/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-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-06 01:14:24,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 01:14:24,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 01:14:24,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 01:14:24,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 01:14:24,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 01:14:24,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 01:14:24,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 01:14:24,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 01:14:24,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 01:14:24,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 01:14:24,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 01:14:24,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 01:14:24,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 01:14:24,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 01:14:24,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 01:14:24,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 01:14:24,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 01:14:24,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 01:14:24,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 01:14:24,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 01:14:24,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 01:14:24,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 01:14:24,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 01:14:24,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-06 01:14:24,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 01:14:24,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 01:14:24,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 01:14:24,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 01:14:24,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 01:14:24,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 01:14:24,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 01:14:24,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 01:14:24,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 01:14:24,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 01:14:24,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 01:14:24,216 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-WP.epf [2020-10-06 01:14:24,238 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 01:14:24,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 01:14:24,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 01:14:24,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 01:14:24,240 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 01:14:24,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 01:14:24,241 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 01:14:24,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 01:14:24,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 01:14:24,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 01:14:24,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 01:14:24,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 01:14:24,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 01:14:24,242 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 01:14:24,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 01:14:24,242 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 01:14:24,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 01:14:24,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 01:14:24,243 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 01:14:24,243 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 01:14:24,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 01:14:24,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 01:14:24,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 01:14:24,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-06 01:14:24,244 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 01:14:24,244 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 01:14:24,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 01:14:24,245 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-06 01:14:24,245 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-06 01:14:24,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 01:14:24,245 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-06 01:14:24,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 01:14:24,574 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 01:14:24,577 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 01:14:24,578 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-06 01:14:24,579 INFO L275 PluginConnector]: CDTParser initialized [2020-10-06 01:14:24,580 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_rmo.opt.i [2020-10-06 01:14:24,641 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/645cbd7a4/8642bedbb33d453f8f1f2ddee7364f8a/FLAG87090d91d [2020-10-06 01:14:25,185 INFO L306 CDTParser]: Found 1 translation units. [2020-10-06 01:14:25,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_rmo.opt.i [2020-10-06 01:14:25,202 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/645cbd7a4/8642bedbb33d453f8f1f2ddee7364f8a/FLAG87090d91d [2020-10-06 01:14:25,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/645cbd7a4/8642bedbb33d453f8f1f2ddee7364f8a [2020-10-06 01:14:25,481 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 01:14:25,483 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-06 01:14:25,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-06 01:14:25,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-06 01:14:25,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-06 01:14:25,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 01:14:25" (1/1) ... [2020-10-06 01:14:25,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f91e9a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:25, skipping insertion in model container [2020-10-06 01:14:25,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 01:14:25" (1/1) ... [2020-10-06 01:14:25,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-06 01:14:25,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-06 01:14:26,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 01:14:26,079 INFO L203 MainTranslator]: Completed pre-run [2020-10-06 01:14:26,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 01:14:26,257 INFO L208 MainTranslator]: Completed translation [2020-10-06 01:14:26,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:26 WrapperNode [2020-10-06 01:14:26,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-06 01:14:26,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 01:14:26,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 01:14:26,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 01:14:26,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:26" (1/1) ... [2020-10-06 01:14:26,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:26" (1/1) ... [2020-10-06 01:14:26,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 01:14:26,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 01:14:26,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 01:14:26,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 01:14:26,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:26" (1/1) ... [2020-10-06 01:14:26,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:26" (1/1) ... [2020-10-06 01:14:26,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:26" (1/1) ... [2020-10-06 01:14:26,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:26" (1/1) ... [2020-10-06 01:14:26,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:26" (1/1) ... [2020-10-06 01:14:26,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:26" (1/1) ... [2020-10-06 01:14:26,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:26" (1/1) ... [2020-10-06 01:14:26,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 01:14:26,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 01:14:26,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 01:14:26,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 01:14:26,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:26" (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 [2020-10-06 01:14:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-06 01:14:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-06 01:14:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-06 01:14:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-06 01:14:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-06 01:14:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-06 01:14:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-06 01:14:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-06 01:14:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-06 01:14:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-06 01:14:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-06 01:14:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-06 01:14:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-06 01:14:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-06 01:14:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-06 01:14:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 01:14:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 01:14:26,448 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 01:14:28,414 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 01:14:28,415 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-06 01:14:28,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 01:14:28 BoogieIcfgContainer [2020-10-06 01:14:28,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 01:14:28,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 01:14:28,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 01:14:28,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 01:14:28,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 01:14:25" (1/3) ... [2020-10-06 01:14:28,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6154dbd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 01:14:28, skipping insertion in model container [2020-10-06 01:14:28,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:26" (2/3) ... [2020-10-06 01:14:28,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6154dbd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 01:14:28, skipping insertion in model container [2020-10-06 01:14:28,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 01:14:28" (3/3) ... [2020-10-06 01:14:28,425 INFO L109 eAbstractionObserver]: Analyzing ICFG thin002_rmo.opt.i [2020-10-06 01:14:28,435 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 01:14:28,436 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-06 01:14:28,444 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 01:14:28,445 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 01:14:28,482 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,482 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,483 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,483 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,483 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,484 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,484 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,484 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,484 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,484 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,484 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,485 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,485 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,485 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,485 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,485 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,488 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,488 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,488 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,488 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,488 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,488 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,489 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,489 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,489 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,489 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,489 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,490 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,490 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,490 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,490 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,490 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,490 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,491 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,491 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,491 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,491 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,493 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,494 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,494 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,494 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,495 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,495 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,495 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,496 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,496 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,497 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,497 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,497 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,497 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,498 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,498 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,498 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,498 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,498 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,499 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,499 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,499 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,499 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,500 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,500 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,504 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,505 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,505 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,505 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,505 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,505 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,506 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,506 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,506 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,506 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,506 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,511 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,511 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,511 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,512 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,512 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,512 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,512 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,512 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,513 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,513 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,513 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,513 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,513 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,514 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,514 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,514 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,514 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,514 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,515 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,515 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,515 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,515 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,515 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,516 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,516 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,516 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,516 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,516 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,517 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,517 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,517 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,521 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,522 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,522 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,522 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,523 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,524 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:28,539 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-06 01:14:28,561 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 01:14:28,561 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 01:14:28,561 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 01:14:28,561 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 01:14:28,561 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 01:14:28,562 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 01:14:28,562 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 01:14:28,562 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 01:14:28,579 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 139 places, 128 transitions, 276 flow [2020-10-06 01:14:28,582 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 139 places, 128 transitions, 276 flow [2020-10-06 01:14:28,643 INFO L129 PetriNetUnfolder]: 2/124 cut-off events. [2020-10-06 01:14:28,643 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 01:14:28,649 INFO L80 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 124 events. 2/124 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2020-10-06 01:14:28,654 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 139 places, 128 transitions, 276 flow [2020-10-06 01:14:28,684 INFO L129 PetriNetUnfolder]: 2/124 cut-off events. [2020-10-06 01:14:28,685 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 01:14:28,686 INFO L80 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 124 events. 2/124 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2020-10-06 01:14:28,690 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2156 [2020-10-06 01:14:28,691 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 01:14:30,309 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 238 DAG size of output: 198 [2020-10-06 01:14:30,368 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-06 01:14:30,368 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-06 01:14:31,306 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2020-10-06 01:14:31,976 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 72 [2020-10-06 01:14:31,983 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 4, 2, 1] term [2020-10-06 01:14:31,983 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-06 01:14:31,985 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-10-06 01:14:31,985 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-06 01:14:32,091 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-06 01:14:32,730 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-06 01:14:32,835 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-06 01:14:33,363 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2020-10-06 01:14:34,127 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-10-06 01:14:34,678 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2020-10-06 01:14:35,383 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 148 [2020-10-06 01:14:35,657 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-06 01:14:35,666 INFO L206 etLargeBlockEncoding]: Checked pairs total: 5053 [2020-10-06 01:14:35,667 INFO L214 etLargeBlockEncoding]: Total number of compositions: 111 [2020-10-06 01:14:35,671 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 42 places, 29 transitions, 78 flow [2020-10-06 01:14:35,774 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1770 states. [2020-10-06 01:14:35,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states. [2020-10-06 01:14:35,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-06 01:14:35,789 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:14:35,790 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:14:35,790 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:14:35,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:14:35,797 INFO L82 PathProgramCache]: Analyzing trace with hash 696180422, now seen corresponding path program 1 times [2020-10-06 01:14:35,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:14:35,823 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363218688] [2020-10-06 01:14:35,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:14:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:14:36,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:14:36,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363218688] [2020-10-06 01:14:36,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:14:36,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 01:14:36,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2020558167] [2020-10-06 01:14:36,149 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:14:36,153 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:14:36,173 INFO L258 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-10-06 01:14:36,173 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:14:36,179 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:14:36,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:14:36,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:14:36,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:14:36,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:14:36,199 INFO L87 Difference]: Start difference. First operand 1770 states. Second operand 3 states. [2020-10-06 01:14:36,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:14:36,265 INFO L93 Difference]: Finished difference Result 1690 states and 6328 transitions. [2020-10-06 01:14:36,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:14:36,267 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-06 01:14:36,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:14:36,299 INFO L225 Difference]: With dead ends: 1690 [2020-10-06 01:14:36,300 INFO L226 Difference]: Without dead ends: 1370 [2020-10-06 01:14:36,301 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:14:36,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2020-10-06 01:14:36,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1370. [2020-10-06 01:14:36,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1370 states. [2020-10-06 01:14:36,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1370 states and 5032 transitions. [2020-10-06 01:14:36,479 INFO L78 Accepts]: Start accepts. Automaton has 1370 states and 5032 transitions. Word has length 11 [2020-10-06 01:14:36,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:14:36,481 INFO L479 AbstractCegarLoop]: Abstraction has 1370 states and 5032 transitions. [2020-10-06 01:14:36,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:14:36,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 5032 transitions. [2020-10-06 01:14:36,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-06 01:14:36,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:14:36,485 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:14:36,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-06 01:14:36,486 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:14:36,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:14:36,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1213272098, now seen corresponding path program 1 times [2020-10-06 01:14:36,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:14:36,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527897030] [2020-10-06 01:14:36,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:14:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:14:36,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:14:36,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527897030] [2020-10-06 01:14:36,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:14:36,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 01:14:36,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [941968718] [2020-10-06 01:14:36,577 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:14:36,579 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:14:36,583 INFO L258 McrAutomatonBuilder]: Finished intersection with 19 states and 24 transitions. [2020-10-06 01:14:36,583 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:14:36,683 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:14:36,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 01:14:36,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:14:36,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 01:14:36,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:14:36,686 INFO L87 Difference]: Start difference. First operand 1370 states and 5032 transitions. Second operand 4 states. [2020-10-06 01:14:36,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:14:36,729 INFO L93 Difference]: Finished difference Result 1670 states and 5910 transitions. [2020-10-06 01:14:36,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-06 01:14:36,730 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-06 01:14:36,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:14:36,738 INFO L225 Difference]: With dead ends: 1670 [2020-10-06 01:14:36,738 INFO L226 Difference]: Without dead ends: 830 [2020-10-06 01:14:36,739 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:14:36,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2020-10-06 01:14:36,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 830. [2020-10-06 01:14:36,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 830 states. [2020-10-06 01:14:36,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 2792 transitions. [2020-10-06 01:14:36,773 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 2792 transitions. Word has length 12 [2020-10-06 01:14:36,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:14:36,773 INFO L479 AbstractCegarLoop]: Abstraction has 830 states and 2792 transitions. [2020-10-06 01:14:36,774 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 01:14:36,774 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 2792 transitions. [2020-10-06 01:14:36,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-06 01:14:36,780 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:14:36,780 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:14:36,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-06 01:14:36,780 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:14:36,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:14:36,781 INFO L82 PathProgramCache]: Analyzing trace with hash -2074798818, now seen corresponding path program 1 times [2020-10-06 01:14:36,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:14:36,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987911882] [2020-10-06 01:14:36,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:14:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:14:36,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:14:36,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987911882] [2020-10-06 01:14:36,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:14:36,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 01:14:36,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [705198406] [2020-10-06 01:14:36,900 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:14:36,902 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:14:36,908 INFO L258 McrAutomatonBuilder]: Finished intersection with 29 states and 42 transitions. [2020-10-06 01:14:36,909 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:14:36,972 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:14:36,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:14:36,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:14:36,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:14:36,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:14:36,974 INFO L87 Difference]: Start difference. First operand 830 states and 2792 transitions. Second operand 3 states. [2020-10-06 01:14:36,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:14:36,988 INFO L93 Difference]: Finished difference Result 800 states and 2673 transitions. [2020-10-06 01:14:36,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:14:36,988 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-10-06 01:14:36,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:14:36,995 INFO L225 Difference]: With dead ends: 800 [2020-10-06 01:14:36,995 INFO L226 Difference]: Without dead ends: 800 [2020-10-06 01:14:36,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:14:37,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-10-06 01:14:37,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 800. [2020-10-06 01:14:37,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 800 states. [2020-10-06 01:14:37,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 2673 transitions. [2020-10-06 01:14:37,026 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 2673 transitions. Word has length 14 [2020-10-06 01:14:37,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:14:37,027 INFO L479 AbstractCegarLoop]: Abstraction has 800 states and 2673 transitions. [2020-10-06 01:14:37,027 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:14:37,027 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 2673 transitions. [2020-10-06 01:14:37,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-06 01:14:37,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:14:37,029 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:14:37,029 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-06 01:14:37,029 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:14:37,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:14:37,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1712268104, now seen corresponding path program 1 times [2020-10-06 01:14:37,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:14:37,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634305286] [2020-10-06 01:14:37,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:14:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:14:37,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:14:37,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634305286] [2020-10-06 01:14:37,118 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:14:37,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 01:14:37,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [6766637] [2020-10-06 01:14:37,119 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:14:37,124 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:14:37,133 INFO L258 McrAutomatonBuilder]: Finished intersection with 44 states and 79 transitions. [2020-10-06 01:14:37,133 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:14:37,276 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:14:37,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 01:14:37,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:14:37,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 01:14:37,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:14:37,277 INFO L87 Difference]: Start difference. First operand 800 states and 2673 transitions. Second operand 4 states. [2020-10-06 01:14:37,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:14:37,312 INFO L93 Difference]: Finished difference Result 974 states and 3182 transitions. [2020-10-06 01:14:37,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-06 01:14:37,313 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-06 01:14:37,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:14:37,317 INFO L225 Difference]: With dead ends: 974 [2020-10-06 01:14:37,317 INFO L226 Difference]: Without dead ends: 464 [2020-10-06 01:14:37,317 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:14:37,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-10-06 01:14:37,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2020-10-06 01:14:37,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-10-06 01:14:37,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 1408 transitions. [2020-10-06 01:14:37,336 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 1408 transitions. Word has length 15 [2020-10-06 01:14:37,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:14:37,336 INFO L479 AbstractCegarLoop]: Abstraction has 464 states and 1408 transitions. [2020-10-06 01:14:37,336 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 01:14:37,337 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1408 transitions. [2020-10-06 01:14:37,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-06 01:14:37,338 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:14:37,338 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:14:37,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-06 01:14:37,339 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:14:37,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:14:37,339 INFO L82 PathProgramCache]: Analyzing trace with hash 2092573734, now seen corresponding path program 1 times [2020-10-06 01:14:37,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:14:37,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018972463] [2020-10-06 01:14:37,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:14:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:14:37,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:14:37,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018972463] [2020-10-06 01:14:37,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:14:37,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 01:14:37,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1343073164] [2020-10-06 01:14:37,395 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:14:37,398 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:14:37,406 INFO L258 McrAutomatonBuilder]: Finished intersection with 41 states and 64 transitions. [2020-10-06 01:14:37,406 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:14:37,483 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:14:37,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:14:37,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:14:37,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:14:37,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:14:37,485 INFO L87 Difference]: Start difference. First operand 464 states and 1408 transitions. Second operand 3 states. [2020-10-06 01:14:37,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:14:37,493 INFO L93 Difference]: Finished difference Result 452 states and 1364 transitions. [2020-10-06 01:14:37,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:14:37,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-06 01:14:37,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:14:37,497 INFO L225 Difference]: With dead ends: 452 [2020-10-06 01:14:37,497 INFO L226 Difference]: Without dead ends: 452 [2020-10-06 01:14:37,498 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:14:37,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2020-10-06 01:14:37,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2020-10-06 01:14:37,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2020-10-06 01:14:37,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 1364 transitions. [2020-10-06 01:14:37,513 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 1364 transitions. Word has length 16 [2020-10-06 01:14:37,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:14:37,513 INFO L479 AbstractCegarLoop]: Abstraction has 452 states and 1364 transitions. [2020-10-06 01:14:37,513 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:14:37,513 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 1364 transitions. [2020-10-06 01:14:37,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-06 01:14:37,515 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:14:37,515 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:14:37,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-06 01:14:37,515 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:14:37,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:14:37,516 INFO L82 PathProgramCache]: Analyzing trace with hash 445198321, now seen corresponding path program 1 times [2020-10-06 01:14:37,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:14:37,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606364408] [2020-10-06 01:14:37,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:14:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:14:37,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:14:37,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606364408] [2020-10-06 01:14:37,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:14:37,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 01:14:37,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1256695176] [2020-10-06 01:14:37,573 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:14:37,577 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:14:37,589 INFO L258 McrAutomatonBuilder]: Finished intersection with 56 states and 101 transitions. [2020-10-06 01:14:37,590 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:14:37,723 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:14:37,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 01:14:37,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:14:37,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 01:14:37,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:14:37,725 INFO L87 Difference]: Start difference. First operand 452 states and 1364 transitions. Second operand 4 states. [2020-10-06 01:14:37,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:14:37,747 INFO L93 Difference]: Finished difference Result 532 states and 1584 transitions. [2020-10-06 01:14:37,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-06 01:14:37,748 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-06 01:14:37,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:14:37,750 INFO L225 Difference]: With dead ends: 532 [2020-10-06 01:14:37,751 INFO L226 Difference]: Without dead ends: 268 [2020-10-06 01:14:37,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:14:37,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-10-06 01:14:37,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2020-10-06 01:14:37,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-10-06 01:14:37,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 736 transitions. [2020-10-06 01:14:37,760 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 736 transitions. Word has length 17 [2020-10-06 01:14:37,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:14:37,760 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 736 transitions. [2020-10-06 01:14:37,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 01:14:37,761 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 736 transitions. [2020-10-06 01:14:37,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-06 01:14:37,762 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:14:37,762 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:14:37,762 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-06 01:14:37,762 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:14:37,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:14:37,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1205538291, now seen corresponding path program 1 times [2020-10-06 01:14:37,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:14:37,764 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618824929] [2020-10-06 01:14:37,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:14:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:14:38,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:14:38,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618824929] [2020-10-06 01:14:38,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:14:38,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-06 01:14:38,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [261035940] [2020-10-06 01:14:38,211 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:14:38,214 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:14:38,224 INFO L258 McrAutomatonBuilder]: Finished intersection with 49 states and 78 transitions. [2020-10-06 01:14:38,224 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:14:38,245 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-06 01:14:38,254 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:38,255 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:38,256 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:38,268 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:38,269 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:38,276 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-06 01:14:38,282 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-06 01:14:38,283 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:38,289 INFO L603 QuantifierPusher]: Distributing 4 disjuncts over 2 conjuncts [2020-10-06 01:14:38,289 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-06 01:14:38,290 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-06 01:14:38,339 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-06 01:14:38,344 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:38,345 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:38,348 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:38,352 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:38,353 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:38,360 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-06 01:14:38,361 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 01:14:38,367 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-06 01:14:38,372 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-06 01:14:38,373 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-06 01:14:38,410 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-06 01:14:38,414 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:38,415 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:38,416 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:38,421 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:38,423 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:38,429 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-06 01:14:38,429 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 01:14:38,434 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-06 01:14:38,439 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-06 01:14:38,467 INFO L603 QuantifierPusher]: Distributing 9 disjuncts over 3 conjuncts [2020-10-06 01:14:38,493 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 01:14:38,501 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-06 01:14:38,505 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:38,516 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:38,521 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:38,532 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 01:14:38,532 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 01:14:38,539 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-06 01:14:38,547 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-06 01:14:38,582 INFO L603 QuantifierPusher]: Distributing 9 disjuncts over 3 conjuncts [2020-10-06 01:14:38,597 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 01:14:38,604 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 01:14:38,610 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-06 01:14:38,616 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:38,620 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:38,631 INFO L603 QuantifierPusher]: Distributing 4 disjuncts over 2 conjuncts [2020-10-06 01:14:38,632 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-06 01:14:38,633 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 01:14:38,634 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-06 01:14:38,668 INFO L603 QuantifierPusher]: Distributing 9 disjuncts over 3 conjuncts [2020-10-06 01:14:38,682 INFO L603 QuantifierPusher]: Distributing 10 disjuncts over 3 conjuncts [2020-10-06 01:14:38,687 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:14:38,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-06 01:14:38,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:14:38,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-06 01:14:38,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-06 01:14:38,688 INFO L87 Difference]: Start difference. First operand 268 states and 736 transitions. Second operand 8 states. [2020-10-06 01:14:38,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:14:38,892 INFO L93 Difference]: Finished difference Result 335 states and 879 transitions. [2020-10-06 01:14:38,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 01:14:38,897 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-10-06 01:14:38,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:14:38,900 INFO L225 Difference]: With dead ends: 335 [2020-10-06 01:14:38,900 INFO L226 Difference]: Without dead ends: 335 [2020-10-06 01:14:38,900 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 10 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2020-10-06 01:14:38,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2020-10-06 01:14:38,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2020-10-06 01:14:38,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-10-06 01:14:38,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 879 transitions. [2020-10-06 01:14:38,911 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 879 transitions. Word has length 18 [2020-10-06 01:14:38,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:14:38,912 INFO L479 AbstractCegarLoop]: Abstraction has 335 states and 879 transitions. [2020-10-06 01:14:38,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-06 01:14:38,912 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 879 transitions. [2020-10-06 01:14:38,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-06 01:14:38,913 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:14:38,913 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:14:38,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-06 01:14:38,914 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:14:38,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:14:38,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1282918547, now seen corresponding path program 1 times [2020-10-06 01:14:38,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:14:38,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558970235] [2020-10-06 01:14:38,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:14:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:14:39,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:14:39,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558970235] [2020-10-06 01:14:39,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:14:39,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:14:39,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [468635576] [2020-10-06 01:14:39,034 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:14:39,037 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:14:39,048 INFO L258 McrAutomatonBuilder]: Finished intersection with 45 states and 69 transitions. [2020-10-06 01:14:39,048 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:14:39,058 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:39,068 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:39,082 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:39,097 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:39,113 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:39,135 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:39,161 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:14:39,168 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:14:39,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 01:14:39,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:14:39,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 01:14:39,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:14:39,169 INFO L87 Difference]: Start difference. First operand 335 states and 879 transitions. Second operand 4 states. [2020-10-06 01:14:39,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:14:39,211 INFO L93 Difference]: Finished difference Result 239 states and 583 transitions. [2020-10-06 01:14:39,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 01:14:39,212 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-10-06 01:14:39,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:14:39,212 INFO L225 Difference]: With dead ends: 239 [2020-10-06 01:14:39,213 INFO L226 Difference]: Without dead ends: 0 [2020-10-06 01:14:39,213 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:14:39,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-06 01:14:39,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-06 01:14:39,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-06 01:14:39,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-06 01:14:39,214 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2020-10-06 01:14:39,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:14:39,215 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-06 01:14:39,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 01:14:39,215 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-06 01:14:39,215 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-06 01:14:39,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-06 01:14:39,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 01:14:39 BasicIcfg [2020-10-06 01:14:39,220 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 01:14:39,226 INFO L168 Benchmark]: Toolchain (without parser) took 13739.72 ms. Allocated memory was 144.7 MB in the beginning and 378.0 MB in the end (delta: 233.3 MB). Free memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: -33.6 MB). Peak memory consumption was 199.7 MB. Max. memory is 7.1 GB. [2020-10-06 01:14:39,226 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 144.7 MB. Free memory was 121.3 MB in the beginning and 120.8 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-06 01:14:39,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 774.00 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 100.3 MB in the beginning and 156.1 MB in the end (delta: -55.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2020-10-06 01:14:39,228 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.26 ms. Allocated memory is still 203.4 MB. Free memory was 156.1 MB in the beginning and 153.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-06 01:14:39,233 INFO L168 Benchmark]: Boogie Preprocessor took 59.89 ms. Allocated memory is still 203.4 MB. Free memory was 153.3 MB in the beginning and 151.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-06 01:14:39,234 INFO L168 Benchmark]: RCFGBuilder took 2034.18 ms. Allocated memory was 203.4 MB in the beginning and 249.0 MB in the end (delta: 45.6 MB). Free memory was 151.3 MB in the beginning and 193.7 MB in the end (delta: -42.4 MB). Peak memory consumption was 104.2 MB. Max. memory is 7.1 GB. [2020-10-06 01:14:39,241 INFO L168 Benchmark]: TraceAbstraction took 10802.37 ms. Allocated memory was 249.0 MB in the beginning and 378.0 MB in the end (delta: 129.0 MB). Free memory was 193.7 MB in the beginning and 134.2 MB in the end (delta: 59.5 MB). Peak memory consumption was 188.5 MB. Max. memory is 7.1 GB. [2020-10-06 01:14:39,250 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 144.7 MB. Free memory was 121.3 MB in the beginning and 120.8 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 774.00 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 100.3 MB in the beginning and 156.1 MB in the end (delta: -55.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 64.26 ms. Allocated memory is still 203.4 MB. Free memory was 156.1 MB in the beginning and 153.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.89 ms. Allocated memory is still 203.4 MB. Free memory was 153.3 MB in the beginning and 151.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2034.18 ms. Allocated memory was 203.4 MB in the beginning and 249.0 MB in the end (delta: 45.6 MB). Free memory was 151.3 MB in the beginning and 193.7 MB in the end (delta: -42.4 MB). Peak memory consumption was 104.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10802.37 ms. Allocated memory was 249.0 MB in the beginning and 378.0 MB in the end (delta: 129.0 MB). Free memory was 193.7 MB in the beginning and 134.2 MB in the end (delta: 59.5 MB). Peak memory consumption was 188.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 7.0s, 139 ProgramPointsBefore, 42 ProgramPointsAfterwards, 128 TransitionsBefore, 29 TransitionsAfterwards, 2156 CoEnabledTransitionPairs, 8 FixpointIterations, 57 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 1159 VarBasedMoverChecksPositive, 36 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 5053 CheckedPairsTotal, 111 TotalNumberOfCompositions - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 127 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.6s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.2s, HoareTripleCheckerStatistics: 184 SDtfs, 151 SDslu, 243 SDs, 0 SdLazy, 146 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 154 SyntacticMatches, 10 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1770occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 14439 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...