01:18:10,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 01:18:10,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 01:18:10,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 01:18:10,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 01:18:10,146 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 01:18:10,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 01:18:10,146 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 01:18:10,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 01:18:10,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 01:18:10,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 01:18:10,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 01:18:10,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 01:18:10,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:18:10,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 01:18:10,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 01:18:10,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 01:18:10,148 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 01:18:10,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 01:18:10,149 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 01:18:10,149 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 01:18:10,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 01:18:10,149 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 01:18:10,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 01:18:10,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 01:18:10,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 01:18:10,435 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 01:18:10,435 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 01:18:10,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-1.i [2020-10-22 01:18:10,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbd13b39d/a92d4a4ce08a490ca65063ec56f46e8d/FLAGe3786620f [2020-10-22 01:18:11,036 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 01:18:11,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-1.i [2020-10-22 01:18:11,061 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbd13b39d/a92d4a4ce08a490ca65063ec56f46e8d/FLAGe3786620f [2020-10-22 01:18:11,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbd13b39d/a92d4a4ce08a490ca65063ec56f46e8d [2020-10-22 01:18:11,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 01:18:11,281 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 01:18:11,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 01:18:11,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 01:18:11,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 01:18:11,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:18:11" (1/1) ... [2020-10-22 01:18:11,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a027caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:11, skipping insertion in model container [2020-10-22 01:18:11,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:18:11" (1/1) ... [2020-10-22 01:18:11,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 01:18:11,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 01:18:11,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:18:11,912 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 01:18:11,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:18:12,121 INFO L208 MainTranslator]: Completed translation [2020-10-22 01:18:12,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:12 WrapperNode [2020-10-22 01:18:12,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 01:18:12,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 01:18:12,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 01:18:12,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 01:18:12,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:12" (1/1) ... [2020-10-22 01:18:12,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:12" (1/1) ... [2020-10-22 01:18:12,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 01:18:12,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 01:18:12,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 01:18:12,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 01:18:12,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:12" (1/1) ... [2020-10-22 01:18:12,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:12" (1/1) ... [2020-10-22 01:18:12,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:12" (1/1) ... [2020-10-22 01:18:12,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:12" (1/1) ... [2020-10-22 01:18:12,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:12" (1/1) ... [2020-10-22 01:18:12,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:12" (1/1) ... [2020-10-22 01:18:12,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:12" (1/1) ... [2020-10-22 01:18:12,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 01:18:12,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 01:18:12,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 01:18:12,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 01:18:12,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:18:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-22 01:18:12,342 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-22 01:18:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-22 01:18:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-22 01:18:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 01:18:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 01:18:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 01:18:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 01:18:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-22 01:18:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 01:18:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 01:18:12,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 01:18:12,346 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 01:18:12,869 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 01:18:12,870 INFO L298 CfgBuilder]: Removed 28 assume(true) statements. [2020-10-22 01:18:12,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:18:12 BoogieIcfgContainer [2020-10-22 01:18:12,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 01:18:12,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 01:18:12,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 01:18:12,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 01:18:12,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 01:18:11" (1/3) ... [2020-10-22 01:18:12,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2115a078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:18:12, skipping insertion in model container [2020-10-22 01:18:12,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:18:12" (2/3) ... [2020-10-22 01:18:12,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2115a078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:18:12, skipping insertion in model container [2020-10-22 01:18:12,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:18:12" (3/3) ... [2020-10-22 01:18:12,885 INFO L111 eAbstractionObserver]: Analyzing ICFG stack-1.i [2020-10-22 01:18:12,897 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 01:18:12,898 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 01:18:12,908 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-22 01:18:12,909 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 01:18:12,961 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,961 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,961 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,962 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,962 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,962 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,962 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,963 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,963 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,963 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,963 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,964 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,964 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,964 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,964 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,964 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,964 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,965 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,965 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,965 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,965 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,965 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,965 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,966 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,966 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,966 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,966 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,966 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,967 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,967 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,967 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,967 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,967 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,968 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,968 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,968 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,968 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,968 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,969 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,969 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,969 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,969 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,969 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,970 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,970 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,970 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,970 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,971 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,971 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,971 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,971 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,971 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,972 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,972 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,972 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,972 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,973 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,973 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,973 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,973 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,974 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,974 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,974 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,974 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,975 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,975 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,975 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,975 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,975 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,976 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,976 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,976 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,977 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,977 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,978 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,978 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,978 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,978 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,980 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,980 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,980 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,980 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,980 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,981 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,981 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,981 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,981 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,981 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,982 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,982 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,982 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,982 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,982 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,983 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,983 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,983 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,983 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,983 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,984 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,984 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,984 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,984 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,985 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,985 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,985 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,985 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,985 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,987 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,988 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,989 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,989 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,989 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,989 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,993 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,993 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,994 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,994 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,994 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,994 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,994 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,995 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,995 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,995 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,995 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,995 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,996 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,996 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,996 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,996 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,996 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,997 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,997 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:12,997 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,003 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,003 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,003 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,004 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,004 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,004 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,004 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,004 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,005 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,005 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,005 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,005 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,005 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,006 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,006 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,006 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,006 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,006 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,007 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,007 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,007 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,007 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,007 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,008 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,008 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:18:13,014 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-22 01:18:13,028 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-22 01:18:13,047 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 01:18:13,047 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 01:18:13,048 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 01:18:13,048 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 01:18:13,048 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 01:18:13,048 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 01:18:13,048 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 01:18:13,048 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 01:18:13,064 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 01:18:13,065 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 156 transitions, 334 flow [2020-10-22 01:18:13,067 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 149 places, 156 transitions, 334 flow [2020-10-22 01:18:13,069 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 149 places, 156 transitions, 334 flow [2020-10-22 01:18:13,141 INFO L129 PetriNetUnfolder]: 13/156 cut-off events. [2020-10-22 01:18:13,141 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-22 01:18:13,148 INFO L80 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 156 events. 13/156 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 397 event pairs, 0 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 116. Up to 3 conditions per place. [2020-10-22 01:18:13,155 INFO L116 LiptonReduction]: Number of co-enabled transitions 6874 [2020-10-22 01:18:15,939 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-22 01:18:16,093 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-22 01:18:17,055 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 146 [2020-10-22 01:18:17,507 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-22 01:18:17,523 INFO L131 LiptonReduction]: Checked pairs total: 12312 [2020-10-22 01:18:17,523 INFO L133 LiptonReduction]: Total number of compositions: 152 [2020-10-22 01:18:17,529 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 41 transitions, 104 flow [2020-10-22 01:18:17,556 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 354 states. [2020-10-22 01:18:17,558 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states. [2020-10-22 01:18:17,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-22 01:18:17,565 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:18:17,565 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-22 01:18:17,566 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:18:17,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:18:17,572 INFO L82 PathProgramCache]: Analyzing trace with hash 2111258440, now seen corresponding path program 1 times [2020-10-22 01:18:17,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:18:17,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093851001] [2020-10-22 01:18:17,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:18:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:17,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:17,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093851001] [2020-10-22 01:18:17,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:18:17,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:18:17,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [320501198] [2020-10-22 01:18:17,843 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:18:17,845 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:18:17,858 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-22 01:18:17,859 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:18:17,863 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:18:17,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:18:17,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:18:17,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:18:17,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:18:17,880 INFO L87 Difference]: Start difference. First operand 354 states. Second operand 3 states. [2020-10-22 01:18:17,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:18:17,952 INFO L93 Difference]: Finished difference Result 548 states and 1356 transitions. [2020-10-22 01:18:17,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:18:17,954 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-22 01:18:17,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:18:17,975 INFO L225 Difference]: With dead ends: 548 [2020-10-22 01:18:17,975 INFO L226 Difference]: Without dead ends: 499 [2020-10-22 01:18:17,976 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 [2020-10-22 01:18:18,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-10-22 01:18:18,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 459. [2020-10-22 01:18:18,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2020-10-22 01:18:18,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 1193 transitions. [2020-10-22 01:18:18,107 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 1193 transitions. Word has length 6 [2020-10-22 01:18:18,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:18:18,108 INFO L481 AbstractCegarLoop]: Abstraction has 459 states and 1193 transitions. [2020-10-22 01:18:18,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:18:18,108 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 1193 transitions. [2020-10-22 01:18:18,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 01:18:18,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:18:18,110 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:18:18,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 01:18:18,111 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:18:18,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:18:18,111 INFO L82 PathProgramCache]: Analyzing trace with hash -503248650, now seen corresponding path program 1 times [2020-10-22 01:18:18,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:18:18,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857343910] [2020-10-22 01:18:18,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:18:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:18,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:18,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857343910] [2020-10-22 01:18:18,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:18:18,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:18:18,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [80118900] [2020-10-22 01:18:18,197 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:18:18,198 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:18:18,200 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-22 01:18:18,200 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:18:18,200 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:18:18,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:18:18,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:18:18,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:18:18,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:18:18,203 INFO L87 Difference]: Start difference. First operand 459 states and 1193 transitions. Second operand 3 states. [2020-10-22 01:18:18,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:18:18,218 INFO L93 Difference]: Finished difference Result 507 states and 1313 transitions. [2020-10-22 01:18:18,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:18:18,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-22 01:18:18,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:18:18,223 INFO L225 Difference]: With dead ends: 507 [2020-10-22 01:18:18,223 INFO L226 Difference]: Without dead ends: 507 [2020-10-22 01:18:18,224 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 [2020-10-22 01:18:18,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2020-10-22 01:18:18,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 507. [2020-10-22 01:18:18,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2020-10-22 01:18:18,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 1313 transitions. [2020-10-22 01:18:18,262 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 1313 transitions. Word has length 10 [2020-10-22 01:18:18,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:18:18,263 INFO L481 AbstractCegarLoop]: Abstraction has 507 states and 1313 transitions. [2020-10-22 01:18:18,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:18:18,263 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 1313 transitions. [2020-10-22 01:18:18,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 01:18:18,265 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:18:18,265 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:18:18,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 01:18:18,266 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:18:18,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:18:18,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1451634146, now seen corresponding path program 1 times [2020-10-22 01:18:18,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:18:18,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032750863] [2020-10-22 01:18:18,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:18:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:18,384 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:18,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032750863] [2020-10-22 01:18:18,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900252189] [2020-10-22 01:18:18,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:18:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:18,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-22 01:18:18,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:18:18,525 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:18,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:18:18,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-10-22 01:18:18,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [614620809] [2020-10-22 01:18:18,526 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:18:18,528 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:18:18,531 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2020-10-22 01:18:18,531 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:18:18,531 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:18:18,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 01:18:18,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:18:18,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 01:18:18,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-22 01:18:18,532 INFO L87 Difference]: Start difference. First operand 507 states and 1313 transitions. Second operand 5 states. [2020-10-22 01:18:18,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:18:18,611 INFO L93 Difference]: Finished difference Result 843 states and 2118 transitions. [2020-10-22 01:18:18,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 01:18:18,611 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-22 01:18:18,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:18:18,618 INFO L225 Difference]: With dead ends: 843 [2020-10-22 01:18:18,618 INFO L226 Difference]: Without dead ends: 843 [2020-10-22 01:18:18,618 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-22 01:18:18,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2020-10-22 01:18:18,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 645. [2020-10-22 01:18:18,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-10-22 01:18:18,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 1688 transitions. [2020-10-22 01:18:18,646 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 1688 transitions. Word has length 13 [2020-10-22 01:18:18,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:18:18,647 INFO L481 AbstractCegarLoop]: Abstraction has 645 states and 1688 transitions. [2020-10-22 01:18:18,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 01:18:18,647 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1688 transitions. [2020-10-22 01:18:18,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-22 01:18:18,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:18:18,650 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:18:18,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-22 01:18:18,864 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:18:18,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:18:18,865 INFO L82 PathProgramCache]: Analyzing trace with hash -72297809, now seen corresponding path program 1 times [2020-10-22 01:18:18,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:18:18,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836594764] [2020-10-22 01:18:18,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:18:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:18,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:18,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836594764] [2020-10-22 01:18:18,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:18:18,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:18:18,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1450464920] [2020-10-22 01:18:18,945 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:18:18,948 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:18:18,952 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 24 transitions. [2020-10-22 01:18:18,952 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:18:18,961 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:18:18,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:18:18,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:18:18,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:18:18,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:18:18,963 INFO L87 Difference]: Start difference. First operand 645 states and 1688 transitions. Second operand 3 states. [2020-10-22 01:18:18,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:18:18,988 INFO L93 Difference]: Finished difference Result 324 states and 716 transitions. [2020-10-22 01:18:18,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:18:18,988 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-22 01:18:18,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:18:18,990 INFO L225 Difference]: With dead ends: 324 [2020-10-22 01:18:18,991 INFO L226 Difference]: Without dead ends: 320 [2020-10-22 01:18:18,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:18:18,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-10-22 01:18:18,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 308. [2020-10-22 01:18:18,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-10-22 01:18:19,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 678 transitions. [2020-10-22 01:18:19,000 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 678 transitions. Word has length 16 [2020-10-22 01:18:19,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:18:19,001 INFO L481 AbstractCegarLoop]: Abstraction has 308 states and 678 transitions. [2020-10-22 01:18:19,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:18:19,002 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 678 transitions. [2020-10-22 01:18:19,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 01:18:19,003 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:18:19,003 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:18:19,003 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 01:18:19,004 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:18:19,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:18:19,004 INFO L82 PathProgramCache]: Analyzing trace with hash -171241883, now seen corresponding path program 1 times [2020-10-22 01:18:19,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:18:19,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179745549] [2020-10-22 01:18:19,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:18:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:19,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:19,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179745549] [2020-10-22 01:18:19,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:18:19,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:18:19,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1746874521] [2020-10-22 01:18:19,057 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:18:19,059 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:18:19,092 INFO L252 McrAutomatonBuilder]: Finished intersection with 38 states and 57 transitions. [2020-10-22 01:18:19,093 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:18:19,118 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:18:19,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:18:19,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:18:19,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:18:19,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:18:19,119 INFO L87 Difference]: Start difference. First operand 308 states and 678 transitions. Second operand 3 states. [2020-10-22 01:18:19,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:18:19,160 INFO L93 Difference]: Finished difference Result 393 states and 860 transitions. [2020-10-22 01:18:19,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:18:19,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-22 01:18:19,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:18:19,164 INFO L225 Difference]: With dead ends: 393 [2020-10-22 01:18:19,164 INFO L226 Difference]: Without dead ends: 386 [2020-10-22 01:18:19,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:18:19,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2020-10-22 01:18:19,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 319. [2020-10-22 01:18:19,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-10-22 01:18:19,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 697 transitions. [2020-10-22 01:18:19,175 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 697 transitions. Word has length 17 [2020-10-22 01:18:19,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:18:19,176 INFO L481 AbstractCegarLoop]: Abstraction has 319 states and 697 transitions. [2020-10-22 01:18:19,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:18:19,176 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 697 transitions. [2020-10-22 01:18:19,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-22 01:18:19,177 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:18:19,178 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-22 01:18:19,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 01:18:19,178 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:18:19,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:18:19,178 INFO L82 PathProgramCache]: Analyzing trace with hash -750486008, now seen corresponding path program 2 times [2020-10-22 01:18:19,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:18:19,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658496470] [2020-10-22 01:18:19,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:18:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:19,304 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:19,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658496470] [2020-10-22 01:18:19,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013690453] [2020-10-22 01:18:19,305 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 [2020-10-22 01:18:19,393 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-22 01:18:19,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:18:19,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-22 01:18:19,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:18:19,445 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:19,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:18:19,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-10-22 01:18:19,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1344013428] [2020-10-22 01:18:19,447 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:18:19,451 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:18:19,456 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 20 transitions. [2020-10-22 01:18:19,457 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:18:19,457 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:18:19,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 01:18:19,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:18:19,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 01:18:19,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-22 01:18:19,459 INFO L87 Difference]: Start difference. First operand 319 states and 697 transitions. Second operand 7 states. [2020-10-22 01:18:19,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:18:19,549 INFO L93 Difference]: Finished difference Result 534 states and 1150 transitions. [2020-10-22 01:18:19,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-22 01:18:19,550 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-10-22 01:18:19,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:18:19,554 INFO L225 Difference]: With dead ends: 534 [2020-10-22 01:18:19,554 INFO L226 Difference]: Without dead ends: 534 [2020-10-22 01:18:19,555 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-22 01:18:19,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2020-10-22 01:18:19,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 396. [2020-10-22 01:18:19,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2020-10-22 01:18:19,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 868 transitions. [2020-10-22 01:18:19,568 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 868 transitions. Word has length 20 [2020-10-22 01:18:19,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:18:19,569 INFO L481 AbstractCegarLoop]: Abstraction has 396 states and 868 transitions. [2020-10-22 01:18:19,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 01:18:19,569 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 868 transitions. [2020-10-22 01:18:19,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-22 01:18:19,570 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:18:19,570 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] [2020-10-22 01:18:19,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:18:19,782 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:18:19,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:18:19,783 INFO L82 PathProgramCache]: Analyzing trace with hash -485132574, now seen corresponding path program 1 times [2020-10-22 01:18:19,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:18:19,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130131223] [2020-10-22 01:18:19,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:18:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:20,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:20,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130131223] [2020-10-22 01:18:20,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:18:20,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-22 01:18:20,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1050748478] [2020-10-22 01:18:20,251 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:18:20,254 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:18:20,261 INFO L252 McrAutomatonBuilder]: Finished intersection with 42 states and 61 transitions. [2020-10-22 01:18:20,261 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:18:20,663 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2020-10-22 01:18:20,906 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:18:20,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-22 01:18:20,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:18:20,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-22 01:18:20,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-10-22 01:18:20,907 INFO L87 Difference]: Start difference. First operand 396 states and 868 transitions. Second operand 15 states. [2020-10-22 01:18:22,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:18:22,297 INFO L93 Difference]: Finished difference Result 684 states and 1462 transitions. [2020-10-22 01:18:22,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-22 01:18:22,297 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 21 [2020-10-22 01:18:22,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:18:22,301 INFO L225 Difference]: With dead ends: 684 [2020-10-22 01:18:22,301 INFO L226 Difference]: Without dead ends: 586 [2020-10-22 01:18:22,302 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 16 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=152, Invalid=718, Unknown=0, NotChecked=0, Total=870 [2020-10-22 01:18:22,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2020-10-22 01:18:22,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 432. [2020-10-22 01:18:22,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-10-22 01:18:22,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 942 transitions. [2020-10-22 01:18:22,315 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 942 transitions. Word has length 21 [2020-10-22 01:18:22,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:18:22,315 INFO L481 AbstractCegarLoop]: Abstraction has 432 states and 942 transitions. [2020-10-22 01:18:22,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-22 01:18:22,316 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 942 transitions. [2020-10-22 01:18:22,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-22 01:18:22,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:18:22,317 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2020-10-22 01:18:22,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-22 01:18:22,318 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:18:22,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:18:22,318 INFO L82 PathProgramCache]: Analyzing trace with hash -298264798, now seen corresponding path program 3 times [2020-10-22 01:18:22,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:18:22,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131920597] [2020-10-22 01:18:22,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:18:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:22,466 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:22,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131920597] [2020-10-22 01:18:22,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887056301] [2020-10-22 01:18:22,467 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 [2020-10-22 01:18:22,574 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-22 01:18:22,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:18:22,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-22 01:18:22,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:18:22,610 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:22,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 01:18:22,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2020-10-22 01:18:22,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [558938368] [2020-10-22 01:18:22,611 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:18:22,616 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:18:22,624 INFO L252 McrAutomatonBuilder]: Finished intersection with 28 states and 27 transitions. [2020-10-22 01:18:22,624 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:18:22,625 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:18:22,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-22 01:18:22,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:18:22,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-22 01:18:22,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-22 01:18:22,626 INFO L87 Difference]: Start difference. First operand 432 states and 942 transitions. Second operand 9 states. [2020-10-22 01:18:22,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:18:22,717 INFO L93 Difference]: Finished difference Result 768 states and 1636 transitions. [2020-10-22 01:18:22,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-22 01:18:22,717 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2020-10-22 01:18:22,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:18:22,721 INFO L225 Difference]: With dead ends: 768 [2020-10-22 01:18:22,721 INFO L226 Difference]: Without dead ends: 768 [2020-10-22 01:18:22,722 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2020-10-22 01:18:22,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-10-22 01:18:22,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 525. [2020-10-22 01:18:22,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2020-10-22 01:18:22,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 1157 transitions. [2020-10-22 01:18:22,737 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 1157 transitions. Word has length 27 [2020-10-22 01:18:22,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:18:22,738 INFO L481 AbstractCegarLoop]: Abstraction has 525 states and 1157 transitions. [2020-10-22 01:18:22,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-22 01:18:22,738 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 1157 transitions. [2020-10-22 01:18:22,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-22 01:18:22,739 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:18:22,739 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] [2020-10-22 01:18:22,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:18:22,953 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:18:22,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:18:22,953 INFO L82 PathProgramCache]: Analyzing trace with hash 56373942, now seen corresponding path program 2 times [2020-10-22 01:18:22,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:18:22,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631751911] [2020-10-22 01:18:22,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:18:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:18:23,341 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:18:23,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631751911] [2020-10-22 01:18:23,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506149005] [2020-10-22 01:18:23,342 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 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 [2020-10-22 01:18:23,422 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-10-22 01:18:23,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:18:23,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 43 conjunts are in the unsatisfiable core [2020-10-22 01:18:23,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:18:23,701 INFO L384 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 22 treesize of output 18 [2020-10-22 01:18:23,702 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 01:18:23,738 INFO L625 ElimStorePlain]: treesize reduction 14, result has 78.5 percent of original size [2020-10-22 01:18:23,747 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-22 01:18:23,748 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:69, output treesize:57 [2020-10-22 01:18:24,237 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-22 01:18:24,269 INFO L384 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 80 treesize of output 32 [2020-10-22 01:18:24,428 INFO L721 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-22 01:18:24,804 INFO L721 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-22 01:18:25,778 INFO L721 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-22 01:18:27,268 INFO L721 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-22 01:18:28,813 INFO L721 QuantifierPusher]: Run 50 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-22 01:18:30,810 INFO L721 QuantifierPusher]: Run 60 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-22 01:18:32,913 INFO L721 QuantifierPusher]: Run 70 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-22 01:18:34,911 INFO L721 QuantifierPusher]: Run 80 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-22 01:18:37,002 INFO L721 QuantifierPusher]: Run 90 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-22 01:18:39,134 INFO L721 QuantifierPusher]: Run 100 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-22 01:18:39,911 INFO L721 QuantifierPusher]: Run 110 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. Received shutdown request... [2020-10-22 01:22:41,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:22:41,163 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-22 01:22:41,166 WARN L235 ceAbstractionStarter]: Timeout [2020-10-22 01:22:41,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 01:22:41 BasicIcfg [2020-10-22 01:22:41,168 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 01:22:41,170 INFO L168 Benchmark]: Toolchain (without parser) took 269894.08 ms. Allocated memory was 140.0 MB in the beginning and 375.9 MB in the end (delta: 235.9 MB). Free memory was 101.5 MB in the beginning and 206.0 MB in the end (delta: -104.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-10-22 01:22:41,180 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-22 01:22:41,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 841.23 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 100.4 MB in the beginning and 131.5 MB in the end (delta: -31.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. [2020-10-22 01:22:41,186 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.47 ms. Allocated memory is still 203.9 MB. Free memory was 131.5 MB in the beginning and 128.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-22 01:22:41,186 INFO L168 Benchmark]: Boogie Preprocessor took 34.04 ms. Allocated memory is still 203.9 MB. Free memory was 128.7 MB in the beginning and 126.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-10-22 01:22:41,187 INFO L168 Benchmark]: RCFGBuilder took 611.61 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 126.7 MB in the beginning and 207.3 MB in the end (delta: -80.7 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. [2020-10-22 01:22:41,188 INFO L168 Benchmark]: TraceAbstraction took 268292.99 ms. Allocated memory was 235.9 MB in the beginning and 375.9 MB in the end (delta: 140.0 MB). Free memory was 207.3 MB in the beginning and 206.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-10-22 01:22:41,197 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 841.23 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 100.4 MB in the beginning and 131.5 MB in the end (delta: -31.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 103.47 ms. Allocated memory is still 203.9 MB. Free memory was 131.5 MB in the beginning and 128.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.04 ms. Allocated memory is still 203.9 MB. Free memory was 128.7 MB in the beginning and 126.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 611.61 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 126.7 MB in the beginning and 207.3 MB in the end (delta: -80.7 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 268292.99 ms. Allocated memory was 235.9 MB in the beginning and 375.9 MB in the end (delta: 140.0 MB). Free memory was 207.3 MB in the beginning and 206.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3967 VarBasedMoverChecksPositive, 64 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 202 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.4s, 149 PlacesBefore, 41 PlacesAfterwards, 156 TransitionsBefore, 41 TransitionsAfterwards, 6874 CoEnabledTransitionPairs, 6 FixpointIterations, 34 TrivialSequentialCompositions, 83 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 28 ConcurrentYvCompositions, 7 ChoiceCompositions, 152 TotalNumberOfCompositions, 12312 MoverChecksTotal - TimeoutResultAtElement [Line: 12]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 12). Cancelled while BasicCegarLoop was analyzing trace of length 29 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - TimeoutResultAtElement [Line: 12]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 12). Cancelled while BasicCegarLoop was analyzing trace of length 29 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 143 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 268.1s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.5s, HoareTripleCheckerStatistics: 371 SDtfs, 455 SDslu, 1173 SDs, 0 SdLazy, 964 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 163 GetRequests, 100 SyntacticMatches, 4 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=645occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 852 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 15035 SizeOfPredicates, 9 NumberOfNonLiveVariables, 660 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 12/92 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown